# I vs Eri.cards

The clearest difference is iOS requirement: I at 7.0 against Eri.cards's 15.0. On price, ads, in-app purchases and device support 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 | I | Eri.cards |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eli Bitton](https://appshunter.io/developer/1110347721) | [Sergey Rumyantsev](https://appshunter.io/developer/1714686825) |

## What reviewers say

### I

[App page](https://appshunter.io/ios/app/i-say-challenge-your-brain/id1197868662)

Test your cognitive skills with a challenging color-matching game. Follow sequences and avoid mistakes to advance through levels. It's a fun way to keep your mind sharp.

**Highlights:** Color sequence memory, Reaction time challenges, Brain training gameplay, Progressive difficulty

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

**In-app purchases:** none


### Eri.cards

[App page](https://appshunter.io/ios/app/ericards/id6471030786)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is I free?

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

### Is Eri.cards free?

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

### Do I or Eri.cards have ads?

Neither I nor Eri.cards 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.*