# Scale Study vs RHYTHM DELAY

The clearest difference is in-app purchases: RHYTHM DELAY at none against Scale Study's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scale Study sells 2 in-app purchases, starting at $0.99 per year. RHYTHM DELAY asks for nothing beyond the download.

## The numbers

| Metric | Scale Study | RHYTHM DELAY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scale-study-tempo-practice/id6758663846/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Toshio Nagayoshi](https://appshunter.io/developer/1884526096) |

## What reviewers say

### Scale Study

[App page](https://appshunter.io/ios/app/scale-study-tempo-practice/id6758663846)

Improve your piano scale technique by practicing tempo and accuracy. Connect a MIDI keyboard to log your fastest clean tempos and track progress over time. A tapping mode is available for rhythm practice without a keyboard.

**Highlights:** Practice scales with MIDI keyboard, Log fastest accurate tempos, Track progress over time, Focus on speed and accuracy, Rhythm and timing tapping mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale Study Annual Subscription | $0.99 | per year |
| Scale Study Lifetime Purchase | $2.99 | one-time |


### RHYTHM DELAY

[App page](https://appshunter.io/ios/app/rhythm-delay/id6760449838)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scale Study free?

Scale Study is free to download, with in-app purchases available.

### Is RHYTHM DELAY free?

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

### Do Scale Study or RHYTHM DELAY have ads?

Neither Scale Study nor RHYTHM DELAY shows ads.

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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.*