# RPM2 vs iClass Builder Player

The clearest difference is rating: RPM2 at 5.0 against iClass Builder Player's 4.4. RPM2 also leads on monetization model (free vs free with in-app purchases) and iOS requirement (8.0 vs 15.0). iClass Builder Player's advantage is ratings volume (40 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

RPM2 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: iClass Builder Player has 40 ratings behind it against 1, so its average is the more settled of the two.

RPM2 ships an update every 2 months, iClass Builder Player every 3 months. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | RPM2 | iClass Builder Player |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rpm2/id875904790/reviews)** | [4.4 (40 ratings)](https://appshunter.io/ios/app/iclass-builder-player/id1199667339/reviews) |
| Number of ratings | 1 | **40** |
| Positive reviews | — | 82.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 19 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MedHab LLC](https://appshunter.io/developer/875904793) | [Cycling Fusion](https://appshunter.io/developer/456067267) |

## What reviewers say

### RPM2

[App page](https://appshunter.io/ios/app/rpm2/id875904790)

This app works with specialized insoles to help athletes analyze and improve their performance. It monitors range of motion, force distribution, running gait, and cycling to identify and correct bilateral deficiencies, leading to increased strength and speed. Results can be shared with coaches for personalized recommendations.

**Highlights:** Bilateral deficiency assessment, Range of motion monitoring, Force distribution analysis, Running gait tracking, Cycling performance metrics, Shareable results with coaches, Demo mode for feature preview

**Features:** macOS Compatibility

**In-app purchases:** none


### iClass Builder Player

[App page](https://appshunter.io/ios/app/iclass-builder-player/id1199667339)

Create and deliver indoor cycling classes with detailed training metrics like heart rate zones, cadence, and power.  Instructors can time cues to music, share classes, and even sell their creations.  Project ride profiles and additional data to screens for participants.

**Highlights:** Create custom indoor cycling workouts, Integrate heart rate zones, cadence, and power metrics, Precisely time cues to music, Share and sell created classes, Project ride profiles and data to screens, On-demand interval timer, Access music from Spotify, Apple, and Dropbox

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPM2 free?

RPM2 is free to download, with no in-app purchases.

### Is iClass Builder Player free?

iClass Builder Player is free to download, with no in-app purchases.

### Which has better reviews, RPM2 or iClass Builder Player?

RPM2 is rated higher. RPM2 averages 5.0 out of 5 from 1 ratings, while iClass Builder Player averages 4.4 from 40 ratings.

### Do RPM2 or iClass Builder Player have ads?

Neither RPM2 nor iClass Builder Player shows ads.

### Which is updated more often, RPM2 or iClass Builder Player?

RPM2 ships an update every 2 months, and iClass Builder Player every 3 months. Most recently, RPM2 was updated on October 8, 2026 and iClass Builder Player on October 22, 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.*