April Buff

April Buff is an AR-based vocabulary study and quiz APP.

CHUNGDAHM Learning, Inc. · com.chungdahm.aprilbuffar

Not rated yet 50K+ downloads v1.9.35 70.2 MB Android 6.0+ PEGI 3 · Everyone

Download APK 70.2 MB All versions

Same certificate as the other version checked Details

At a glance

Latest version: v1.9.35 (77)
Updated: Mar 14, 2025 (1 year ago)
APK size: 70.2 MB
Requires: Android 6.0+ (API 23)
CPU support: ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Education (app)
Listed since: Jun 12, 2021 (at least)
Permissions: 6 (4 sensitive)
Website: chungdahm.com
Developer contact: [email protected]

About this APK

April Buff is an app by CHUNGDAHM Learning, Inc. in the Education category, listed since at least June 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 6 permissions, 4 of them sensitive, including camera, read phone status and identity and read shared storage. It asks for the same permissions as version 1.9.34.

What's new in v1.9.35

This update includes bug fixes and stability improvements.

Description

From the listing uploaded by “appupdater”.

April Buff is an AR-based vocabulary study and quiz APP for elementary school students using April English curriculum. - Use augmented reality(AR) technology to study vocabulary and take quizzes through fun games - Prepare for April English weekly and monthly tests by solving questions and studying key words again - Collect words and chunks cards from playing games and study them again from the Card Box - Check your national ranking after completing each game - You must have April Gallery Book to use the April Buff app. 1. Slime Time (Rookie/Seedbed/Seed) : Make your own slime by mixing the ingredients! 2. Dungeon Escape (Sprout) : Complete the mission and escape the underground dungeon! 3. Drone High (Sapling/Junior Master) : Charge the drone and fly it high up! ※ Main features of April Buff - Start the game by scanning the textbook. - Play vocab word games using the AR camera. - Collect words and chunks from playing the games. - Check your national ranking for each level - Linked to the Learning Portal - Change language setting ▶ Access Permissions Please note that access permissions are needed to use the app. Optional permissions required when using functions, however the app can be used without access. [Required Access Permissions] - Device and app history: Accessed to check app version -Camera: Access for augmented reality effects [Optional Access Permissions] - Images/Media/Files: Accessed to save and load image and video content * Permissions in device settings > App information > App permissions > Permissions can be adjusted

Version history

2 versions are listed, going back to v1.9.34.

v1.9.35 LATEST Mar 14, 2025 70.2 MB TRUSTED v1.9.34 Mar 12, 2025 70.3 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “chungdahm” The developer's name — though anyone can put any name in a certificate.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Mar 14, 2025
Signed byO=chungdahm
Signing certificate (SHA-1)8D:79:F5:9E:94:C0:A8:B4:56:6C:E2:2A:30:BA:A4:DD:02:C0:25:E9
File MD5e656fbb59d4ca53154c639b1d48c79fd
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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (6)

April Buff requests 6 permissions, 4 of them sensitive.

Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Full network access android.permission.INTERNET
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Camera android.hardware.camera
Portrait screen android.hardware.screen.portrait

April Buff APK: questions and answers

How much space does April Buff need?

The APK is 70.2 MB, and the app also needs 135 MB of extra data (OBB files). Leave about 275.4 MB free for the installation.

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the April Buff APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is e656fbb59d4ca53154c639b1d48c79fd.