# ERAI! vs えらたん

The clearest difference is iOS requirement: えらたん at 12.0 against ERAI!'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ERAI! ships an update weekly, えらたん every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | ERAI! | えらたん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Size | 18 MB | 41 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kosuke Shimada](https://appshunter.io/developer/1529796493) | [Yuuki Takahashi](https://appshunter.io/developer/1805499560) |

## What reviewers say

### ERAI!

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

**Features:** macOS Compatibility

**In-app purchases:** none


### えらたん

[App page](https://appshunter.io/ios/app/id6744003209)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERAI! free?

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

### Is えらたん free?

えらたん is free to download, with no in-app purchases.

### Do ERAI! or えらたん have ads?

Both ERAI! and えらたん show ads.

### Which is updated more often, ERAI! or えらたん?

ERAI! ships an update weekly, and えらたん every 10 days. Most recently, ERAI! was updated on October 25, 2026 and えらたん on October 25, 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.*