Crystal Math vs MindGrid
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crystal Math
This game offers four distinct modes to sharpen your mental arithmetic. Compete against the clock, challenge other players, or practice at your own pace to become a math champion and unlock achievements.
- Daily challenges with leaderboards
- Player vs. player duels
- 30-second time attack mode
- Free exploration mode
- Avatar customization
- Achievement unlocking
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Crystal Math brings brain training to a whole new level. No matter if against the clock, or against other math cracks, improve your mental arithmetic on a daily basis, unlock all achievements one by one and become the new math champion. Test you math skills in four challenging modes. Daily Challenge: Solve a new challenge every day and fight for a spot on the highscore list in three difficulties. Step up your game though, you only get one try! Duel: Challenge other players to a duel, or accept someone's challenge and fight for the winnig time. Time Attack: Practice under competition conditions. You have 30 seconds to solve the challenge. Free Game: Explore the game free of pressure and find your personal techniques for upcoming challenges. Choose an avatar and show math cracks around the globe what you are capable of. What are you waiting for? Pick up your slide rule and get started!
MindGrid
A logic puzzle game where you deduce the correct placement of colored tiles based on row clues. It offers hundreds of levels, daily challenges, and Game Center integration for a brain-teasing experience.
- 360 levels across three difficulty modes
- Mark tiles and exclude colors
- Unlockable hints for incorrect guesses
- Game Center integration (leaderboards, achievements, sync)
- Daily Game Mode with new levels
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MindGrid is a challenging logic puzzle game! In the game you’re provided with a set of predefined rows. Each of these rows provides clues, indicating how many tiles are correctly placed and how many are misplaced. Your goal? Use logic and deduction to determine the correct placement of colored tiles in a single attempt. Features: - 360 levels across three difficulty modes - Compete against other players in Level of the Day - Mark tiles and exclude colors to track your progress - Unlockable hints for incorrect guesses - Game Center integration: leaderboards, achievements, and progress sync across devices - Play new levels every day in Daily Game Mode* Put your puzzle-solving skills to the test and enjoy hours of brain-teasing fun! * Daily Game Mode is a one-time purchase unlocking 24 new levels every day. Free version is limited to 2 levels every day in addition to standard 360 levels. Privacy Policy: https://mindgrid.thanel.me/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: MindGrid at none against Crystal Math's shown. Crystal Math's advantage is update cadence (every 2 weeks vs every 9 months) and rating (5.0 vs 4.8). On price, review sentiment, ratings volume 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. Crystal Math sells 3 one-off in-app purchases and MindGrid sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Crystal Math holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Crystal Math ships an update every 2 weeks, MindGrid every 9 months. Both last shipped on October 24, 2026.
| Parameter | Crystal Math | MindGrid |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 4.8 (5 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 2 weeks — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 28 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Rafael Kolloch | Lukasz Rutkowski |
Customer experience
Crystal Math
MindGrid
In-app purchases
Crystal Math
- Hipster$0.99
- Famous$0.99
- Cinema$0.99
MindGrid
- 10 Keys$0.99
- 25 Keys$1.99
- 50 Keys$2.99
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- Daily Game Mode$4.99









