Published by Xingchen & Rikka

Report an issue with YASNAC.
Send the customer service your feedback so they can fix your issue asap.



Email Support directly


Why should I report an Issue with YASNAC - SafetyNet Checker?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Xingchen & Rikka to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
contact YASNAC - SafetyNet Checker image 1 contact YASNAC - SafetyNet Checker image 2

About YASNAC - SafetyNet Checker

1. YASNAC (short for Yet Another SafetyNet Attestation Checker) is an Android app that demonstrates SafetyNet Attestation API.

2. If the quota is exhausted, you will see an error and you will not be able to use it until the quota is restored the next day.

3. The API key used by YASNAC has a quota of 10,000 times per day.

4. YASNAC is written with Jetpack Compose.

5. You can find the source code at GitHub (RikkaW/YASNAC).

YASNAC Customer Insights

1. So I'm rooted With magisk V24 and Zygisk and I have to say this has been the best safetynet checker by FAR no ads (although I do still use AdAway but meh 😑) lightweight and digestible for your phone so it doesn't hammer your storage space and very high quality an intuitive awesome app! It does what it says it does and it does it well! On a scale of 1 - 10 it would score this app is made by a perfect person.

2. Thanks!Does exactly what it claims to do! It would be awesome if the app also added the ability to query the new Play Integrity API as well, since that's the new test that switches off GPay and other apps that used to rely on safetynet.Beautiful app.

3. Thanks for making a quick, simple tool.Does what it is supposed to do, without any problems.

4. Simple and yet elegant.This app is so underrated, it does what it says.

5. Cheers!! 🥂Does exactly what it's supposed to do and does it FREE OF ANY ADS!! Love it.

6. This is a good pair with the inware app.Free. Does it's purpose perfectly.

7. quality app! And it's just perfect so the devs great work!All you need to run a SafetyNet check.

8. Matches your Android theme as should all simple apps these days (not enough bother to do so).

9. Weighs nothing, looks great, does its job well, no ads.

10. Make it simple to use, ad-free, and follow system theme.

11. Clean UI and Material You theming act like a cherry on top.Straight to the point and get the results in one single push.

Steps to Troubleshoot & Fix YASNAC Issues

1. Fix YASNAC Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart YASNAC: Restarting the app will resolve most errors.
  2. Update the YASNAC App. Here is how:
    1. On Android goto PlayStore » Search for "YASNAC" » Open YASNAC - SafetyNet Checker » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for YASNAC » click "UPDATE".
  3. Clear YASNAC - SafetyNet Checker app cache: Clearing cached data will force your app to retrieve the latest data directly from YASNAC servers.
    1. On Android, goto Settings » Apps » Select "YASNAC - SafetyNet Checker" » click Storage » click "Clear Cache".
  4. Check YASNAC app permissions. If any of these permissions required to use your device's features are disenabled, YASNAC might not work.
  5. Uninstall and reinstall YASNAC. If nothing else has worked, completely uninstall YASNAC then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing YASNAC not working


2. Fix YASNAC Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make YASNAC be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to YASNAC not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, YASNAC may not be able to connect to the Internet when running in the background.

Reported Issues

More from the developer