Comparison

Openings Mastermind vs Invisible Chess

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

Head to head
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

About

Invisible Chess

Features
Read full description

Forget everything you knew about chess. Welcome to the Void. Invisible Chess: Master Void takes the world’s greatest strategy game and elevates it into a supreme mental challenge [cite: 2026-02-14]. In this version, moving the pieces is only the beginning—the real game happens entirely in your mind. How it works: Once a piece is placed or a move is made, the board slowly fades into the void. You must rely on your visual memory to track every position, plan your next strike, and predict your opponent's hidden maneuvers. Key Features: * Supreme Memory Training: Sharpen your concentration and visual-spatial memory with every move. * Minimalist Aesthetic: A dark, atmospheric design that removes distractions and focuses purely on the essence of strategy. * High-Stakes Tactics: One forgotten piece can lead to a sudden checkmate. Precision is everything. * Master the Void: Designed for those who find standard chess too predictable. Whether you are a Grandmaster looking for a new challenge or a puzzle lover wanting to test your limits, InvisiChess will make you see the board in a whole new way.

Screenshots

Openings Mastermind4 screens
Invisible Chess4 screens

Verdict

The call

The clearest difference is price: Openings Mastermind at Free against Invisible Chess's $3.99. Invisible Chess's advantage is iOS requirement (15.0 vs 18.6). On ads, in-app purchases 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

Openings Mastermind is free to download; Invisible Chess costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Openings Mastermind versus Invisible Chess: the parameters behind the verdict, then further details
ParameterOpenings MastermindInvisible Chess
PriceFree — better$3.99
Rating4.3 (6 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings6 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size88 MB5 MB
Age rating4+4+
DeveloperChristian HeiseAPOSTOLOS KOUTIS

In-app purchases

None

Openings Mastermind

No in-app purchases

None

Invisible Chess

No in-app purchases

Questions

Is Openings Mastermind free?
Openings Mastermind is free to download, with no in-app purchases.
Is Invisible Chess free?
Invisible Chess costs $3.99, with no in-app purchases.
Do Openings Mastermind or Invisible Chess have ads?
Neither Openings Mastermind nor Invisible Chess shows ads.

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