OSAGE Books vs Leviathan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OSAGE Books
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.
- Osage Nation published works
- Features "Coyote and the Bear"
- Promotes Osage language and culture
- Augmented Reality scanning
- Educational outreach
- Distance learning opportunities
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The “Osage Books” app is a location for published works of the Osage Nation featuring the initial story, “Coyote and the Bear.” The app aims to further the goal of protecting and promoting the language, culture, and traditional ways of the Osage people utilizing technology which increases the educational outreach and distance learning opportunities of our constituents. Any Osage books that have an Augmented Reality option can be scanned with this app for a more immersive reading experience.
Leviathan
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LEVIATHAN: an interactive comic by Jason Shiga A seaside village – and a monstrous threat. Explore as you choose, by day or by night. Can you unravel the secrets of history and defeat the Leviathan? LEVIATHAN is not an ordinary comic. YOU make the choices that determine how the story unfolds. LEVIATHAN splits off into hundreds of different adventures. - A thrilling adventure of monsters, myths, and magic on the high seas (and the islands in between them). - Completely redesigned by the author for an infinite scrollable canvas. - Full audio accessibility with VoiceOver; every panel and choice can be spoken.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | OSAGE Books | Leviathan |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 14 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 275 MB | 50 MB |
| Age rating | 4+ | 12+ |
| Developer | MacLean Engineering and Applied Technologies, LLC | Zarfhome Software Consulting |
In-app purchases
OSAGE Books
No in-app purchases
Leviathan
No in-app purchases









