# O.Tech vs Overtone

The clearest difference is device support: Overtone at 2 against O.Tech's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | O.Tech | Overtone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 7 months | — |
| Size | 13 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EP spa](https://appshunter.io/developer/1688557966) | [Bas Spijkerman](https://appshunter.io/developer/6792361856) |

## What reviewers say

### O.Tech

[App page](https://appshunter.io/ios/app/otech/id6449295462)

**In-app purchases:** none


### Overtone

[App page](https://appshunter.io/ios/app/overtone/id6804463455)

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

**In-app purchases:** none


## Frequently asked questions

### Is O.Tech free?

O.Tech is free to download, with no in-app purchases.

### Is Overtone free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*