# Mit vs ERAI!

The clearest difference is ads: Mit at none against ERAI!'s shown. Mit also leads on iOS requirement (12.0 vs 15.0). ERAI!'s advantage is update cadence (weekly vs every 44 months). On price, 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.

Mit ships an update every 44 months, ERAI! weekly. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Mit | ERAI! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 44 months | **Weekly** |
| Size | 10 MB | 18 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Delta,Inc.](https://appshunter.io/developer/1457478513) | [Kosuke Shimada](https://appshunter.io/developer/1529796493) |

## What reviewers say

### Mit

[App page](https://appshunter.io/ios/app/mit/id1457478514)

**In-app purchases:** none


### ERAI!

[App page](https://appshunter.io/ios/app/erai/id1529796491)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mit free?

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

### Is ERAI! free?

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

### Do Mit or ERAI! have ads?

ERAI! shows ads; Mit does not.

### Which is updated more often, Mit or ERAI!?

Mit ships an update every 44 months, and ERAI! weekly. Most recently, Mit was updated on September 24, 2026 and ERAI! on September 30, 2026.

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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.*