Comparison

Openings Mastermind vs ChessTimr

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

ChessTimr

Read full description

ChessTimer is a minimalist chess clock for iPhone. With a clean display, large typography, and intuitive operation, it’s perfect for blitz, rapid, and even classical chess matches. Features: • Two clocks: one for White, one for Black • Simple time presets: 3, 5, 10, or 15 minutes per player • Start, pause, and reset functionality • Visual indicator for the active player • Optimized for portrait mode • No unnecessary extras – ready to use instantly Perfect for playing on the go, at the café, or in tournaments.

Screenshots

Openings Mastermind4 screens
ChessTimr3 screens

Verdict

The call

Openings Mastermind and ChessTimr are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Openings Mastermind versus ChessTimr: the parameters behind the verdict, then further details
ParameterOpenings MastermindChessTimr
PriceFreeFree
Rating4.3 (6 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings6 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.618.0 — better
Further details — not scored
Size88 MB1 MB
Age rating4+4+
DeveloperChristian HeiseMatthias Ebneter

In-app purchases

None

Openings Mastermind

No in-app purchases

None

ChessTimr

No in-app purchases

Questions

Is Openings Mastermind free?
Openings Mastermind is free to download, with no in-app purchases.
Is ChessTimr free?
ChessTimr is free to download, with no in-app purchases.
Do Openings Mastermind or ChessTimr have ads?
Neither Openings Mastermind nor ChessTimr shows ads.

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