Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.
BlockerX isn't just a pornblocker app. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.
Features:
PORN BLOCKER
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.
ACCOUNTABILITY PARTNER
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.
COMMUNITY
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.
WEBSITE BLOCKER
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.
CURATED CONTENT
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.
PANIC SWITCH
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.
UNINSTALL & VPN NOTIFICATION
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.
DAILY REPORTS
Stay transparent with daily reports sent to your accountability partner about your browsing activity. To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.
SUBSCRIPTION INFORMATION
Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.
BlockerX isn't just a pornblocker app. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.
Features:
PORN BLOCKER
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.
ACCOUNTABILITY PARTNER
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.
COMMUNITY
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.
WEBSITE BLOCKER
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.
CURATED CONTENT
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.
PANIC SWITCH
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.
UNINSTALL & VPN NOTIFICATION
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.
DAILY REPORTS
Stay transparent with daily reports sent to your accountability partner about your browsing activity. To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.
SUBSCRIPTION INFORMATION
Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

BlockerX lets you browse the web safely in safari, chrome by blocking Ads, porn sites, gambling sites, social media sites & gaming sites present over internet.


BlockerX help you to stay focussed and not let you distract to look for porn and unwanted websites. Its great tool to protect you from all kinds of distractions.


Features:

PORN BLOCKER: There are so many websites that have adult content in them, which makes it much easier for you to come across. But BlockerX will block them altogether.

We have built up a database that has over 2 million different adult websites. Try to open up any of them, and they’re going to be blocked in a blink.


ACCOUNTABILITY PARTNER: Quitting an addiction could be difficult to do alone. To help with this, you can add a buddy who can help you on this journey. Once you add an accountability partner, he/she can help and keep you accountable to your goals.

COMMUNITY: BlockerX has an active community of people who share a similar behaviour. You can talk to such peers to get support and encouragement on your journey. This also helps you stay motivated and share each other's experiences.

WEBSITE BLOCKER: This functionality provides you access to block specific websites on your iPhone. You can enter the domain name of the website to be blocked, and it will be automatically blocked in your phone.

CURATED CONTENT: Do you want to know more about porn addiction and how to overcome it?

Don’t worry, we have experts who write about such topics like: How to deal with urges, what is the meaning of Fapless challenge, what is No PMO etc. This section not only provides knowledge on the addiction, but also provides practical tips that help on a day-to-day basis.

PANIC SWITCH: Dealing with urges to watch adult content is very hard. Also, will power be always reliable. This is where the panic switch can help. Once you enable the panic switch, all internet on your device will be blocked for a few minutes (you can choose the duration).

UNINSTALL NOTIFICATION: It helps you in avoiding relapses. Whenever you uninstall the BlockerX from your device, we send a notification to your accountability partner stating that you have uninstalled the BlockerX app.

DAILY REPORT: We send daily reports to your accountability partner. It helps your accountability partner to have track about internet browsing activity.

VPN NOTIFICATION: Whenever you turn off the VPN we send a notification to your accountability partner stating that you have turned off the vpn. It’s an extra layer of protection for you to keep yourself away from adult content.

Device Permissions from You: To have BlockerX block all kinds of pornography on your iPhone, you’ll need to give the app permission to set up an VPN profile.

SUBSCRIPTION INFORMATION

Consider BlockerX PREMIUM and enjoy full access to all features and content. If you choose a BlockerX PREMIUM subscription, payment will be charged to iTunes Account at confirmation of purchase.

The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before the current period ends. From iTunes Account settings you can manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed.

Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

BlockerX is the #1 app to overcome your porn problems. It not only blocks adult content and distractive websites, but also provides an end to end solution to overcome compulsive porn usage.

With a science based approach, streak tracking, a strong community and a many other useful tools (like porn addiction quiz, recovery handbook, daily journaling and many more), BlockerX has everything to prepare you for a successfully rewire your brain from porn.

*WHY MILLIONS OF USERS CHOOSE BLOCKERX*

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly. The blocking algorithm is AI powered, ensuring that the blocking functionality gets better and accurate over time

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

TRACK YOUR PROGRESS:
You can track the number of days you've been off porn with our streak tracker. This helps to keep progressing everyday and measure your progress in a quantifiable way. There is also a leaderboard to encourage users to extend their streak scores and stay off porn as much as possible.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together. The community boasts of over 200,000 active members.

WEBSITE BLOCKER:
You can also lock specific websites with the website blocker function. Simply input the domain, and our website e blocker will take care of the rest. This can be used to block distractive websites from e-commerce to social media.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like porn addiction, screen time problems, no fap etc.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain steady on your no fap journey.

DAILY REPORTS:
Stay accountable to your goals with daily reports sent to your accountability partner about your browsing activity.
To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:
Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.

Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

BlockerX is the #1 app to overcome your porn problems. It not only blocks adult content and distractive websites, but also provides an end to end solution to overcome compulsive porn usage.

With a science based approach, streak tracking, a strong community and a many other useful tools (like porn addiction quiz, recovery handbook, daily journaling and many more), BlockerX has everything to prepare you for a successfully rewire your brain from porn.

*WHY MILLIONS OF USERS CHOOSE BLOCKERX*

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly. The blocking algorithm is AI powered, ensuring that the blocking functionality gets better and accurate over time

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

TRACK YOUR PROGRESS:
You can track the number of days you've been off porn with our streak tracker. This helps to keep progressing everyday and measure your progress in a quantifiable way. There is also a leaderboard to encourage users to extend their streak scores and stay off porn as much as possible.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together. The community boasts of over 200,000 active members.

WEBSITE BLOCKER:
You can also lock specific websites with the website blocker function. Simply input the domain, and our website e blocker will take care of the rest. This can be used to block distractive websites from e-commerce to social media.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like porn addiction, screen time problems, no fap etc.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain steady on your no fap journey.

DAILY REPORTS:
Stay accountable to your goals with daily reports sent to your accountability partner about your browsing activity.
To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:
Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.

Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX - Porn Blocker, dive into your journey of freedom from adult content and ensure a safe search experience. BlockerX is more than just another website blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.
BlockerX is a shield against the vast sea of sites that are vying for your attention. From ads to gambling to social media, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.
Features:
PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly. The blocking algorithm is AI powered, ensuring that the blocking functionality gets better and accurate over time
ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.
COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together. The community boasts of over 200,000 active members.
WEBSITE BLOCKER:
You can also lock specific websites with the website blocker function. Simply input the domain, and our website e blocker will take care of the rest. This can be used to block distractive websites from e-commerce to social media.
CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like porn addiction, screen time problems, no fap etc.
PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.
UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain steady on your no fap journey.
DAILY REPORTS:
Stay accountable to your goals with daily reports sent to your accountability partner about your browsing activity.
To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.
SUBSCRIPTION INFORMATION:
Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/
Privacy Policy - https://blockerx.net/our-privacy-policy/
We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.

BlockerX isn't just a pornblocker. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.

Features:

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.

WEBSITE BLOCKER:
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.

DAILY REPORTS:
Stay transparent with daily reports sent to your accountability partner about your browsing activity.

To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:

Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/

Privacy Policy - https://blockerx.net/our-privacy-policy/

We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.

BlockerX isn't just a pornblocker. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.

Features:

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.

WEBSITE BLOCKER:
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.

DAILY REPORTS:
Stay transparent with daily reports sent to your accountability partner about your browsing activity.

To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:

Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/

Privacy Policy - https://blockerx.net/our-privacy-policy/

We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.

BlockerX isn't just a pornblocker. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.

Features:

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.

WEBSITE BLOCKER:
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.

DAILY REPORTS:
Stay transparent with daily reports sent to your accountability partner about your browsing activity.

To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:

Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/

Privacy Policy - https://blockerx.net/our-privacy-policy/

We love your feedback. Contact support@blockerx.org

Are distractions constantly pulling you away from productive tasks? With BlockerX, dive into your journey of freedom from adult content and ensure a safe search experience. This is more than just another internet blocker. We've designed a holistic solution to help you go cold turkey from unwanted distractions.

BlockerX isn't just a pornblocker. It's a shield against the vast sea of sites that are vying for your attention. From ads to gambling, from social media to games, we've got you covered. Dive into a clean browsing experience in both Safari and Chrome, and never worry about stumbling upon adult content again.

Features:

PORN BLOCKER:
Tired of accidentally stumbling upon adult sites? Our porn blocker functionality ensures that you never have to. With a database of over 2 million adult sites, BlockerX guarantees your safety. Try accessing them, and our site blocker will intervene instantly.

ACCOUNTABILITY PARTNER:
Breaking free from addictions and habits is tough. That's why BlockerX offers the opportunity to connect with an accountability partner. With their help, you'll stay on track, reinforcing your no fap commitments.

COMMUNITY:
Become a part of the BlockerX community, a group that shares your goals. Engage in meaningful discussions, share experiences, and stay motivated together.

WEBSITE BLOCKER:
Not just a pornblocker, BlockerX allows you to block specific websites on your iPhone. Simply input the domain, and our internet blocker will take care of the rest.

CURATED CONTENT:
Dive deep into understanding porn addiction and ways to overcome it. Our expert-written articles touch upon topics like the meaning of the Fapless challenge, No PMO, and more.

PANIC SWITCH:
Urges can be overpowering. In those weak moments, enable the panic switch, and BlockerX will block all internet access for a duration you set.

UNINSTALL & VPN NOTIFICATION:
Relapse prevention is key. If you attempt to uninstall BlockerX or turn off the VPN, we'll notify your accountability partner. It's one more step to ensure you remain on your no fap journey.

DAILY REPORTS:
Stay transparent with daily reports sent to your accountability partner about your browsing activity.

To maximize BlockerX's capabilities, allow the app permission to set up a VPN profile. This ensures you can utilize all the porn blocker and site blocker features seamlessly.

SUBSCRIPTION INFORMATION:

Upgrade to BlockerX PREMIUM for unrestricted access to every feature. Charges apply via the iTunes Account, with options to manage and cancel subscriptions in iTunes settings.
Terms of Use - https://blockerx.net/terms-of-usage/

Privacy Policy - https://blockerx.net/our-privacy-policy/

We love your feedback. Contact support@blockerx.org