| Core Identity |
| Developer | Wuhan Dobest Information Technology Co, Ltd. | Easybrain Ltd | PLAYTOUCH | Tim O's Studios, LLC | EYEWIND LIMITED | Fanatee | Oakever Games | Vita Studio |
| Category | Games | Games | Games | Games | Games | Games | Games | Games |
| Platform | iOS | iOS | iOS | iOS | Android, iOS | Android, iOS | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 4.8 / 5 | 4.8 / 5 | 4.5 / 5 | 4.7 / 5 | 4.6 / 5 | 4.7 / 5 | 4.7 / 5 | 4.8 / 5 |
| Ratings Count | 515 | 1,816,450 | 147 | 17,167 | 245,227 | 283,379 | 396,242 | 458,435 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Apr 21, 2016 | Mar 30, 2017 | Aug 3, 2018 | Mar 28, 2014 | Oct 6, 2019 | Mar 8, 2017 | Nov 9, 2021 | Apr 25, 2023 |
| Last Updated | Apr 2, 2026 | Mar 24, 2026 | Nov 5, 2024 | Oct 27, 2025 | Dec 28, 2025 | May 5, 2026 | Apr 15, 2026 | May 14, 2026 |
| Sentiment & Reviews |
| Sentiment | - | negative | - | - | positive | mixed | mixed | mixed |
| Score | - | 22/100 | - | - | 75/100 | 35/100 | 45/100 | 65/100 |
| Praises | - | | - | - | - Logical puzzle mechanics provide a sharp mental workout for casual players during downtime
- Offline accessibility allows for uninterrupted play without requiring an active internet connection
| - Educational crossword mechanics provide a relaxing and mentally stimulating daily habit for long-term players
| - Relaxing puzzle gameplay provides a calming mental escape for users during daily downtime
| - Large card visuals and clear layout design assist seniors in maintaining focus during long play sessions
|
| Complaints | - | - Excessive Ad Frequency
- Users report: malicious Ad Content
| - | - | - Excessive advertisement frequency disrupts the flow of gameplay after every single level
- Inappropriate hint content in specific levels raises concerns regarding child safety
| - Aggressive ad frequency and intrusive ad behavior disrupt the core gameplay loop post-update
| - Aggressive ad frequency and intrusive ad behavior disrupt the core relaxing experience
| - Users report: aggressive advertisement frequency and deceptive exit buttons disrupt the flow of the game for many users
|
| Requests | - | - | - | - | - Reduced advertisement frequency or an option to play without constant interruptions
| - Permanent ad-free purchase option requested to replace the current high-cost monthly subscription model
| - Paid subscription or one-time purchase option to remove advertisements permanently
| - One-time purchase option to permanently remove advertisements and support the developers without ongoing interruptions
|
| Strategic Intel |
| Strengths | - Multi-grid difficulty levels (4x4, 6x6, 9x9) provide progressive skill-based retention.
| - 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
| - | - | - High-frequency puzzle completion drives session length
- Offline-first architecture ensures utility in low-connectivity environments
| - 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
| - Offline-first architecture enables session continuity in low-connectivity environments
- 60,000-puzzle library provides a massive content-moat for long-term engagement
| - Large-card accessibility design reduces friction for the senior demographic
- Minimalist interface minimizes cognitive load for long-term retention
|
| Weaknesses | - Lack of a daily-challenge ecosystem reduces long-term player habituation.
| - Aggressive mid-game ad interruptions
- High $18 ad-removal price point
- Lack of Dark Mode for night-time play
| - | - | - Aggressive ad-to-gameplay ratio triggers high churn
- Technical instability during touch-based interactions hinders progression
| - 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 high churn among long-term users
- Post-update technical regressions cause significant battery drain
| - Aggressive ad-frequency drives negative sentiment
- Lack of one-time purchase option limits conversion
|
| Pricing | freemium | freemium | free | freemium | freemium | freemium | freemium | freemium |
| Momentum | Intense | Maintenance | - | Steady | Maintenance | Active | Active | Maintenance |
| Update Cadence | 5 versions | 2 versions, ~29d avg | - | 5 versions | 5 versions, ~83d avg | 5 versions, 5 majors/6mo, ~16d avg | 5 versions, ~11d avg | 5 versions, ~10d avg |