# readme vs mBooks

The clearest difference is update cadence: readme at every 2 days against mBooks's every 9 days. mBooks's advantage is iOS requirement (13.0 vs 18.0). 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.

readme ships an update every 2 days, mBooks every 9 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | readme | mBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (18 ratings)](https://appshunter.io/ios/app/readme-library-manager/id6749716380/reviews)** | — |
| Number of ratings | **18** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | — |
| Size | 17 MB | 65 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ruben Martinez](https://appshunter.io/developer/862174970) | [Anshika Maurya](https://appshunter.io/developer/1787701644) |

## What reviewers say

### readme

[App page](https://appshunter.io/ios/app/readme-library-manager/id6749716380)

Easily catalog your book collection by scanning ISBNs or searching by title and author. Access your library anytime, anywhere to know what you own and what you want to read next. Perfect for casual readers and passionate collectors alike.

**Highlights:** Scan ISBN barcodes to add books, Search by author or title, Build and browse your library, Track owned books, Manage reading lists

**In-app purchases:** none


### mBooks

[App page](https://appshunter.io/ios/app/mbooks-pdf-and-epub-reader/id6774751313)

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

**In-app purchases:** none


## Frequently asked questions

### Is readme free?

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

### Is mBooks free?

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

### Do readme or mBooks have ads?

Neither readme nor mBooks shows ads.

### Which is updated more often, readme or mBooks?

readme ships an update every 2 days, and mBooks every 9 days. Most recently, readme was updated on October 25, 2026 and mBooks on October 11, 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.*