# miret vs こいぶみ｜手紙と交換日記のカップルアプリ

The clearest difference is update cadence: こいぶみ｜手紙と交換日記のカップルアプリ at every 4 days against miret's every 20 months. miret's advantage is iOS requirement (13.0 vs 15.1). 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.

miret ships an update every 20 months, こいぶみ｜手紙と交換日記のカップルアプリ every 4 days. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | miret | こいぶみ｜手紙と交換日記のカップルアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 days** |
| Size | 3 MB | 116 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) |

## What reviewers say

### miret

[App page](https://appshunter.io/ios/app/miret/id1619480669)

**In-app purchases:** none


### こいぶみ｜手紙と交換日記のカップルアプリ

[App page](https://appshunter.io/ios/app/id6760828199)

**In-app purchases:** none


## Frequently asked questions

### Is miret free?

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

### Is こいぶみ｜手紙と交換日記のカップルアプリ free?

こいぶみ｜手紙と交換日記のカップルアプリ is free to download, with no in-app purchases.

### Do miret or こいぶみ｜手紙と交換日記のカップルアプリ have ads?

Neither miret nor こいぶみ｜手紙と交換日記のカップルアプリ shows ads.

### Which is updated more often, miret or こいぶみ｜手紙と交換日記のカップルアプリ?

miret ships an update every 20 months, and こいぶみ｜手紙と交換日記のカップルアプリ every 4 days. Most recently, miret was updated on October 15, 2026 and こいぶみ｜手紙と交換日記のカップルアプリ on October 21, 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.*