# Leanpub vs Knowuro reader

The clearest difference is iOS requirement: Knowuro reader at 14.0 against Leanpub's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Leanpub ships an update monthly, Knowuro reader every 4 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Leanpub | Knowuro reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leanpub/id913517110/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 24 MB |
| Requires iOS | 18.5 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Leanpub](https://appshunter.io/developer/913517113) | [Knowuro](https://appshunter.io/developer/1728721237) |

## What reviewers say

### Leanpub

[App page](https://appshunter.io/ios/app/leanpub/id913517110)

Access your entire ebook library on your mobile device. Discover new titles, take notes, and switch between reading modes. Authors can also write and publish their own books directly through the platform.

**Highlights:** Read Leanpub ebooks, Discover new ebooks, Sync notes across devices, Dark and Light Mode reading, Write and publish books, Read ebook samples

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

**In-app purchases:** none


### Knowuro reader

[App page](https://appshunter.io/ios/app/knowuro-reader/id6477208617)

**In-app purchases:** none


## Frequently asked questions

### Is Leanpub free?

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

### Is Knowuro reader free?

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

### Do Leanpub or Knowuro reader have ads?

Neither Leanpub nor Knowuro reader shows ads.

### Which is updated more often, Leanpub or Knowuro reader?

Leanpub ships an update monthly, and Knowuro reader every 4 weeks. Most recently, Leanpub was updated on October 8, 2026 and Knowuro reader on October 4, 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.*