iEdax vs KifuBox
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
iEdax
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.
- Edax AI analysis
- Game analysis graphs
- Save and load game records
- Import game records (text/camera)
- Twitter screenshot sharing
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This is application to analyze reversi. This application is equipped with Edax which is the strong reversi program. This application can do the next thing. ・ Indication of the evaluations of Edax ・ Analysis of a game, graph indication of the analysis result ・ Save and load of the record of a game ・ Import of the record of a game of the form "f5d6c3..." ・ Import of the board with the camera ・ Contribution to Twitter of the screenshot [About Edax] Edax is the reversi program that Mr. Richard Delorme developed. Edax http://abulmo.perso.neuf.fr/ Edax of this application uses the source code changed Edax version4.3. Source code (GPL License) https://drive.google.com/drive/folders/0B_pCPk8yzIWMbDRYZnJhQllrNzQ?usp=sharing
KifuBox
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.
- 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
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KifuBox is an app specialized for managing and reviewing reversi games. You can easily input transcripts and game information, and review games. [Main features] Input transcript - Edit board to input misflipping games - Comments for future review - Import from Othello Quest - Import from eOthello - Import from clipboard to import transcripts of other game apps - Import from camera/photo to import real board - Import from AR camera to import transcripts from real board - Batch import from CSV file - Quick analysis to study easily without saving transcripts automatically - Set transcript sheet image to board background to input transcript easily - Launch quick analysis by link (URL) or iOS shortcut Show score and graph - Custom book - Show book info - Add positions to book - Benchmark score calculation - Show endgame loss/moves - Show "Umigame" number Show/edit game information - Input assist for tournament information and player name Review transcript - Save branch moves - Share screenshot for SNS Folder - To sort games by online/offline etc. - Search transcripts by player name, tournament name, date, comment, openings, designated position, opponent's rank, endgame loss and so on. - Save search conditions as bookmark. - Backup/restore folders. Show statistics - Stats for position and each cell - Stats of win-loss, endgame-loss and various detail items for folder and search result Opening management - Input openings - Show opening name on the board - Memorization test of openings - Filter openings [In-App purchase] KifuBox is available for free, but free edition has the following restrictions; - You can create up to 10 transcripts and openings in each folder - You can create up to 2 transcript folders including default folder - You can create up to 2 opening folders not including default folder. - You cannot create subfolders of opening folders. - Scores are not shown after move #40 in quick analysis - You cannot use batch import of transcripts. - Displays "Free edition" caption in transcript list, quick analysis and in AR camera screen. - You cannot use backup/restore within the app. Purchasing unlimited edition, these resitrictions are canceled. (Be care that quality of AR recognition is the same between both editions.) [Note] You cannot play game with KifuBox. Play games with other apps, and import transcript into KifuBox! [Acknowledgement] KifuBox uses modified version of Edax4.4 by Richard Delorme, GPL v3 software. Modified source code is available in https://github.com/lavox/edax-reversi/releases/tag/libEdax4i-1.7. The author agreed to use the software in this manner. Kifubox uses icons by icons8(https://icons8.jp).
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | iEdax | KifuBox |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.0 (3 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 45.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 7 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 88 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Naoki Hamada | Atsushi Tanaka |
Customer experience
iEdax
KifuBox
In-app purchases
iEdax
No in-app purchases
KifuBox
- Unlimited edition$2.99








