# Project Avicenna vs Percept

The clearest difference is in-app purchases: Project Avicenna at none against Percept's 2. Project Avicenna also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Percept sells 2 one-off in-app purchases. Project Avicenna asks for nothing beyond the download.

## The numbers

| Metric | Project Avicenna | Percept |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 13 MB | 22 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seif Elfayoumy](https://appshunter.io/developer/1578013309) | [JIHWAN SEOK](https://appshunter.io/developer/1825411488) |

## What reviewers say

### Project Avicenna

[App page](https://appshunter.io/ios/app/project-avicenna-memory-tiles/id6737483183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Percept

[App page](https://appshunter.io/ios/app/percept-daily-perception/id6790569763)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Illusion Master Pack | $2.99 | one-time |
| Percept Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Project Avicenna free?

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

### Is Percept free?

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

### Do Project Avicenna or Percept have ads?

Percept shows ads; Project Avicenna does not.

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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.*