| Core Identity |
| Developer | Hungry Studio | Easybrain Ltd | Oakever Games | GamoVation | Guru Smart Holding Limited | Fanatee | Tripledot Studios | Solitaire Games Studio |
| Category | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | iOS | iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | iOS |
| Store Metrics |
| Rating | 4.9 / 5 | 4.8 / 5 | 4.8 / 5 | 4.9 / 5 | 4.9 / 5 | 4.7 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 69,473 | 1,816,450 | 294,310 | 4,697 | 81,637 | 283,379 | 656,220 | 1,430 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Apr 7, 2022 | Mar 30, 2017 | Nov 29, 2018 | Feb 13, 2022 | Feb 5, 2020 | Mar 8, 2017 | Mar 11, 2020 | Mar 30, 2014 |
| Last Updated | Apr 20, 2026 | Mar 24, 2026 | Apr 23, 2026 | Jan 26, 2026 | Apr 7, 2026 | May 5, 2026 | May 28, 2026 | Feb 12, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | negative | mixed | - | negative | mixed | mixed | - |
| Score | 25/100 | 22/100 | 48/100 | - | 25/100 | 35/100 | 45/100 | - |
| Praises | - Logical puzzle mechanics provide a satisfying brain training experience for casual players
| | - Educational Hints
- UI Clarity
| - | - Challenging expert puzzle levels provide consistent mental stimulation for long-term players
- Clean and accessible interface design supports comfortable play for older demographics
| - Educational crossword mechanics provide a relaxing and mentally stimulating daily habit for long-term players
| - Meditative and soothing puzzle mechanics provide a reliable daily stress relief habit for players
| - |
| Complaints | - Aggressive ad frequency interrupts flow and breaks concentration during active puzzle solving
| - Excessive Ad Frequency
- Malicious Ad Content
| - Excessive Ad Frequency
- Intrusive Mid-Game Ads
| - | - Intrusive and unskippable advertisements post-update force users to restart the application
- Misleading no-ads marketing claims frustrate users who purchased ad-free experiences
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - Excessive ad frequency interrupts the flow of gameplay and forces frequent app restarts
| - |
| Requests | - Optional ad-free purchase tier to remove interruptions during gameplay sessions
| - | - | - | - Clearer restoration path for previous ad-free purchases across new device installations
| - Permanent ad-free purchase option requested to replace the current high-cost monthly subscription model
| - Purchase option for an ad-free experience to remove current monetization friction
| - |
| Strategic Intel |
| Strengths | - 40,000+ puzzle library sustains long-term content consumption
- Offline-first architecture maintains session frequency
| - 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
| - Educational hint system teaching strategy names
- Unique variants (Killer/Letter Sudoku)
- Real-time multiplayer tournaments
| - | - Offline-first architecture sustains DAU in transit
- Number-first input reduces friction for power users
| - 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
| - Meditative puzzle loop sustains daily habit
- Offline-first architecture captures transit-based engagement
| - |
| Weaknesses | - Aggressive ad-frequency interrupts core gameplay flow
- No cloud-save functionality for progress persistence
- Missing paid ad-free tier
| - Aggressive mid-game ad interruptions
- High $18 ad-removal price point
- Lack of Dark Mode for night-time play
| - Aggressive mid-game ad placement
- Contradictory 'Ad-Free' marketing claims
- Lack of cloud-syncing for progress
| - | - Misleading ad-free purchase recovery flows
- Technical instability on high-end tablets
- Broken ad-exit mechanisms post-update
| - Aggressive ad frequency disrupts the core gameplay loop
- Technical instability post-update causes loading failures
- No permanent ad-free purchase option for loyal users
| - Aggressive ad-load triggers high churn
- Post-update stability issues erode trust
- No paid ad-free tier
| - |
| Pricing | freemium | freemium | free | freemium | freemium | freemium | freemium | free |
| Momentum | Intense | Maintenance | Maintenance | Active | Maintenance | Active | Active | - |
| Update Cadence | 5 versions, ~6d avg | 2 versions, ~29d avg | 4 versions, ~12d avg | 5 versions | 5 versions, ~14d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions, ~10d avg | - |
