# こいぶみ｜手紙と交換日記のカップルアプリ vs リアル彼氏AI

こいぶみ｜手紙と交換日記のカップルアプリ and リアル彼氏AI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

こいぶみ｜手紙と交換日記のカップルアプリ ships an update every 4 days, リアル彼氏AI weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | こいぶみ｜手紙と交換日記のカップルアプリ | リアル彼氏AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 120 MB | 105 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) | [Kazuya Yoshimura](https://appshunter.io/developer/6799858456) |

## What reviewers say

### 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


### リアル彼氏AI

[App page](https://appshunter.io/ios/app/ai/id6799858454)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is リアル彼氏AI free?

リアル彼氏AI is free to download, with no in-app purchases.

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

Neither こいぶみ｜手紙と交換日記のカップルアプリ nor リアル彼氏AI shows ads.

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

こいぶみ｜手紙と交換日記のカップルアプリ ships an update every 4 days, and リアル彼氏AI weekly. Most recently, こいぶみ｜手紙と交換日記のカップルアプリ was updated on November 11, 2026 and リアル彼氏AI on October 31, 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.*