# Sounds Studio vs Harmonium Lessons

The clearest difference is in-app purchases: Sounds Studio at none against Harmonium Lessons's 3. Sounds Studio also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Harmonium Lessons sells 3 in-app purchases, starting at $9.99 per month. Sounds Studio asks for nothing beyond the download.

Sounds Studio ships an update weekly, Harmonium Lessons every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sounds Studio | Harmonium Lessons |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 146 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cem Ilgun](https://appshunter.io/developer/1543649985) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### Sounds Studio

[App page](https://appshunter.io/ios/app/sounds-studio-offline-fx/id6757679037)

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

**In-app purchases:** none


### Harmonium Lessons

[App page](https://appshunter.io/ios/app/harmonium-lessons-soloist/id6776353071)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonium Monthl | $9.99 | per month |
| Harmonium Yearl | $59.99 | per year |
| Soloist Harmonium Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Sounds Studio free?

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

### Is Harmonium Lessons free?

Harmonium Lessons is free to download, with in-app purchases available.

### Do Sounds Studio or Harmonium Lessons have ads?

Neither Sounds Studio nor Harmonium Lessons shows ads.

### Which is updated more often, Sounds Studio or Harmonium Lessons?

Sounds Studio ships an update weekly, and Harmonium Lessons every 2 weeks. Most recently, Sounds Studio was updated on October 31, 2026 and Harmonium Lessons on October 31, 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.*