| Core Identity |
| Developer | Guru Smart Holding Limited | Tripledot Studios | Easybrain Ltd | Easybrain Ltd | Tripledot Studios | Fanatee | Shanghai Diguo Network Technology Co., Ltd. |
| Category | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS | iOS, Android | Android, iOS | iOS |
| Store Metrics |
| Rating | 4.9 / 5 | 4.8 / 5 | 4.6 / 5 | 4.8 / 5 | 4.7 / 5 | 4.7 / 5 | 4.6 / 5 |
| Ratings Count | 240,016 | 118,677 | 190,336 | 1,816,450 | 656,118 | 283,379 | 17,522 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Jun 6, 2023 | Feb 29, 2024 | Mar 8, 2019 | Mar 30, 2017 | Mar 11, 2020 | Mar 8, 2017 | Aug 1, 2024 |
| Last Updated | May 9, 2026 | Apr 27, 2026 | Feb 23, 2026 | Mar 24, 2026 | May 28, 2026 | May 5, 2026 | Feb 13, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | negative | negative | mixed | mixed | - |
| Score | 55/100 | 35/100 | 35/100 | 22/100 | 45/100 | 35/100 | - |
| Praises | - Challenging math puzzles provide effective brain training and cognitive stimulation for students and adults
| - Core math puzzle mechanics provide an engaging and educational brain training experience for players
| - Core Gameplay Enjoyment
- Relaxing Experience
| | - Meditative and soothing puzzle mechanics provide a reliable daily stress relief habit for players
| - Educational crossword mechanics provide a relaxing and mentally stimulating daily habit for long-term players
| - |
| Complaints | - Excessive and intrusive ad frequency disrupts the core gameplay flow and creates frustration
| - Aggressive ad frequency post-update disrupts the flow of gameplay and forces unwanted interruptions
- Transition from a life-based system to a move-limited system creates artificial difficulty and monetization pressure
| - Excessive Advertising
- UI/UX Limitations
| - Excessive Ad Frequency
- Malicious Ad Content
| - Excessive ad frequency interrupts the flow of gameplay and forces frequent app restarts
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - |
| Requests | - Cross-device progress synchronization is needed to maintain user data when switching hardware
| - Implementation of a dark mode interface to reduce eye strain during nighttime play sessions
| - | - | - Purchase option for an ad-free experience to remove current monetization friction
| - Permanent ad-free purchase option requested to replace the current high-cost monthly subscription model
| - |
| Strategic Intel |
| Strengths | - Arithmetic-based loop drives daily brain-training habit
- Difficulty-scaling accommodates diverse skill levels
| - Educational positioning targets serious student demographics
- Offline-first architecture maintains session frequency in low-connectivity segments
| - Massive user base (1M+ ratings) providing high social proof
- Advanced live-ops engine with Tournaments and Seasonal Events
- Clean, minimalist design that appeals to casual users
| - Massive scale (1.8M+ ratings) providing high ASO authority
- Strong live-ops via Seasonal Events and Daily Challenges
- Clean, preferred UI for core Sudoku gameplay
| - Meditative puzzle loop sustains daily habit
- Offline-first architecture captures transit-based engagement
| - Narrative-driven world progression sustains long-term retention
- 11-language library functions as a B2B distribution barrier
- Trivia-based crossword mechanics provide a high-frequency daily habit
| - |
| Weaknesses | - Excessive ad frequency drives negative sentiment
- Lack of cross-device sync causes progress loss
| - Premium tier price point exceeds category median
- Move-limited system triggers high-frequency churn complaints
- No persistent statistics module to track user progress
| - Aggressive ad strategy interrupting active gameplay
- Lack of zoom/scroll functionality for large grids
- Alienating reward structure changes (keys/books system)
| - Aggressive mid-game ad interruptions
- High $18 ad-removal price point
- Lack of Dark Mode for night-time play
| - Aggressive ad-load triggers high churn
- Post-update stability issues erode trust
- No paid ad-free tier
| - Aggressive ad frequency disrupts the core gameplay loop
- Technical instability post-update causes loading failures
- No permanent ad-free purchase option for loyal users
| - |
| Pricing | freemium | freemium | freemium | freemium | freemium | freemium | freemium |
| Momentum | Active | Intense | - | Maintenance | Active | Active | Active |
| Update Cadence | 5 versions, 4 majors/6mo, ~12d avg | 5 versions, ~5d avg | - | 2 versions, ~29d avg | 5 versions, ~10d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions |
