# 书信 vs 方师傅打水

The clearest difference is update cadence: 书信 at every 2 days against 方师傅打水's weekly. 书信 also leads on iOS requirement (8.0 vs 17.9). 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.

书信 ships an update every 2 days, 方师傅打水 weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 书信 | 方师傅打水 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free | — |
| Size | 32 MB | 7 MB |
| Requires iOS | **8.0** | 17.9 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Qilu Technology Co., Ltd.](https://appshunter.io/developer/503078027) | [创宏 陈](https://appshunter.io/developer/1884920634) |

## What reviewers say

### 书信

[App page](https://appshunter.io/ios/app/id1508294090)

Rediscover the art of letter writing to connect with loved ones and reflect on your past. Send heartfelt messages to cherished individuals or your younger self, preserving memories in a tangible way.

**Highlights:** Write personal letters, Connect with loved ones, Reflect on youth, Preserve memories, Send heartfelt messages

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

**In-app purchases:** none


### 方师傅打水

[App page](https://appshunter.io/ios/app/id6765619130)

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

**In-app purchases:** none


## Frequently asked questions

### Is 书信 free?

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

### Is 方师傅打水 free?

方师傅打水 is free to download, with no in-app purchases.

### Do 书信 or 方师傅打水 have ads?

Neither 书信 nor 方师傅打水 shows ads.

### Which is updated more often, 书信 or 方师傅打水?

书信 ships an update every 2 days, and 方师傅打水 weekly. Most recently, 书信 was updated on November 4, 2026 and 方师傅打水 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.*