# OnKey Lite vs Rhythm Trainer

The clearest difference is review sentiment: OnKey Lite at 100% against Rhythm Trainer's 34%. OnKey Lite also leads on rating (4.5 vs 4.2). Rhythm Trainer's advantage is update cadence (every 9 days vs every 3 months) and ratings volume (95 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OnKey Lite holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Rhythm Trainer has 95 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of OnKey Lite's written reviews are positive against 34% of Rhythm Trainer's.

OnKey Lite ships an update every 3 months, Rhythm Trainer every 9 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | OnKey Lite | Rhythm Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/onkey-lite-scale-practice/id1638630839/reviews)** | [4.2 (95 ratings)](https://appshunter.io/ios/app/rhythm-trainer-ear-training/id6484503708/reviews) |
| Number of ratings | 2 | **95** |
| Positive reviews | **100.0% of reviews** | 34.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 1 MB | 52 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rea Meir](https://appshunter.io/developer/1638204694) | [Artem Popov](https://appshunter.io/developer/1520523644) |

## What reviewers say

### OnKey Lite

[App page](https://appshunter.io/ios/app/onkey-lite-scale-practice/id1638630839)

This app generates readable, note-based exercises for practicing musical scales and chords. It's ideal for warm-ups, technique drills, or theory work, catering to musicians of all levels. Customize your practice with various patterns, keys, and note name options.

**Highlights:** Generate note-based exercises, Practice scales and chords, Transpose to any key, Set range and clef, Choose from various patterns, Add note names and time signatures

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

**In-app purchases:** none


### Rhythm Trainer

[App page](https://appshunter.io/ios/app/rhythm-trainer-ear-training/id6484503708)

Develop your musical ear and rhythm skills with interactive exercises. Practice tapping along to diverse rhythmic patterns, track your progress, and set personalized goals. Suitable for musicians of all levels.

**Highlights:** Rhythm tapping practice, One and two-hand rhythm practice, Progress tracking, Proficiency monitoring, Personalized goal setting

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

**In-app purchases:** none


## Frequently asked questions

### Is OnKey Lite free?

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

### Is Rhythm Trainer free?

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

### Which has better reviews, OnKey Lite or Rhythm Trainer?

OnKey Lite is rated higher. OnKey Lite averages 4.5 out of 5 from 2 ratings, while Rhythm Trainer averages 4.2 from 95 ratings.

### Do OnKey Lite or Rhythm Trainer have ads?

Neither OnKey Lite nor Rhythm Trainer shows ads.

### Which is updated more often, OnKey Lite or Rhythm Trainer?

OnKey Lite ships an update every 3 months, and Rhythm Trainer every 9 days. Most recently, OnKey Lite was updated on November 3, 2026 and Rhythm Trainer on November 4, 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.*