Rhythm SYNC

Connect to Scosche Rhythm+ and Rhythm 24 heart rate monitors.

Scosche · com.npe_inc.scosche.rhythmsync

Not rated yet 10K+ downloads v1.37 22.5 MB Android 8.0+ PEGI 3 · Everyone

Download APK 22.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.37 (137)
Updated: Apr 11, 2026 (6 months ago)
APK size: 22.5 MB
Requires: Android 8.0+ (API 26)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Health & Fitness (app)
Listed since: Mar 27, 2021 (at least)
Permissions: 7 (2 sensitive)
Website: scosche.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Rhythm SYNC is an app by Scosche in the Health & Fitness category, listed since at least March 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.

It asks for 7 permissions, 2 of them sensitive: Bluetooth connect and Bluetooth scan. It asks for the same permissions as version 1.35.

What's new in v1.37

Fixed firmware update issues for R2.0 devices.

Description

From the listing uploaded by “appupdater”.

The award-winning Rhythm Heart Rate Monitors use patented technology to capture exceptionally accurate performance in both wet and dry conditions. This Scosche Rhythm Sync app: · Connects to Rhythm 24 and Rhythm+ Heart Rate Monitors · Manages Rhythm 24 activity modes and biometrics functionality: Heart Rate Only, Running, Cycling, Swimming, Heart Rate Variability, Duathlon, and Triathlon · Displays heart rate data from your Rhythm Monitors · Displays Rhythm battery level · Configures sharing with compatible heart rate tracking apps, fitness watches, bike computers, and fitness equipment, to stream your fitness-data in real time, track heart rate history, and more! · Collects Rhythm 24 recorded activities and has download capabilities · Allows for Rhythm Heart Rate Monitor firmware updates

Version history

3 versions are listed, going back to v1.31.

v1.37 LATEST Apr 11, 2026 22.5 MB TRUSTED v1.35 Jan 17, 2026 22.3 MB TRUSTED v1.31 Nov 23, 2025 25.8 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Apr 11, 2026.
Certificate issued to “NPE Inc.” 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 Apr 11, 2026
Validated against Google Play Apr 11, 2026
Signed byCN=Scott Rondestvedt, OU=Scosche Development, O=NPE Inc., L=Minneapolis, ST=MN, C=US
Signing certificate (SHA-1)D6:8D:22:1B:E9:B4:B3:83:53:15:BC:CF:4D:B6:FB:0D:A2:50:6D:B6
File MD53a4d2a8aad046279d4639cb053b9e078
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 (7)

Rhythm SYNC requests 7 permissions, 2 of them sensitive.

Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Foreground service connected device android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.npe_inc.scosche.rhythmsync.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Bluetooth Low Energy android.hardware.bluetooth_le
Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

Rhythm SYNC APK: questions and answers

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 the Rhythm SYNC 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 3a4d2a8aad046279d4639cb053b9e078.