# Omnibook vs Leaf

The clearest difference is in-app purchases: Omnibook at none against Leaf's 4. Omnibook also leads on iOS requirement (15.0 vs 18). Leaf's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Leaf sells 4 one-off in-app purchases. Omnibook asks for nothing beyond the download.

Omnibook ships an update every 3 months, Leaf every 4 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Omnibook | Leaf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/omnibook/id1462181257/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 26 MB |
| Requires iOS | **15.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pixel & Cicero](https://appshunter.io/developer/1462162041) | [John Keith Zank](https://appshunter.io/developer/1859991220) |

## What reviewers say

### Omnibook

[App page](https://appshunter.io/ios/app/omnibook/id1462181257)

A digital publication reader designed for the latest generation of e-books. It offers a modern platform for accessing and enjoying digital content.

**Highlights:** Digital publication reader, Last generation technology, Modern interface, E-book access

**In-app purchases:** none


### Leaf

[App page](https://appshunter.io/ios/app/leaf-reading-tracker/id6756308689)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| eBook Reader | $1.99 | one-time |
| Generious Tip | $2.99 | one-time |
| Audiobook Player | $4.99 | one-time |


## Frequently asked questions

### Is Omnibook free?

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

### Is Leaf free?

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

### Do Omnibook or Leaf have ads?

Neither Omnibook nor Leaf shows ads.

### Which is updated more often, Omnibook or Leaf?

Omnibook ships an update every 3 months, and Leaf every 4 weeks. Most recently, Omnibook was updated on October 13, 2026 and Leaf on October 9, 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.*