Keiser M Series

Keiser M Series app for use with Keiser M3i, M3i TBT, and M5i.

Keiser Corporation · com.keiser.mseries.app

Not rated yet 100K+ downloads v4.5.4 106.9 MB Android 7.0+ PEGI 3 · Everyone

Download APK 106.9 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v4.5.4 (4050402)
Updated: Jun 19, 2026 (4 months ago)
APK size: 106.9 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Health & Fitness (app)
Listed since: Apr 12, 2021 (at least)
Permissions: 8 (2 sensitive)
Website: keiser.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Keiser M Series is an app by Keiser Corporation in the Health & Fitness category, listed since at least April 2021. It includes native code for x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 4.3.0, the minimum Android version rose from 5.0 to 7.0. It asks for 8 permissions, 2 of them sensitive: Bluetooth connect and Bluetooth scan. It asks for the same permissions as version 4.5.3.

What's new in v4.5.4

Bug Fixes: • Fixes Keiser Studio bike BLE connection

Description

From the listing uploaded by “appupdater”.

The Keiser M Series app is a powerful tool for collecting data from Keiser M Series Intelligent equipment. Quickly connect to equipment and begin training with real-time graphs for power, cadence range dials, FTP zones, and W/Kg ratios. Choose to free ride, perform an FTP test, or follow one of the guided sessions designed by Keiser Master Trainers. Sign in with your Keiser Metrics account to sync workout sessions with the Keiser Metrics cloud. Keiser Metrics allows advanced analysis and review of workout sessions. Connect Keiser Metrics to other cloud platforms like Apple Health, Strava, and TrainingPeaks for automatic session syncing! For more information about this app or other Keiser products, please visit our website at https://www.keiser.com.

Version history

4 versions are listed, going back to v4.3.0. Since v4.5.2 it requires Android 7.0+.

v4.5.4 LATEST Jun 19, 2026 106.9 MB TRUSTED v4.5.3 Apr 17, 2026 106.9 MB TRUSTED v4.5.2 Mar 25, 2026 106.9 MB TRUSTED v4.3.0 Mar 26, 2026 50.3 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 19, 2026.
Certificate issued to “Keiser Corporation” 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 Jun 19, 2026
Validated against Google Play Jun 19, 2026
Signed byCN=Unknown, OU=Development, O=Keiser Corporation, L=Fresno, ST=California, C=US
Signing certificate (SHA-1)18:D1:C4:F6:61:71:61:B5:CB:BF:91:8D:8C:75:74:AD:06:9F:B8:8C
File MD5a3f4e49bc74fcea3e084e50aa6c53f77
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 (8)

Keiser M Series requests 8 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.keiser.mseries.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Location android.hardware.location

Keiser M Series APK: questions and answers

Is there a version of Keiser M Series for older Android phones?

The current version needs Android 7.0 or later. Version 4.3.0 is the newest listed build that installs on Android 5.0 and later. Get version 4.3.0 · 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 the Keiser M Series 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 a3f4e49bc74fcea3e084e50aa6c53f77.