# iEdax vs KifuBox

The clearest difference is review sentiment: KifuBox at 100% against iEdax's 45%. KifuBox also leads on price (Free vs $2.99) and rating (5.0 vs 4.0). iEdax's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On ratings volume, ads and device support there is nothing between them.

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

KifuBox holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 45% of iEdax's written reviews are positive against 100% of KifuBox's.

iEdax ships an update every 3 weeks, KifuBox every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | iEdax | KifuBox |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/iedax/id1174720339/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/kifubox/id1434692901/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Freemium** |
| Size | 88 MB | 40 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Hamada](https://appshunter.io/developer/1174720338) | [Atsushi Tanaka](https://appshunter.io/developer/1434692900) |

## 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


### KifuBox

[App page](https://appshunter.io/ios/app/kifubox/id1434692901)

Manage and review your reversi game transcripts with this specialized app. Input games from various sources, add comments, and analyze your play with detailed statistics and opening management tools. Organize your games into folders and share screenshots for social media.

**Highlights:** Input and edit reversi game transcripts, Import from various sources (apps, camera, clipboard, CSV), Analyze games with scores, graphs, and statistics, Manage openings with memorization tests, Organize transcripts with folders and search, Share game screenshots

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited edition | $2.99 | one-time |


## Frequently asked questions

### Is iEdax free?

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

### Is KifuBox free?

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

### Which has better reviews, iEdax or KifuBox?

KifuBox is rated higher. iEdax averages 4.0 out of 5 from 3 ratings, while KifuBox averages 5.0 from 7 ratings.

### Do iEdax or KifuBox have ads?

Neither iEdax nor KifuBox shows ads.

### Which is updated more often, iEdax or KifuBox?

iEdax ships an update every 3 weeks, and KifuBox every 2 months. Most recently, iEdax was updated on November 2, 2026 and KifuBox on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*