| Core Identity |
| Developer | Guru Smart Holding Limited | Easybrain Ltd | PeopleFun CG, LLC | Oakever Games | Lahana Games | Fanatee | Vita Studio |
| Category | Games | Games | Games | Puzzle | Games | Games | Games |
| Platform | Android, iOS | iOS | Android, iOS | Android | iOS, Android | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 4.9 / 5 | 4.8 / 5 | 4.8 / 5 | 4.8 / 5 | 4.6 / 5 | 4.7 / 5 | 4.8 / 5 |
| Ratings Count | 81,637 | 1,816,450 | 651,692 | 2,942,659 | 160,824 | 283,379 | 458,435 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Feb 5, 2020 | Mar 30, 2017 | May 7, 2010 | Jul 27, 2018 | May 19, 2020 | Mar 8, 2017 | Apr 25, 2023 |
| Last Updated | Apr 7, 2026 | Mar 24, 2026 | Apr 30, 2026 | Apr 16, 2026 | Mar 30, 2026 | May 5, 2026 | May 14, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | negative | negative | mixed | terrible | mixed | mixed |
| Score | 25/100 | 22/100 | 35/100 | 57/100 | 18/100 | 35/100 | 65/100 |
| Praises | - Challenging expert puzzle levels provide consistent mental stimulation for long-term players
- Clean and accessible interface design supports comfortable play for older demographics
| | - Long-term engagement with the core puzzle mechanics keeps veteran players returning for years
| - Mental Stimulation & Brain Training
| | - Educational crossword mechanics provide a relaxing and mentally stimulating daily habit for long-term players
| - Large card visuals and clear layout design assist seniors in maintaining focus during long play sessions
|
| Complaints | - Intrusive and unskippable advertisements post-update force users to restart the application
- Misleading no-ads marketing claims frustrate users who purchased ad-free experiences
| - Excessive Ad Frequency
- Malicious Ad Content
| - Aggressive mid-game video advertisements interrupt the flow and concentration required for complex puzzle solving
| - Intrusive & Deceptive Advertising
- Battery Drain & Overheating
| - Excessive Ad Frequency
- Misleading Advertising
- Predatory Monetization
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - Aggressive advertisement frequency and deceptive exit buttons disrupt the flow of the game for many users
|
| Requests | - Clearer restoration path for previous ad-free purchases across new device installations
| - | - Paid ad-free experience or alternative monetization models to restore the original game quality
| - | - | - Permanent ad-free purchase option requested to replace the current high-cost monthly subscription model
| - One-time purchase option to permanently remove advertisements and support the developers without ongoing interruptions
|
| Strategic Intel |
| Strengths | - Offline-first architecture sustains DAU in transit
- Number-first input reduces friction for power 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
| - 36,000-puzzle library functions as a content-volume barrier
- Game Center integration drives social network effects
- Decade-long user history sustains organic install velocity
| - Massive scale (2.9M+ ratings) providing high social proof
- Unique 16x16 grid differentiator
- Strong offline functionality
| - Broad content variety (trivia, word games, and logic puzzles)
- Massive user base with over 2.1M ratings on Android
- Strong positioning for '7-second riddles' and mystery scenarios
| - 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
| - Large-card accessibility design reduces friction for the senior demographic
- Minimalist interface minimizes cognitive load for long-term retention
|
| Weaknesses | - Misleading ad-free purchase recovery flows
- Technical instability on high-end tablets
- Broken ad-exit mechanisms post-update
| - Aggressive mid-game ad interruptions
- High $18 ad-removal price point
- Lack of Dark Mode for night-time play
| - Mid-game ad frequency drives high churn
- Forced internet connectivity prevents offline play
- Performance regressions post-update
| - Battery optimization issues causing device overheating
- Deceptive ad UX (fake close buttons) driving high-frequency complaints
- Lower update velocity compared to top-tier peers
| - Extreme ad frequency (ad after every level)
- Uncompetitive $7/week subscription pricing
- Misalignment between UA creatives and actual gameplay
| - 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-frequency drives negative sentiment
- Lack of one-time purchase option limits conversion
|
| Pricing | freemium | freemium | free | freemium | freemium | freemium | freemium |
| Momentum | Maintenance | Maintenance | Active | Maintenance | Maintenance | Active | Maintenance |
| Update Cadence | 5 versions, ~14d avg | 2 versions, ~29d avg | 4 versions, 1 majors/6mo, ~15d avg | 2 versions, ~14d avg | 5 versions, ~19d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions, ~10d avg |
