card2brain flashcards

That’s how to study today.

aliok · ch.openconcept.c2b

Not rated yet 100K+ downloads v608 8.3 MB Android 5.1+ PEGI 3 · Everyone

Download APK 8.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v608 (6080)
Updated: Feb 26, 2026 (7 months ago)
APK size: 8.3 MB
Requires: Android 5.1+ (API 22)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Jul 12, 2021 (at least)
Permissions: 9 (3 sensitive)
Website: card2brain.ch
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

card2brain flashcards is an app by aliok in the Education category, listed since at least July 2021. It has no native code, so it runs on any Android processor.

It asks for 9 permissions, 3 of them sensitive: camera, record audio and modify shared storage. It asks for the same permissions as version 607. The app offers in-app purchases through Google Play.

What's new in v608

Android Update

Description

From the listing uploaded by “appupdater”.

With card2brain, you have free access to millions of existing flashcards, you create flashcards of your own in a browser or on the app and revise with your mobile while you are on the move. With card2brain, you can compile sets of flashcards together with your friends, share them amongst each other, set up learning groups, and comment on or rate the other users’ flashcards. You create and study your flashcards on different devices, on card2brain.ch or offline, whether you are on the train or waiting at the bus stop, at school or at work, so that your flashcards and the learning progress are always up to date no matter where you are. Systematic Learning With card2brain, you review the flashcards systematically according to Sebastian Leitner’s principle of spaced repetition in five compartments. Once all flashcards are in the last compartment, you are ready for the exam. The three types of answers, the picture upload feature, the formula editor, and the possibility to reverse the order of learning make studying in all fields of knowledge easy and fun and in no time, you will become a foreign language professional. Mobile Learning With the card2brain app, you always have your flashcards handy wherever you go and you can study inexpensively offline. Efficient learning units that are automatically synchronised with your web profile shorten your daily travel time and waiting periods. Responsive web design enables you to use card2brain.ch perfectly also in your mobile’s browser. All additional Features for teachers and flashcard fans, entire schools, companies, classes or teams can be found on the web platform http://card2brain.ch/features/index?lang=en

Version history

3 versions are listed, going back to v606.

v608 LATEST Feb 26, 2026 8.3 MB TRUSTED v607 Jan 2, 2025 8.1 MB TRUSTED v606 Oct 1, 2024 8.1 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Feb 26, 2026.
Certificate issued to “openconcept Ltd” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Feb 26, 2026
Validated against Google Play Feb 26, 2026
Signed byCN=card2brain.ch, O=openconcept Ltd
Signing certificate (SHA-1)75:0A:4E:85:BD:38:2B:1C:37:34:AC:97:2A:D9:5B:2C:EA:46:5A:DB
File MD5aa82fb2eae357a8acf6dced425031aca
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

card2brain flashcards requests 9 permissions, 3 of them sensitive.

Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) ch.openconcept.c2b.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone