# Overlapi vs Project Avicenna

The clearest difference is in-app purchases: Project Avicenna at none against Overlapi's 9. Project Avicenna also leads on iOS requirement (13.4 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Overlapi sells 9 one-off in-app purchases. Project Avicenna asks for nothing beyond the download.

## The numbers

| Metric | Overlapi | Project Avicenna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NUIFISH LIMITED](https://appshunter.io/developer/525325232) | [Seif Elfayoumy](https://appshunter.io/developer/1578013309) |

## What reviewers say

### Overlapi

[App page](https://appshunter.io/ios/app/overlapi/id1040650986)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Zone 2 | $0.99 | one-time |
| Unlock Zone 3 | $0.99 | one-time |
| Unlock Zone 4 | $0.99 | one-time |
| Unlock Zone 5 | $0.99 | one-time |
| Unlock Zone 7 | $0.99 | one-time |
| Unlock Zone 6 | $0.99 | one-time |
| Unlock Zone 8 | $0.99 | one-time |
| Unlock Zone 10 | $0.99 | one-time |
| Unlock Zone 9 | $0.99 | one-time |


### Project Avicenna

[App page](https://appshunter.io/ios/app/project-avicenna-color-match/id6670691015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Overlapi free?

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

### Is Project Avicenna free?

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

### Do Overlapi or Project Avicenna have ads?

Neither Overlapi nor Project Avicenna 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.*