# 书谱 vs 家信

书谱 and 家信 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 书谱 | 家信 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 148 MB | 139 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ruisek Intelligent Technology (shanghai) Co., Ltd](https://appshunter.io/developer/1861654784) | [Chengdu Ronghe Xinyuan Technology Co., Ltd](https://appshunter.io/developer/1894528546) |

## What reviewers say

### 书谱

[App page](https://appshunter.io/ios/app/id6748376785)

**Features:** Vision Pro support

**In-app purchases:** none


### 家信

[App page](https://appshunter.io/ios/app/ai/id6762529054)

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

**In-app purchases:** none


## Frequently asked questions

### Is 书谱 free?

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

### Is 家信 free?

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

### Do 书谱 or 家信 have ads?

Neither 书谱 nor 家信 shows ads.

### Which is updated more often, 书谱 or 家信?

书谱 ships an update weekly, and 家信 weekly. Most recently, 书谱 was updated on October 16, 2026 and 家信 on October 12, 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.*