| Core Identity |
| Developer | LIHUHU PTE. LTD. | Easybrain | PlayStudios | Gram Games | Tripledot Studios | Easybrain Ltd | Fanatee | BitMango, Inc. |
| Category | Games | Puzzle | Games | Games | Games | Games | Games | Games |
| Platform | Android, iOS | Android | iOS, Android | Android, iOS | Android, iOS | iOS | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.5 / 5 | 4.5 / 5 | 4.5 / 5 | 4.3 / 5 | 4.7 / 5 | 4.8 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 124 | 1,263,159 | 452,234 | 22,790 | 656,220 | 1,816,450 | 283,379 | 7,609 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Aug 12, 2019 | Nov 22, 2019 | Jan 22, 2020 | Sep 25, 2014 | Mar 11, 2020 | Mar 30, 2017 | Mar 8, 2017 | Nov 15, 2018 |
| Last Updated | Oct 9, 2019 | Mar 24, 2026 | Apr 14, 2026 | Apr 17, 2026 | May 28, 2026 | Mar 24, 2026 | May 5, 2026 | Apr 9, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | terrible | negative | mixed | negative | mixed | - |
| Score | 45/100 | 55/100 | 15/100 | 25/100 | 45/100 | 22/100 | 35/100 | - |
| Praises | - The core puzzle mechanics provide a satisfying and addictive mental challenge for long-term players
- Simple and accessible gameplay design allows for quick sessions without unnecessary complexity
| - Engaging Gameplay
- Simple and Accessible
| - Core gameplay mechanics remain faithful to the nostalgic original experience for long-term players
| - Core puzzle gameplay remains a meditative and addictive experience for long-term players
| - 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 | - Aggressive ad frequency post-update interrupts the flow of gameplay for established users
- Broken ad-removal purchases fail to suppress advertisements even after payment or active subscription
- Missing hint functionality in recent builds makes extreme difficulty levels impossible to complete
| - Excessive Advertising
- Rigged Difficulty
| - Aggressive ad frequency and forced ad-walls interrupt the flow of gameplay after every round
| - Post-update technical instability causes frequent freezing and system-wide device crashes
- Aggressive monetization and forced ad frequency degrade the classic user experience
| - Excessive ad frequency interrupts the flow of gameplay and forces frequent app restarts
| - Excessive Ad Frequency
- Malicious Ad Content
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - |
| Requests | - Restoration of hint functionality to assist players stuck on extreme difficulty levels
| - | - Permanent one-time payment option to remove advertisements instead of the current monthly subscription
| - Classic mode toggle requested to remove intrusive new features and frenzy modes
| - 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 | - 6000+ puzzle library functions as a content-based retention barrier
- Google Play Games integration provides a social competition loop
- Simple mechanics lower the barrier to entry for casual users
| - Massive social proof (1.2M+ ratings)
- Unique 9x9 Sudoku clearing mechanic
- Strong live-ops with Seasonal Events and animated rewards
| - Globally recognized brand equity sustains organic install velocity
- myVIP loyalty program creates a B2B distribution moat into hospitality partnerships
| - Infinite-grid mechanic provides meditative, low-cognitive-load experience
- Established brand presence across mobile stores
| - Meditative puzzle loop sustains daily habit
- Offline-first architecture captures transit-based engagement
| - 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
| - 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 | - Ad-removal purchase verification failure post-update
- Missing hint functionality in latest builds
- Aggressive ad frequency post-update
| - Aggressive ad frequency (top churn risk)
- Perceived 'rigged' difficulty spikes
- Misleading UA creative vs actual gameplay
| - Subscription-only ad removal model creates high churn
- Forced online connectivity requirements cause frequent boot failures
| - Technical instability causes system-wide device crashes
- Aggressive ad-frequency degrades core user experience
- 24-hour play limits frustrate veteran players
| - Aggressive ad-load triggers high churn
- Post-update stability issues erode trust
- No paid ad-free tier
| - Aggressive mid-game ad interruptions
- High $18 ad-removal price point
- Lack of Dark Mode for night-time play
| - 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 | freemium |
| Momentum | Zombie | - | Active | Active | Active | Maintenance | Active | Intense |
| Update Cadence | 2 versions, ~1812d avg | - | 5 versions, ~5d avg | 5 versions, 4 majors/6mo, ~6d avg | 5 versions, ~10d avg | 2 versions, ~29d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions |
