# Keiser M Series

> Collects and analyzes training data from Keiser M Series Intelligent equipment. (iPhone/iPad app by Keiser Corp..)

- Source: https://appshunter.io/ios/app/keiser-m-series/id1094598975 (this page in markdown: same URL + `.md`)
- Developer: [Keiser Corp.](https://appshunter.io/developer/1094598974)
- Category: Health & Fitness
- Price: Free
- Rating: 4.30/5 from 2,809 App Store ratings · 254 written reviews indexed
- Age rating: 12+
- Requires: iOS 13.0 · 77 MB
- Languages: American English
- Released: 2016-07-08
- Data updated: 2026-08-27
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/keiser-m-series/id1094598975/reviews.md

## What is Keiser M Series?

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.

## Key features

- Real-time training graphs
- Power, cadence, FTP zones
- Free ride mode
- FTP test functionality
- Guided workout sessions
- Workout data syncing

## What do users think of Keiser M Series?

Overall sentiment: negative

**Pros**

- 🚀 Quick connection to equipment
- 👍 Easy to use
- 👍 Useful guided sessions
- 👍 Integrates with Strava

**Cons**

- 🐛 Disconnects quickly
- 🐛 Inaccurate distance and power data
- 🐛 Loses connectivity when switching apps
- 🐛 Unreliable data recording
- 🐛 Difficult to use in group settings
- 🐛 Buggy and glitchy

**Commonly reported bugs**

- App frequently logs users out
- Inconsistent data recording and syncing
- Compatibility issues with newer devices and iOS versions
- Inability to save user profiles and settings

**Most requested features**

- Integration with Apple Watch for heart rate data
- Background app functionality
- More customizable workout options
- Better data visualization and progress tracking
- Improved Strava and other app integrations

## Recent user reviews (10 of 254)

All indexed reviews: https://appshunter.io/ios/app/keiser-m-series/id1094598975/reviews.md

### 4/5 — Good but could use improvement

*2026-08-17, version 4.5.4*

The only things I don’t like about the app are that it doesn’t work in the background and there is no way that I have found to control what statistics are displayed 

If the app is put in the background so for example you can modify the song playing on your music app, it stops working. I don’t know if this is a IOS issue or what and it is no big deal.

The fact that I can’t control what statistics get displayed such as FTP percentage and the fact that the displayed statistics seem to change at random is annoying. Another issue is that the same statistics are displayed on all three screens instead of taking advantage of the multiple screens to display all of the available data that is tracked by the app

### 2/5 — Sync to Strava

*2026-07-21, version 4.5.4*

Have used this app for a number of years with my M3i spin bike.  Recently it has stoped syncing with Strava and even having raised this with Keiser and Strava the issue still exits.  Their responses are very vague and don’t appear to know what the problem is. Very disappointing.

### 1/5 — Strava pairing

*2026-07-17, version 4.5.4*

The Strava pairing is dropping again in every session. I link it up, it shows a green tick, but after the workout it doesn’t upload to Strava and the link now has a red cross. Having to upload manually 6-7 times a week is tiresome. I’d use another app but you don’t have open BLE

### 1/5 — Doesn’t work

*2026-07-17, version 4.5.4*

Waiting on Keiser to resolve my ticket… waiting!!!

### 2/5 — Unfortunately

*2026-07-08, version 4.5.4*

Sadly they updated the app and it sticks constantly not reflecting the actual speed or watts. It also drops Strava all the time now. Bad update they should revert.

### 1/5 — Doesn’t work

*2026-07-04, version 4.5.4*

Will not let you register. Just spins

### 1/5 — Please fix the updates to Strava…

*2026-04-25, version 4.5.3*

I’ve been using the app for a few years and I’ve never had as many issues as I have had since the last update. It won’t upload anything for me anymore to Strava. Please fix this, or at least allow for a way to manually upload to Strava 🙏🏼

### 1/5 — Fix the bugs

*2026-04-21, version 4.5.3*

EDIT: now it won’t allow me to connect to Strava, despite taking me to its website to give permission for Keiser to access. What’s the point of taking the app offline just to create more bugs? Go back several steps to the version we’ve been using for a decade and worked perfectly well until recent attempts to “improve” it.

Bluetooth has not been improved, it now disconnects every 5mins or so before reconnecting again. Also, it’s now no longer automatically uploading to Strava. 

Please revert to previous version until you fix the bugs introduced in this update.

### 3/5 — Won’t stay connected

*2026-04-08, version 4.5.2*

If I temporarily view another app while riding the Keizer bike and come back to this MSeries app, the app is disconnected from the bike, asks to reconnect, and all the exercise data from the time period when I was viewing another app is lost.  Thus all my history data is incomplete and unusable.

### 2/5 — I spoke too soon, still disconnects

*2026-03-29, version 4.5.2*

Unfortunately during today’s 45 workout the app disconnected 7 times.
It’s also still laggy to pick up changes of gear or pace.
None of this was an issue before the updates started!

## Frequently asked questions about Keiser M Series

### What does the Keiser M Series app do?

The app collects data from Keiser M Series Intelligent equipment, providing real-time training metrics such as power, cadence, and FTP zones. It allows users to engage in free rides, perform FTP tests, or follow guided workout sessions.

### What are the key features of the Keiser M Series app?

Key features include real-time graphs for power and cadence, FTP zone analysis, guided sessions designed by master trainers, and the ability to sync workout data to the Keiser Metrics cloud. It also supports connections to platforms like Apple Health, Strava, and TrainingPeaks.

### Is the Keiser M Series app free to use?

Based on the provided information, the app is available for free. There are no mentions of subscription fees or in-app purchases for core functionality.

### What kind of training modes does the app offer?

The app supports multiple training modes, including a 'free ride' option for unguided workouts, an 'FTP test' to assess your functional threshold power, and 'guided sessions' developed by Keiser Master Trainers.

### How can I analyze my workout data after training?

You can sign in with your Keiser Metrics account to sync your workout sessions to the Keiser Metrics cloud. This platform offers advanced analysis and review capabilities. Additionally, you can connect Keiser Metrics to other cloud platforms for automatic session syncing.

## Version history (last 5 releases)

### 4.5.4 — 2026-06-18

Bug fixes
• Fixes Keiser Studio bike BLE connection

### 4.5.3 — 2026-04-15

• Bug fixes and behind-the-scenes improvements

### 4.5.2 — 2026-03-24

- Fixed an issue where Bluetooth connections to radio bikes could drop during
  workouts on both iOS and Android
- Improved Bluetooth scanning reliability for more stable bike connectivity
- Minor stability improvements

### 4.5.1 — 2026-03-20

What's New
  - Improved app performance by optimizing internal logging so less work
  is done during normal use
  - Fixed a connection reliability issue where session keep-alive
  requests could be dropped
  - General stability improvements

### 4.5.0 — 2026-03-14

Firmware Updates Over Bluetooth
  Update your M-Series bike firmware directly from the app — no extra
  tools needed.

Redesigned Workout Gauges
  New power zone gauge with 7-zone display, upcoming zone previews, and
  animated transitions during guided sessions.

Studio 72 Bike Support
  Full compatibility with 72-gear Studio bikes.

Improved Bluetooth Connectivity
  Faster, more reliable bike discovery and connection on both iOS and
  Android.

Maintenance Notifications
  The app now displays a banner when scheduled server maintenance is
  underway.

Bug Fixes & Performance
  General stability improvements, better error handling, and UI
  refinements throughout the app.

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## More apps by Keiser Corp.

- [Keiser M Series Instructor](https://appshunter.io/ios/app/keiser-m-series-instructor/id1262638882)
- [Keiser M Series Group](https://appshunter.io/ios/app/keiser-m-series-group/id1376068878)
- [Keiser Converter Updater](https://appshunter.io/ios/app/keiser-converter-updater/id1471178615)
- [The Ride – Indoor Cycling](https://appshunter.io/ios/app/the-ride-indoor-cycling/id1528110816)
- [Keiser Manager](https://appshunter.io/ios/app/keiser-manager/id6483933680)

All apps by Keiser Corp.: https://appshunter.io/developer/1094598974

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*