# Keiser M Series vs RizFit

The clearest difference is review sentiment: RizFit at 100% against Keiser M Series's 20%. RizFit also leads on rating (5.0 vs 4.3). Keiser M Series's advantage is ads (none vs shown) and update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

RizFit holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Keiser M Series has 2.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Keiser M Series's written reviews are positive against 100% of RizFit's.

Keiser M Series ships an update weekly, RizFit every 4 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Keiser M Series | RizFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (2.9K ratings)](https://appshunter.io/ios/app/keiser-m-series/id1094598975/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rizfit/id1440219207/reviews)** |
| Number of ratings | **2.9K** | 1 |
| Positive reviews | 19.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 77 MB | 126 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Keiser Corp.](https://appshunter.io/developer/1094598974) | [RizFit Fitness Studio, Inc](https://appshunter.io/developer/1440219206) |

## What reviewers say

### 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


### RizFit

[App page](https://appshunter.io/ios/app/rizfit/id1440219207)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enhance convenience with this fitness studio's app.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule management, Device-based convenience

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Keiser M Series free?

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

### Is RizFit free?

RizFit is free to download, with no in-app purchases.

### Which has better reviews, Keiser M Series or RizFit?

RizFit is rated higher. Keiser M Series averages 4.3 out of 5 from 2.9K ratings, while RizFit averages 5.0 from 1 ratings.

### Do Keiser M Series or RizFit have ads?

RizFit shows ads; Keiser M Series does not.

### Which is updated more often, Keiser M Series or RizFit?

Keiser M Series ships an update weekly, and RizFit every 4 months. Most recently, Keiser M Series was updated on November 6, 2026 and RizFit on November 2, 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.*