# Reading100 vs 猫耳ビューアー

The clearest difference is update cadence: 猫耳ビューアー at every 4 days against Reading100's every 6 weeks. 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.

Reading100 ships an update every 6 weeks, 猫耳ビューアー every 4 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reading100 | 猫耳ビューアー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/reading100/id1583152318/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 35 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Gentouch Studios Company Limited](https://appshunter.io/developer/381051568) | [Makoto Nishimura](https://appshunter.io/developer/1113491325) |

## What reviewers say

### Reading100

[App page](https://appshunter.io/ios/app/reading100/id1583152318)

Convert websites into image books for private collection. Developers can inspect HTML and practice regex for extracting website content.

**Highlights:** Convert websites to image books, Save image books to personal collection, Inspect website HTML, Extract HTML using regular expressions, Practice regex skills

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

**In-app purchases:** none


### 猫耳ビューアー

[App page](https://appshunter.io/ios/app/id6792204480)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reading100 free?

Reading100 is free to download, with no in-app purchases.

### Is 猫耳ビューアー free?

猫耳ビューアー is free to download, with no in-app purchases.

### Do Reading100 or 猫耳ビューアー have ads?

Neither Reading100 nor 猫耳ビューアー shows ads.

### Which is updated more often, Reading100 or 猫耳ビューアー?

Reading100 ships an update every 6 weeks, and 猫耳ビューアー every 4 days. Most recently, Reading100 was updated on November 3, 2026 and 猫耳ビューアー 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.*