Comparison

Othello EndingTraining vs SaioApp

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Othello EndingTraining

Enhance your Reversi (Othello) endgame skills with this training app. It offers thousands of practice questions across six difficulty levels, with daily updates and evaluation values to guide your progress. Suitable for players of all skill levels.

Highlights
  • Evaluation value display
  • 10000+ practice questions
  • Daily updated questions
  • 6 difficulty levels
  • Favorite options
  • Friendly design
Read full description

This is an application to train othello's final stage power. This application support from beginners to advanced users. 【5 major features】 · can look at the evaluation value · 10000 questions + daily questions · 6 difficulty level · Options such as favorites · Friendly design *attention ・Draw is "Black Win" in thisApp ・Daily question is updated at 00:00 ・If you pass, you have to tap the board anywhere [About edax] edax is the strongest program developed by Richard Delorme. https://github.com/abulmo This application uses the version 4.3 code changed. The source code (GPL License): https://drive.google.com/open?id=1v_kngI8t4QTu7V3LoIVPUpL1DPcAZFEa

About

SaioApp

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
Read full description

Saio (System Artificial Intelligence Othello) The strongest Othello engine in the world developed in about 15 years by the 3 times Italian Othello Champion Romano Benedetto. Now available on your iOS Device with all his features: - Play vs the engine at specific time limit or fixed depth of search - Eval bests moves - Eval all moves - Show detailed Library values - WThor games archive with all games of official tournaments from 1977 - Show statistics from games archive - You can study a specific player directly on the board - Regressive Analysis of all the games - Endgame Tutor mode, Single good move and single line to avoid lose the game - InApp buy of the INCREDIBLE BIG Library 8GB with 180M moves, 240.443 draw lines - Rotate board - Load games from list of moves in the clipboard - Export list of moves to the clipboard to easy share in chats - Show transcript of the game - Edit board - Fix the line that Saio play - Select of random XOT opening - Study mode to help to memorize openings - Gameplay mode with rank level of difficult - Middlegames play mode with rank points and level of difficulty - Endgames play mode with rank points and level of difficulty - Online classify for ranked games play mode Who buyed the FULL Library now can: - Expand the Library, manually or automatically (press for 3 seconds on Library) - Expand fixed lines - Automatically fill nodes not yet present on the line - Can start from the standard library too - Merge the incremental library to the main library - Download WThor DB Update automatically The engine of Saio is actually the STATE OF THE ART of the informatic knowledge about search in game trees, and is REALLY accurate to eval moves. SaioApp contain all the firsts 12 moves of his INCREDIBLE BIG Library of moves. After you can buy the FULL 8GB Library developed in about 10 years and continue to be expanded. The FULL library actually permit to Saio to NEVER LOSE A GAME, using the datagram algorithm build during Ph.D Thesis "How to build a library to never lose a game". You can explore all the library values and know what sequences are really draw, lose or win. You will have the definitive knowledge of the Othello moves with they real values. Designed for Professional Players that need the best engine ever, created to beat all others engines. Thanks to Alessandro Di Mattei and Paolo Scognamiglio for they support to be first in the world to buy SaioApp and to contribute to Test and add features. http://www.romanobenedetto.it/tesi.pdf

Screenshots

Othello EndingTraining1 screens
SaioApp4 screens

Verdict

The call

The clearest difference is price: Othello EndingTraining at $1.99 against SaioApp's $18.99. Othello EndingTraining also leads on in-app purchases (none vs 1) and review sentiment (80% vs 67%). SaioApp's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (10.1 vs 16.6). On 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

CostPrice · In-app purchases · Ads · Monetization

Othello EndingTraining costs $1.99 and SaioApp $18.99 up front. SaioApp sells 1 one-off in-app purchase. Othello EndingTraining asks for nothing beyond the download.

UpkeepUpdate frequency

Othello EndingTraining ships an update every 6 weeks, SaioApp every 2 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 4 level
Othello EndingTraining versus SaioApp: the parameters behind the verdict, then further details
ParameterOthello EndingTrainingSaioApp
Price$1.99 — better$18.99
Rating—5.0 (2 ratings) — better
Positive reviews80.0% of reviews — better66.7% of reviews
Number of ratings—2 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.610.1 — better
Further details — not scored
Size21 MB263 MB
Age rating4+4+
DeveloperShimizu NaokiBenedetto Romano

Customer experience

Othello EndingTraining

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

SaioApp

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Othello EndingTraining

No in-app purchases

1 purchases

SaioApp

One-time1
  • Saio Full Library$44.99

Questions

Is Othello EndingTraining free?
Othello EndingTraining costs $1.99, with no in-app purchases.
Is SaioApp free?
SaioApp costs $18.99, and also offers in-app purchases.
Do Othello EndingTraining or SaioApp have ads?
Neither Othello EndingTraining nor SaioApp shows ads.
Which is updated more often, Othello EndingTraining or SaioApp?
Othello EndingTraining ships an update every 6 weeks, and SaioApp every 2 weeks. Most recently, Othello EndingTraining was updated on September 14, 2026 and SaioApp on September 9, 2026.

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