# Scale Study vs Zomi SDA

The clearest difference is rating: Scale Study at 5.0 against Zomi SDA's 4.3. Scale Study also leads on ads (none vs shown). Zomi SDA's advantage is in-app purchases (none vs 2) and ratings volume (6 vs 1). On price, update cadence, 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. Zomi SDA asks for nothing beyond the download.

Scale Study holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Zomi SDA has 6 ratings behind it against 1, so its average is the more settled of the two.

Scale Study ships an update every 2 weeks, Zomi SDA fortnightly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Scale Study | Zomi SDA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scale-study-tempo-practice/id6758663846/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/zomi-sda/id6760602864/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 79 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Pau Sawm Tung](https://appshunter.io/developer/1790971157) |

## 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 |


### Zomi SDA

[App page](https://appshunter.io/ios/app/zomi-sda/id6760602864)

This app provides a collection of Zomi SDA hymns and scripture readings. It offers offline access to the Bible and allows users to stream hymns from various platforms. Share your favorite songs and study Sabbath School lessons with ease.

**Highlights:** Zomi ZBC hymn collection, Hymn search and playback, Stream hymns from YouTube, Spotify, Apple Music, Share hymns, Multiple Bible translations, Offline Bible reading, Sabbath School lessons

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

**In-app purchases:** none


## Frequently asked questions

### Is Scale Study free?

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

### Is Zomi SDA free?

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

### Which has better reviews, Scale Study or Zomi SDA?

Scale Study is rated higher. Scale Study averages 5.0 out of 5 from 1 ratings, while Zomi SDA averages 4.3 from 6 ratings.

### Do Scale Study or Zomi SDA have ads?

Zomi SDA shows ads; Scale Study does not.

### Which is updated more often, Scale Study or Zomi SDA?

Scale Study ships an update every 2 weeks, and Zomi SDA fortnightly. Most recently, Scale Study was updated on October 10, 2026 and Zomi SDA on October 9, 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.*