# Kinder vs 静墨

The clearest difference is in-app purchases: Kinder at none against 静墨's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 静墨 sells 1 one-off in-app purchase. Kinder asks for nothing beyond the download.

Kinder ships an update weekly, 静墨 every 4 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kinder | 静墨 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 7 MB | 56 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [功亮 张](https://appshunter.io/developer/1826484363) | [涛 罗](https://appshunter.io/developer/765358386) |

## What reviewers say

### Kinder

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

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

**In-app purchases:** none


### 静墨

[App page](https://appshunter.io/ios/app/txtepubpdf/id6797436651)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 静墨阅读器 专业版 | $3.99 | one-time |


## Frequently asked questions

### Is Kinder free?

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

### Is 静墨 free?

静墨 is free to download, with in-app purchases available.

### Do Kinder or 静墨 have ads?

Neither Kinder nor 静墨 shows ads.

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

Kinder ships an update weekly, and 静墨 every 4 days. Most recently, Kinder was updated on October 25, 2026 and 静墨 on October 16, 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.*