# Tacx Training™ vs Keiser M Series

The clearest difference is monetization model: Keiser M Series at free against Tacx Training™'s freemium. Keiser M Series also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (13.0 vs 16.0). Tacx Training™'s advantage is review sentiment (42% vs 20%) and rating (4.6 vs 4.3). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tacx Training™ holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Tacx Training™ has 16K ratings behind it against 2.9K, so its average is the more settled of the two. Written reviews point the same way: 42% of Tacx Training™'s written reviews are positive against 20% of Keiser M Series's.

Tacx Training™ ships an update every 3 weeks, Keiser M Series weekly. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Tacx Training™ | Keiser M Series |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16K ratings)](https://appshunter.io/ios/app/tacx-training/id892366151/reviews)** | [4.3 (2.9K ratings)](https://appshunter.io/ios/app/keiser-m-series/id1094598975/reviews) |
| Number of ratings | **16K** | 2.9K |
| Positive reviews | **41.9% of reviews** | 19.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 363 MB | 77 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Garmin](https://appshunter.io/developer/411046952) | [Keiser Corp.](https://appshunter.io/developer/1094598974) |

## What reviewers say

### Tacx Training™

[App page](https://appshunter.io/ios/app/tacx-training/id892366151)

Transform indoor cycling into immersive outdoor experiences. Connect to a smart trainer to simulate real-world terrain and track performance data. Enjoy virtual rides, challenges, and sync with other devices for comprehensive training.

**Highlights:** Simulate real-world climbs and descents, Real-time speed, power, and cadence data, Automatic trainer resistance adjustment, Syncs with Garmin Connect and Coach, Virtual GroupRides and challenges, Access to 500+ video routes (Premium)

**In-app purchases:** none

**What reviewers like**

- 🚀 Great workout software
- 🚀 Excellent video quality and variety
- 🚀 Seamless integration with Garmin
- 👍 Easy to use
- 👍 Realistic riding experience

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 Buggy and unreliable app
- 🐛 Crashes during rides
- 🐛 Data loss and syncing problems
- 🔒 Poor customer support

**Reported bugs**

- Inconsistent power and speed readings
- Inability to resume paused rides
- Connectivity issues with Bluetooth sensors
- Calibration problems with trainers
- Compatibility issues with older devices

**Requested features**

- Ability to download videos for offline use
- More detailed performance analytics
- Integration with other fitness apps (e.g. Apple Health)
- Better customization options for data screens
- Audio cues and prompts during workouts


### Keiser M Series

[App page](https://appshunter.io/ios/app/keiser-m-series/id1094598975)

This app collects data from Keiser M Series Intelligent equipment, offering real-time training metrics like power and cadence. It supports free rides, FTP tests, and guided workouts, syncing data to the Keiser Metrics cloud and compatible platforms.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**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

**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


## Frequently asked questions

### Is Tacx Training™ free?

Tacx Training™ is free to download, with no in-app purchases.

### Is Keiser M Series free?

Keiser M Series is free to download, with no in-app purchases.

### Which has better reviews, Tacx Training™ or Keiser M Series?

Tacx Training™ is rated higher. Tacx Training™ averages 4.6 out of 5 from 16K ratings, while Keiser M Series averages 4.3 from 2.9K ratings.

### Do Tacx Training™ or Keiser M Series have ads?

Neither Tacx Training™ nor Keiser M Series shows ads.

### Which is updated more often, Tacx Training™ or Keiser M Series?

Tacx Training™ ships an update every 3 weeks, and Keiser M Series weekly. Most recently, Tacx Training™ was updated on October 31, 2026 and Keiser M Series on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*