| Core Identity |
| Developer | Irina Schens | Mango Umbrella LLC | NixGame | Eli Bitton | Nicholas Wilson | sohil kadevar | Kristanix AS | GS Developer Group | Ca Li Sa | Shuji Hara |
| Category | Games | Games | Puzzle | Games | Games | Games | Games | Casual | Education | Games |
| Platform | iOS | iOS | Android | iOS | iOS | iOS | Android, iOS | Android | iOS | iOS, Android |
| Store Metrics |
| Rating | 4.3 / 5 | 4.6 / 5 | 0.0 / 5 | 0.0 / 5 | 0.0 / 5 | 3.7 / 5 | 4.7 / 5 | 0.0 / 5 | 5.0 / 5 | 0.0 / 5 |
| Ratings Count | 2,769 | 8 | 0 | 0 | 0 | 12 | 48,113 | 0 | 1 | 0 |
| Price | Free | Free | Free | Free | $0.99 | Free | Free | Free | Free | Free |
| Release Date | Oct 21, 2011 | Dec 12, 2013 | Aug 15, 2017 | Jan 23, 2017 | Feb 18, 2012 | Jun 16, 2019 | Jul 16, 2014 | May 27, 2021 | Oct 20, 2018 | Mar 18, 2026 |
| Last Updated | Mar 22, 2026 | Jul 11, 2018 | Aug 5, 2025 | Jan 23, 2017 | May 9, 2026 | Jun 16, 2019 | Apr 26, 2026 | Jan 31, 2024 | Oct 20, 2018 | Mar 20, 2026 |
| Sentiment & Reviews |
| Sentiment | positive | - | positive | - | - | - | positive | - | - | - |
| Score | 75/100 | - | 80/100 | - | - | - | 82/100 | - | - | - |
| Praises | - Memory matching mechanics provide effective brain training for both children and senior citizens
| - | - The core gameplay loop provides a reliable and engaging experience for professional selection processes
| - | - | - | - The ability to rotate puzzle pieces like physical jigsaws provides a satisfying tactile experience
| - | - | - |
| Complaints | - Lack of clear progression paths leaves players confused about how to unlock new levels
| - | - Persistent logic errors occur where the final result is always calculated as one
- Lack of granular audio controls prevents users from silencing the game during use
| - | - | - | - Aggressive and intrusive advertising patterns disrupt the flow of the puzzle experience
| - | - | - |
| Requests | - Competitive scoring system for multiple players to track performance during local matches
| - | - Implementation of a dark theme interface to improve visual comfort during extended usage
| - | - | - | - A one-time purchase option to permanently remove advertisements from the game experience
| - | - | - |
| Strategic Intel |
| Strengths | - 400+ custom-designed cards provide a visual variety moat
- Universal iOS support captures the full Apple hardware segment
| - 3D spatial mechanics provide a unique tactile feel distinct from flat UI
- Game Center integration offers basic social validation
| - Minimalist design reduces cognitive load for casual sessions
- Core loop serves as a niche tool for professional selection testing
| - | - Focused cognitive training niche targets specific spatial memory recall
- Ad-free, single-purchase model avoids monetization friction
| - | - 10-year brand heritage sustains organic install velocity
- 20,000+ puzzle library functions as a content-depth moat
- Offline-first architecture captures low-connectivity segments
| - | - | - Zero-tolerance mechanic creates a distinct, high-tension gameplay loop
|
| Weaknesses | - 1★ reviews cite progression confusion
- Ad frequency disrupts the relaxing user experience
- No cloud-save functionality
| - No monetization model limits development
- Last update occurred in 2018
- Lacks daily retention loops found in rival apps
| - Persistent calculation bugs erode trust in the training logic
- Lack of granular audio controls forces users to mute entire devices
| - | - No cloud-save functionality despite user demand
- $0.99 entry barrier limits top-of-funnel conversion
- Lack of social leaderboard integration
| - | - Aggressive ad-frequency post-update drives 1★ review spikes
- Lack of one-time ad-removal purchase limits monetization ceiling
- Technical instability on Android persists post-update
| - | - | - Total lack of social or competitive integration
|
| Pricing | free | free | freemium | free | paid | free | freemium | freemium | free | free |
| Momentum | Maintenance | - | - | - | Maintenance | - | Maintenance | - | - | Maintenance |
| Update Cadence | 1 versions | - | - | - | 1 versions | - | 5 versions, ~33d avg | - | - | 2 versions, ~1d avg |
