# Omnia Reader vs 静墨

The clearest difference is update cadence: 静墨 at every 4 days against Omnia Reader's every 2 weeks. 静墨 also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Omnia Reader sells 1 one-off in-app purchase and 静墨 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Omnia Reader ships an update every 2 weeks, 静墨 every 4 days. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Omnia Reader | 静墨 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 8 MB | 56 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LiChuan Lin](https://appshunter.io/developer/1895785594) | [涛 罗](https://appshunter.io/developer/765358386) |

## What reviewers say

### Omnia Reader

[App page](https://appshunter.io/ios/app/omnia-reader/id6784663352)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | one-time |


### 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 Omnia Reader free?

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

### Is 静墨 free?

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

### Do Omnia Reader or 静墨 have ads?

Neither Omnia Reader nor 静墨 shows ads.

### Which is updated more often, Omnia Reader or 静墨?

Omnia Reader ships an update every 2 weeks, and 静墨 every 4 days. Most recently, Omnia Reader was updated on September 25, 2026 and 静墨 on September 13, 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.*