Why can't I install Ref21?

The installation of Ref21 may fail because of the lack of device storage, poor network connection, or the compatibility of your Android device. Therefore, please check the minimum requirements first to make sure Ref21 is compatible with your phone.

How to check if Ref21 is safe to download?

Ref21 is safe to download on APKPure, as it has a trusted and verified digital signature from its developer.

How to download Ref21 old versions?

APKPure provides the latest version and all the older versions of Ref21. You can download any version you want from here: All Versions of Ref21

What's the file size of Ref21?

Ref21 takes up around 40.9 MB of storage. It's recommended to download APKPure App to install Ref21 successfully on your mobile device with faster speed.

Ref21

1K+Everyone

IT4God
Feb 22, 2026

Trusted App

What's New in the Latest Version 1.0

Feb 22, 2026

First Release
Bug Fixes : Continue Video Timeline, Continue Video Cover
Revision : No Password in Registration ( Just use OTP )
SDK 36
VIdeo Player Updated

APK Info

Package Name
id.stemi.ref21
File Format
XAPK
Android OS
Android 7.0+ (N, API 24)
Architecture
armeabi-v7a
Content Rating
Everyone
Signature
b00b2c6e21176fd13e8ad3944b9aade56c052bdb
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id.stemi.ref21
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