# iEdax vs OTHELLO KING

The clearest difference is price: OTHELLO KING at Free against iEdax's $2.99. OTHELLO KING also leads on update cadence (weekly vs every 3 weeks). iEdax's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

OTHELLO KING is free to download; iEdax costs $2.99 up front. OTHELLO KING sells 1 one-off in-app purchase. iEdax asks for nothing beyond the download.

iEdax ships an update every 3 weeks, OTHELLO KING weekly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | iEdax | OTHELLO KING |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/iedax/id1174720339/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | — |
| Size | 88 MB | 17 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Hamada](https://appshunter.io/developer/1174720338) | [JUI-MING CHIU](https://appshunter.io/developer/6804113132) |

## What reviewers say

### iEdax

[App page](https://appshunter.io/ios/app/iedax/id1174720339)

Analyze your Reversi games with a powerful AI engine. Features include game analysis, graph visualization, and saving/loading game records. Import games via text or camera.

**Highlights:** Edax AI analysis, Game analysis graphs, Save and load game records, Import game records (text/camera), Twitter screenshot sharing

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

**In-app purchases:** none


### OTHELLO KING

[App page](https://appshunter.io/ios/app/othello-king/id6804113010)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Unlock Forever | $6.99 | one-time |


## Frequently asked questions

### Is iEdax free?

iEdax costs $2.99, with no in-app purchases.

### Is OTHELLO KING free?

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

### Do iEdax or OTHELLO KING have ads?

Neither iEdax nor OTHELLO KING shows ads.

### Which is updated more often, iEdax or OTHELLO KING?

iEdax ships an update every 3 weeks, and OTHELLO KING weekly. Most recently, iEdax was updated on October 24, 2026 and OTHELLO KING on October 19, 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.*