Anonymous call is an android app which you can call any numbers around the world without revealing your real number. When you call someone, they will receive your call as private number or any four or five digits numbers and we have integrated credit system so users can earn credits by watching rewardvideo or buy credits through android in-app billing and upi payment. Users can use this credits to call. Also we integrated firebase database for managing your users and sending push notifications. If you are a programmer, you can add more features in the app and this app is very responsive Features Login & Signup Login With Phone Number Referral system Admob Native Ads Admob Rewarded video In-App Purchase (Google Play Billing) UPI Payment Integration (For Indian Users) Call Any Number Around The World Set Call Rates For Each Country Hide Your Privacy Call Using Private Number Sinch Sdk Integrated Credit System Many More…. Demo Download Apk Test call number : +46000000000 Help & Troubleshoot How to set-up in-app billing & upi payment To setup Google Play billing , you need to have google play developer account and import our project in android studio and change app name , package name, ect and create signed apk. When you create signed apk, you can ready to publish. Just upload the app in google play console and head over to in app purchase tab. Here you can create managed products , and take note of your public key , merchant key and product id. Finally you need to put these ids in Variable.java in your android project. That’s all. To adding UPI payment, just open Variable.java in your android studio project and replace upi name and I’d with your own ids. Full documentation included in the project bundle. Thanks Buying This You Will Get Android studio project Full Documentation Version 2.3 – 10 May 2023 Billing sdk updated to the latest version Fixed deprecated & outdated codes Updated other dependencies to latest version Version 2.2 – 5 October 2020 Added referral system Google play billing bug fixed Version 2.1 – 2 April 2020 Dialpad button fixed OTP Not receiving (Fixed) problem with signed apk (Fixed) New progress dialog App crash if upi app not installed (Fixed) Added GDPR Added auto focus on OTP input page Updated documentation Few more bugs fixed Version 2.0 – 30 March 2020 Added phone authentication set call rates for each country Search option for contacts Updated new ui design Fixed some bugs Version 1.0 – 18 March 2020 Initial release