Crazy Maths. vs SixFour Chess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crazy Maths.
This app offers a fun way to learn and practice fundamental math skills. It covers addition, subtraction, multiplication, division, and number theory concepts through engaging exercises and game modes. Designed for self-improvement, it helps build arithmetic fluency and mental math strategies.
- Basic arithmetic practice
- Number theory concepts
- Multiplication table learning
- Mental math strategies
- Multiple difficulty levels
- High scores and awards
- Fun animations
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Exploring a variety of mathematical topics. Learn basic math skills in addition, subtraction, multiplication and division. Learn the even numbers, odd numbers, prime numbers, Fibonacci numbers. Learn multiplication table. Exploring math skills. Improves arithmetic fluency and promotes development of mental strategies for addition, subtraction, multiplication, division and mixed operations. With a focus on self-improvement. FEATURES / EDUCATIONAL CONTENT: - Addition - Subtraction - Multiplication - Division - Arithmetic - Multiplication table - The even numbers, odd numbers, prime numbers, Fibonacci numbers. - Combination of the above - Practice mental addition, subtraction, multiplication, division and mixed operations - Develop arithmetic fluency and improve mental strategies - Mental math game - Choose their options by themselves - Various fun game modes - Possibility to follow the results of several players - 3 levels of difficulty - Fun animations - Access to the Game Center - High scores and awards. We are listening to, frequently enhancements game based on your feedback Please give us feedback in comments, we will make it the best game! .
SixFour Chess
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SixFour Chess is a refined chess app built for simple, focused play on iPhone. Play locally against the AI, enjoy a clean and accessible interface, and review your finished games move by move. SixFour keeps the experience clear and distraction-free, with thoughtful design and modern mobile controls. Features Play Locally Against the AI Enjoy a smooth and focused chess experience without creating an account. Five Difficulty Levels Choose from five AI levels, including Master difficulty with online analysis for a stronger challenge. Three Hints Per Game Get limited help during a game to guide your next move. Replay Finished Games Review your completed games with local history and move-by-move board replay. Full Chess Rules Play with castling, en passant, promotion, threefold repetition, and the fifty-move rule. Built for iPhone Enjoy haptic feedback, sound effects, and a clean interface designed for mobile play. Accessible by Design SixFour supports VoiceOver and is available in English, French, and Italian. Privacy First No ads. No tracking without your consent.
Screenshots
Verdict
The clearest difference is update cadence: SixFour Chess at every 2 months against Crazy Maths.'s every 64 months. Crazy Maths.'s advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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.
Crazy Maths. ships an update every 64 months, SixFour Chess every 2 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | Crazy Maths. | SixFour Chess |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 64 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Fernando Gonzalez Frias | Adouani SAS |
In-app purchases
Crazy Maths.
No in-app purchases
SixFour Chess
No in-app purchases
Questions
Is Crazy Maths. free?
Is SixFour Chess free?
Do Crazy Maths. or SixFour Chess have ads?
Which is updated more often, Crazy Maths. or SixFour Chess?
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