# SaioApp vs BIO WAR

The clearest difference is price: BIO WAR at Free against SaioApp's $18.99. BIO WAR also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 2 weeks). SaioApp's advantage is device support (3 vs 1) and iOS requirement (10.1 vs 18.5). On ads there is nothing between them.

BIO WAR is free to download; SaioApp costs $18.99 up front. SaioApp sells 1 one-off in-app purchase. BIO WAR asks for nothing beyond the download.

SaioApp ships an update every 2 weeks, BIO WAR every 2 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | SaioApp | BIO WAR |
| --- | --- | --- |
| Price | $18.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/saioapp/id1413881048/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 263 MB | 12 MB |
| Requires iOS | **10.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Benedetto Romano](https://appshunter.io/developer/1413881047) | [Yonghun Cho](https://appshunter.io/developer/1827369182) |

## What reviewers say

### SaioApp

[App page](https://appshunter.io/ios/app/saioapp/id1413881048)

Master the game of Othello with the world's strongest engine. Analyze moves, study player strategies, and access a vast library of game data. Designed for professionals seeking the ultimate competitive edge.

**Highlights:** Play against the strongest Othello engine, Analyze best and all moves, Access WThor games archive, Study specific players, Endgame Tutor mode, In-app purchase for large move library, Study mode for openings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saio Full Library | $44.99 | one-time |


### BIO WAR

[App page](https://appshunter.io/ios/app/bio-war/id6754510091)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SaioApp free?

SaioApp costs $18.99, and also offers in-app purchases.

### Is BIO WAR free?

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

### Do SaioApp or BIO WAR have ads?

Neither SaioApp nor BIO WAR shows ads.

### Which is updated more often, SaioApp or BIO WAR?

SaioApp ships an update every 2 weeks, and BIO WAR every 2 days. Most recently, SaioApp was updated on October 12, 2026 and BIO WAR on October 12, 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.*