# 书僮 vs Kinder

The clearest difference is update cadence: Kinder at weekly against 书僮's every 68 months. 书僮's advantage is iOS requirement (14.0 vs 18.6). 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.

书僮 ships an update every 68 months, Kinder weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 书僮 | Kinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id1191070818/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 68 months | **Weekly** |
| Monetization | Free | — |
| Size | 27 MB | 7 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [旭东 卢](https://appshunter.io/developer/1154695066) | [功亮 张](https://appshunter.io/developer/1826484363) |

## What reviewers say

### 书僮

[App page](https://appshunter.io/ios/app/id1191070818)

A minimalist e-book reader designed for effortless reading and convenient Wi-Fi file transfer. Manage your digital library with ease on your iOS devices.

**Highlights:** Minimalist e-book reader, Convenient Wi-Fi file transfer, Digital library management, iOS device support

**In-app purchases:** none


### Kinder

[App page](https://appshunter.io/ios/app/kinder-ebook-reader/id6779840110)

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

**In-app purchases:** none


## Frequently asked questions

### Is 书僮 free?

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

### Is Kinder free?

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

### Do 书僮 or Kinder have ads?

Neither 书僮 nor Kinder shows ads.

### Which is updated more often, 书僮 or Kinder?

书僮 ships an update every 68 months, and Kinder weekly. Most recently, 书僮 was updated on October 24, 2026 and Kinder on October 25, 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.*