Chess.clock vs CalculatorZ Game
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess.clock
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Take your chess games to the next level with the chess clock app. Precision timing for beginners and grandmasters alike! Features: Easy to use: An intuitive design that gets you straight into the game. Customizable timers: Choose from classic modes (e.g., Fischer, Bronstein, or delay) or create your own. Elegant design: A minimalist interface with clear displays – perfect for blitz, rapid, or tournament games. Sound and vibration feedback: Stay on top of the clock with every second. Dark mode support: Perfect for long evening games. This chess clock app is built for chess enthusiasts – simple enough for beginners, yet flexible enough for professionals. Download the app now and elevate your game!
CalculatorZ Game
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The game is an hyper casual style mobile game where you have a calculator board and an number shown in the top of screen you need to use mathematical operation to have result equal to the number flagged each time you have similar result you have increase of score but the difficulty lay in which one of the levels you selected and the some number keys and operation keys are disabled as part of difficulty
Screenshots
Verdict
The clearest difference is ads: Chess.clock at none against CalculatorZ Game's shown. Chess.clock also leads on update cadence (every 3 months vs every 7 months). CalculatorZ Game's advantage is iOS requirement (13.0 vs 26.2). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Chess.clock ships an update every 3 months, CalculatorZ Game every 7 months. The most recent releases landed on August 30, 2026 and September 17, 2026 respectively.
| Parameter | Chess.clock | CalculatorZ Game |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 117 MB |
| Age rating | 4+ | 17+ |
| Developer | Lukas Paul Hering | Mekouar Ilyas |
In-app purchases
Chess.clock
No in-app purchases
CalculatorZ Game
No in-app purchases
Questions
Is Chess.clock free?
Is CalculatorZ Game free?
Do Chess.clock or CalculatorZ Game have ads?
Which is updated more often, Chess.clock or CalculatorZ Game?
Other comparisons
