Rhythm Trainer

Become a Rhythm Master, training for a 15 minutes per day

Demax · ru.demax.rhythmerr

3.0 out of 5 (1 rating) 1M+ downloads v0.2609180811 37.9 MB Android 5.0+ PEGI 3 · Everyone

Download APK 37.9 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v0.2609180811 (2082024971)
Updated: Sep 25, 2026 (13 days ago)
APK size: 37.9 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Education (app)
Listed since: Feb 18, 2021 (at least)
Permissions: 14 (1 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Rhythm Trainer is an app by Demax in the Education category, listed since at least February 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 0.2302051943, the APK grew from 10.9 MB to 37.9 MB and the minimum Android version rose from 4.4 to 5.0. It asks for 14 permissions, 1 of them sensitive: record audio. It asks for the same permissions as version 0.2608311534. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v0.2609180811

Improved latency correction

Description

From the listing uploaded by “appupdater”.

Rhythm Trainer is a series of fun field-tested exercises for mastering your essential rhythmic skills no matter what instrument you play. Practice 15 minutes a day in an individual session. The app will adjust the tempo and rhythms for you. Test your rhythmic skills. Get hang of the metronome beat. Learn to repeat different rhythms. Improve your sight reading skill. It won’t take long to see that the app is much more efficient and exciting compared to conventional exercises along with a metronome. Whether you practice alone or with a teacher, Rhythm Trainer will help you to: • Develop a sense of rhythm. • Sight-read rhythm notation. • Hear mistakes in a rhythm by ear. In the paid version there is no limit of 10 minutes per day, you can use the app as much as you need. Rhythm is the heart of music. Learn the skill once, play rhythmically forever.

Version history

5 versions are listed, going back to v0.2302051943. Since v0.2503021030 it requires Android 5.0+.

v0.2609180811 LATEST Sep 25, 2026 37.9 MB TRUSTED v0.2608311534 Sep 4, 2026 42.7 MB TRUSTED v0.2607241614 Jul 28, 2026 42.7 MB TRUSTED v0.2503021030 Sep 4, 2026 10.6 MB TRUSTED v0.2302051943 May 30, 2024 10.9 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 25, 2026.
Certificate issued to “Dmitry Enikeev” 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 Sep 25, 2026
Validated against Google Play Sep 25, 2026
Signed byCN=Dmitry Enikeev
Signing certificate (SHA-1)44:08:C6:0B:97:31:BF:41:38:38:34:6D:BF:55:44:0F:F3:DB:F9:6B
File MD515097c07f50c22ad28235c043f5c6407
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 (14)

Rhythm Trainer requests 14 permissions, 1 of them sensitive.

Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) ru.demax.rhythmerr.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) ru.demax.rhythmerr.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait

Rhythm Trainer APK: questions and answers

Is there a version of Rhythm Trainer for older Android phones?

The current version needs Android 5.0 or later. Version 0.2302051943 is the newest listed build that installs on Android 4.4 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 0.2302051943 · All versions

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

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Rhythm Trainer free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Rhythm Trainer APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 15097c07f50c22ad28235c043f5c6407.