| Core Identity |
| Developer | Shanghai Diguo Network Technology Co., Ltd. | ssteam | Kristanix AS | ZiMAD | DoraLogic | Stella Joy Studio | Easybrain Ltd | Crimson Pine Games |
| Category | Puzzle | Puzzle | Games | Games | Games | Puzzle | Games | Lifestyle |
| Platform | iOS, Android | Android, iOS | Android, iOS | Android, iOS | iOS, Android | Android, iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 4.7 / 5 | 4.7 / 5 | 4.7 / 5 | 4.8 / 5 | 4.7 / 5 | 4.8 / 5 | 4.6 / 5 | 4.8 / 5 |
| Ratings Count | 1,085,177 | 1,085,177 | 48,113 | 384,122 | 26,327 | 6,659 | 269,300 | 1,580 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Jun 26, 2018 | Jun 26, 2018 | Jul 16, 2014 | Jul 21, 2011 | Mar 29, 2017 | Jun 19, 2025 | Dec 15, 2020 | Sep 7, 2022 |
| Last Updated | Apr 7, 2026 | Apr 7, 2026 | Apr 26, 2026 | Apr 19, 2026 | Nov 18, 2025 | Apr 16, 2026 | Mar 6, 2026 | Jan 28, 2026 |
| Sentiment & Reviews |
| Sentiment | positive | - | positive | positive | - | - | positive | - |
| Score | 75/100 | - | 82/100 | 75/100 | - | - | 78/100 | - |
| Praises | - Relaxing puzzle mechanics provide a soothing experience for casual players seeking daily stress relief
| - | - The ability to rotate puzzle pieces like physical jigsaws provides a satisfying tactile experience
| - Diverse puzzle variety and customizable difficulty settings provide a relaxing daily mental exercise for players
| - | - | - Engaging Gameplay
- Mental Stimulation
| - |
| Complaints | - Excessive ad frequency post-update disrupts the flow and creates a negative user experience
| - | - Aggressive and intrusive advertising patterns disrupt the flow of the puzzle experience
| - Frequent application freezes and performance instability following the latest update disrupt the core gameplay loop
| - | - | - Excessive Advertising
- Technical/UX Issues
| - |
| Requests | - Manual puzzle completion and board management features to improve user control over the experience
| - | - A one-time purchase option to permanently remove advertisements from the game experience
| - Implementation of a preview feature to view the completed image before starting a new puzzle
| - | - | - | - |
| Strategic Intel |
| Strengths | - Offline-first architecture enables access in low-connectivity segments
- Daily content loop drives high DAU/MAU ratios
- Difficulty scaling matches skill levels to maintain session length
| - Daily content gallery sustains organic install velocity
- Mystery Puzzle mechanic creates a recurring retention loop
| - 10-year brand heritage sustains organic install velocity
- 20,000+ puzzle library functions as a content-depth moat
- Offline-first architecture captures low-connectivity segments
| - Exclusive IP partnerships provide high-value content differentiation
- Large-scale community features foster deeper social engagement
- Monochrome accessibility mode expands addressable market
| - | - | - Massive market authority (2M+ ratings)
- Unique Animated Art Reveal rewards
- Clean, minimalist UI/UX design
| - |
| Weaknesses | - Ad frequency post-update disrupts core gameplay flow
- Technical bugs like missing pieces erode user trust
- Absence of granular audio controls limits user customization
| - 0 rating on Android platform
- No cloud-save functionality
- Ad-heavy monetization model
| - Aggressive ad-frequency post-update drives 1★ review spikes
- Lack of one-time ad-removal purchase limits monetization ceiling
- Technical instability on Android persists post-update
| - Frequent application freezes post-update disrupt core gameplay
- Aggressive ad patterns degrade user experience
- Paywall friction on previously purchased content
| - | - | - High ad-load frequency causing user irritation
- UX friction in piece-placement mechanics
- Lack of narrative or meta-progression
| - |
| Pricing | freemium | freemium | freemium | freemium | freemium | free | freemium | subscription |
| Momentum | Maintenance | Maintenance | Maintenance | Active | Intense | - | - | Intense |
| Update Cadence | 3 versions, ~20d avg | 2 versions, ~8d avg | 5 versions, ~33d avg | 5 versions, 2 majors/6mo, ~9d avg | 5 versions | - | - | 5 versions |