# OSAGE Books vs Leviathan

The clearest difference is price: OSAGE Books at Free against Leviathan's $3.99. OSAGE Books also leads on iOS requirement (14.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

OSAGE Books is free to download; Leviathan costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OSAGE Books ships an update every 14 months, Leviathan every 12 months. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | OSAGE Books | Leviathan |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/osage-books/id1639950954/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 275 MB | 50 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [MacLean Engineering and Applied Technologies, LLC](https://appshunter.io/developer/1639950956) | [Zarfhome Software Consulting](https://appshunter.io/developer/457956106) |

## What reviewers say

### OSAGE Books

[App page](https://appshunter.io/ios/app/osage-books/id1639950954)

Explore published works from the Osage Nation, including the story "Coyote and the Bear." This app uses technology to promote Osage language, culture, and traditions, offering enhanced educational outreach and distance learning. It also features augmented reality scanning for an immersive reading experience.

**Highlights:** Osage Nation published works, Features "Coyote and the Bear", Promotes Osage language and culture, Augmented Reality scanning, Educational outreach, Distance learning opportunities

**Features:** macOS Compatibility

**In-app purchases:** none


### Leviathan

[App page](https://appshunter.io/ios/app/leviathan-interactive-comic/id6444325089)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSAGE Books free?

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

### Is Leviathan free?

Leviathan costs $3.99, with no in-app purchases.

### Do OSAGE Books or Leviathan have ads?

Neither OSAGE Books nor Leviathan shows ads.

### Which is updated more often, OSAGE Books or Leviathan?

OSAGE Books ships an update every 14 months, and Leviathan every 12 months. Most recently, OSAGE Books was updated on November 3, 2026 and Leviathan on October 29, 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.*