# Harmonium Lessons vs Swar Detector

The clearest difference is in-app purchases: Swar Detector at none against Harmonium Lessons's 3. Harmonium Lessons's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Harmonium Lessons | Swar Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 10 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) | [Vaibhav Gupta](https://appshunter.io/developer/1786847839) |

## What reviewers say

### 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 |


### Swar Detector

[App page](https://appshunter.io/ios/app/swar-detector/id6795436428)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonium Lessons free?

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

### Is Swar Detector free?

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

### Do Harmonium Lessons or Swar Detector have ads?

Neither Harmonium Lessons nor Swar Detector 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.*