Comparison

iChessOne vs Openings Mastermind

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

Head to head
About

iChessOne

Experience traditional chess with a smart electronic board. Play online, train with AI, analyze games, and customize your experience with interactive LEDs. It connects the feel of physical pieces with the convenience of modern software for an enhanced chess ecosystem.

Highlights
  • Play online on a real chessboard
  • Offline play and Stockfish training
  • Game analysis and PGN export
  • Interactive LED support
  • Advanced personalization settings
  • Board management and firmware updates
  • Reliable wireless Bluetooth connection
Features
Read full description

iChessOne is the official app for the foldable electronic chessboard designed for natural play on a real board. Built by chess players for chess players, the iChessOne app combines the feel of traditional over-the-board chess with the convenience of modern software. It unlocks the full potential of the iChessOne board, allowing you to play online, train with Stockfish, analyze your games, manage your board, and customize your playing experience. Whether you want to play at home, train on the go, or enjoy online chess on a real wooden board, iChessOne gives you one connected ecosystem for playing, learning, and improving. Key Features 1. Play online on a real chessboard Connect your iChessOne board and play on popular platforms such as Lichess and Chess.com while keeping the natural feel of physical pieces. The board recognizes individual pieces and their positions in real time, so you can focus on the game instead of the screen. 2. Offline play and training with Stockfish Play against the built-in Stockfish engine with multiple difficulty levels, or use the full strength of the engine for analysis. You can also play local games 1v1 on the same board, making iChessOne suitable for both training and casual play. 3. Game analysis, history, and PGN export Review your games, analyze positions, and improve your chess skills over time. Games can be saved, revisited later, and exported in PGN format for further analysis or sharing. 4. Interactive LED support The iChessOne board uses multicolor LED indicators to highlight moves, show your opponent’s actions, and support gameplay. The app lets you customize LED colors, brightness, and effects to match your preferences. 5. Advanced personalization Adjust key gameplay and board settings to fit your style. Customize move detection, premoves, LED behavior, and other options to create the experience that works best for you. 6. Board management and firmware updates Use the app to monitor battery status, manage your board, and install firmware updates that bring improvements and new features over time. 7. Reliable wireless connection The app communicates with the board via Bluetooth Low Energy, providing stable and efficient wireless connectivity designed for everyday play. 8. More than a companion app iChessOne is not just a controller for the board - it is the central place where traditional chess meets online play, analysis, training, and regular feature updates. With iChessOne, you can enjoy the authenticity of a real chessboard together with the flexibility of modern chess software - at home, during training, or while playing online.

About

Openings Mastermind

Master chess openings with this app. Import studies, explore with advanced engines, and practice specific lines through repetition. Track your progress and improve your game.

Highlights
  • Import Lichess Studies or PGNs
  • Explore openings with Stockfish 15
  • Practice openings by repetition
  • Smart practice queue
  • Track learning progress
Features
Read full description

Get ready to take your chess game to the next level with Openings Mastermind, the ultimate chess opening app! Some of the features include: - Import Lichess Studies or custom PGNs - Explore openings with Stockfish 17 and the Lichess position database - Practice openings by repetition against your own custom openings database - Take advantage of the smart practice queue and improve your learning - Observe your learning progress in different openings With our app, you can take your opening game to the next level by practicing against the specific lines you want to master. Whether you're a beginner or an experienced player, our app is the perfect tool to help you improve your opening moves and become a better chess player. Planned Features: - Continue against engine, after study line ends - Analysis of your games from Lichess and Chess.com compared to your openings database

Screenshots

iChessOne4 screens
Openings Mastermind4 screens

Verdict

The call

The clearest difference is review sentiment: iChessOne at 100% against Openings Mastermind's 50%. iChessOne also leads on iOS requirement (15.0 vs 18.6). Openings Mastermind's advantage is rating (4.3 vs 4.0) and update cadence (fortnightly vs every 6 weeks). On price, ads, in-app purchases and monetization model 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Openings Mastermind holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews complicate that: 100% of iChessOne's written reviews are positive against 50% of Openings Mastermind's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

iChessOne ships an update every 6 weeks, Openings Mastermind fortnightly. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 5 level
iChessOne versus Openings Mastermind: the parameters behind the verdict, then further details
ParameteriChessOneOpenings Mastermind
PriceFreeFree
Rating4.0 (2 ratings)4.3 (6 ratings) — better
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings26 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size86 MB88 MB
Age rating12+4+
DeveloperJanusz LisowskiChristian Heise

Customer experience

iChessOne

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Openings Mastermind

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

iChessOne

No in-app purchases

None

Openings Mastermind

No in-app purchases

Questions

Is iChessOne free?
iChessOne is free to download, with no in-app purchases.
Is Openings Mastermind free?
Openings Mastermind is free to download, with no in-app purchases.
Which has better reviews, iChessOne or Openings Mastermind?
Openings Mastermind is rated higher. iChessOne averages 4.0 out of 5 from 2 ratings, while Openings Mastermind averages 4.3 from 6 ratings.
Do iChessOne or Openings Mastermind have ads?
Neither iChessOne nor Openings Mastermind shows ads.
Which is updated more often, iChessOne or Openings Mastermind?
iChessOne ships an update every 6 weeks, and Openings Mastermind fortnightly. Most recently, iChessOne was updated on June 1, 2026 and Openings Mastermind on September 19, 2026.

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