# BookReading vs KRMM

The clearest difference is update cadence: BookReading at every 2 weeks against KRMM's every 3 months. BookReading also leads on iOS requirement (12.2 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.

BookReading ships an update every 2 weeks, KRMM every 3 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BookReading | KRMM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 17 MB | 4 MB |
| Requires iOS | **12.2** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AlqMedia Co., Ltd](https://appshunter.io/developer/931707454) | [Kazumasa Kikuya](https://appshunter.io/developer/1638694446) |

## What reviewers say

### BookReading

[App page](https://appshunter.io/ios/app/bookreading/id1332891198)

**Features:** macOS Compatibility

**In-app purchases:** none


### KRMM

[App page](https://appshunter.io/ios/app/krmm/id1638694444)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BookReading free?

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

### Is KRMM free?

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

### Do BookReading or KRMM have ads?

Neither BookReading nor KRMM shows ads.

### Which is updated more often, BookReading or KRMM?

BookReading ships an update every 2 weeks, and KRMM every 3 months. Most recently, BookReading was updated on October 8, 2026 and KRMM on October 5, 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.*