# 愛する我が子への手紙 vs Pitteru

The clearest difference is ads: Pitteru at none against 愛する我が子への手紙's shown. 愛する我が子への手紙's advantage is update cadence (every 4 months vs every 8 months) and device support (3 vs 1). On price 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.

愛する我が子への手紙 ships an update every 4 months, Pitteru every 8 months. The most recent releases landed on December 7, 2025 and August 10, 2026 respectively.

## The numbers

| Metric | 愛する我が子への手紙 | Pitteru |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 63 MB | 44 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anderson Oki](https://appshunter.io/developer/1525688631) | [Takuya Okada](https://appshunter.io/developer/1635085390) |

## What reviewers say

### 愛する我が子への手紙

[App page](https://appshunter.io/ios/app/id1596713005)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pitteru

[App page](https://appshunter.io/ios/app/pitteru/id1635085388)

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

**In-app purchases:** none


## Frequently asked questions

### Is 愛する我が子への手紙 free?

愛する我が子への手紙 is free to download, with no in-app purchases.

### Is Pitteru free?

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

### Do 愛する我が子への手紙 or Pitteru have ads?

愛する我が子への手紙 shows ads; Pitteru does not.

### Which is updated more often, 愛する我が子への手紙 or Pitteru?

愛する我が子への手紙 ships an update every 4 months, and Pitteru every 8 months. Most recently, 愛する我が子への手紙 was updated on December 7, 2025 and Pitteru on August 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*