# ReadWeaver vs Penguin

The clearest difference is update cadence: Penguin at every 3 days against ReadWeaver's every 2 weeks. ReadWeaver's advantage is iOS requirement (15.5 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReadWeaver sells 2 in-app purchases, starting at $2.99 per month and Penguin sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReadWeaver ships an update every 2 weeks, Penguin every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ReadWeaver | Penguin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/penguin-cbz-cbr-comic-reader/id6780071705/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 121 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [超 范](https://appshunter.io/developer/1747641417) | [HAEDUN KIM](https://appshunter.io/developer/1896506869) |

## What reviewers say

### ReadWeaver

[App page](https://appshunter.io/ios/app/readweaver/id6759869756)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 年度会员 | $14.99 | per year |


### Penguin

[App page](https://appshunter.io/ios/app/penguin-cbz-cbr-comic-reader/id6780071705)

This app allows you to read your own comic collection in various formats, with on-device translation for Japanese manga. It offers a customizable reading experience and a smart bookshelf, all while prioritizing user privacy and local data processing.

**Highlights:** On-device manga translation for Japanese comics, Supports various file formats (CBZ, CBR, PDF, etc.), SMB and WebDAV network drive support, OPDS catalog compatibility, Smart bookshelf with automatic categorization, Customizable reading gestures and scrolling

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime — Buy Once | $3.99 | one-time |


## Frequently asked questions

### Is ReadWeaver free?

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

### Is Penguin free?

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

### Do ReadWeaver or Penguin have ads?

Neither ReadWeaver nor Penguin shows ads.

### Which is updated more often, ReadWeaver or Penguin?

ReadWeaver ships an update every 2 weeks, and Penguin every 3 days. Most recently, ReadWeaver was updated on October 12, 2026 and Penguin on October 24, 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.*