| Core Identity |
| Developer | 柳 宋 | IEC Global Pty Ltd | Appcelent Studio | Bluetile Games S.L. | Easybrain | HM Games Pty Ltd | HM Games Pty Ltd |
| Category | Entertainment | Puzzle | Games | Games | Puzzle | Games | Games |
| Platform | Android, iOS | iOS, Android | iOS, Android | Android, iOS | Android | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 0.0 / 5 | 4.7 / 5 | 4.5 / 5 | 4.7 / 5 | 4.5 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 0 | 324,287 | 6,915 | 96,829 | 1,263,159 | 232,793 | 2,660 |
| Price | USD0.99 | Free | Free | Free | Free | Free | Free |
| Release Date | Mar 25, 2026 | Jun 26, 2020 | Sep 18, 2021 | Apr 19, 2022 | Nov 22, 2019 | Jan 13, 2020 | Dec 20, 2025 |
| Last Updated | Mar 26, 2026 | Apr 20, 2026 | Mar 17, 2026 | Mar 5, 2026 | Mar 24, 2026 | Apr 22, 2026 | Apr 17, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | - | mixed | mixed | negative | - |
| Score | 35/100 | 25/100 | - | 65/100 | 55/100 | 25/100 | - |
| Praises | - Simple and accessible puzzle mechanics provide effective stress relief for casual players
- Core sorting gameplay loop remains engaging for long-term puzzle enthusiasts
| - Core puzzle mechanics provide a relaxing and mentally stimulating experience for casual daily play
| - | - Calming puzzle mechanics provide effective stress relief and mental stimulation for casual players
| - Engaging Gameplay
- Simple and Accessible
| - Core puzzle mechanics provide a relaxing and addictive experience for casual play sessions
| - |
| Complaints | - Aggressive ad frequency and forced redirects disrupt the core gameplay experience
- Progress loss and level resets following the latest update frustrate long-term players
| - Post-update visual changes introduce distracting glare effects that cause eye strain and visibility issues
| - | - Excessive ad frequency disrupts the flow of gameplay and creates a negative user experience
| - Excessive Advertising
- Rigged Difficulty
| - Rewarded ad functionality fails to deliver promised perks after the latest update
| - |
| Requests | - Account recovery and cloud sync features to restore lost progress
| - Toggle settings for visual effects to allow players to revert to the original flat design
| - | - Expanded utility for in-game gold currency to purchase helpful items or power-ups
| - | - Account synchronization or cloud save functionality to prevent progress loss on new devices
| - |
| Strategic Intel |
| Strengths | - Apple Watch port provides a differentiated form-factor entry point
- Offline-first architecture sustains engagement in low-connectivity environments
| - Offline-first architecture enables play in low-connectivity environments
- Simple one-finger input maximizes top-of-funnel acquisition
| - | - Therapeutic audio-visual feedback loop sustains high user engagement [Sentiment Analysis]
- Linear level progression map maximizes ad-impression inventory [Feature Analysis]
| - Massive social proof (1.2M+ ratings)
- Unique 9x9 Sudoku clearing mechanic
- Strong live-ops with Seasonal Events and animated rewards
| - Minimalist UI reduces cognitive load for casual players
- 2D design ensures accessibility for color-blind users
| - High user rating (4.74) indicating strong product-market fit
- Unique conveyor belt mechanic provides visual differentiation
- Polished, accessible core gameplay loop
|
| Weaknesses | - Progress-loss bugs following the latest update
- Aggressive ad-redirects disrupting gameplay
- Failing ad-reward economy gating progression
| - High ad-density disrupts core gameplay flow
- Visual update causes physical eye strain
- Lack of reliable cloud-save sync
| - | - Ad-frequency creates high friction for casual users [Sentiment Analysis]
- Technical instability post-update causes crashes [Sentiment Analysis]
| - Aggressive ad frequency (top churn risk)
- Perceived 'rigged' difficulty spikes
- Misleading UA creative vs actual gameplay
| - Rewarded ad-trigger failure post-update
- Ad-free purchase discrepancy
- Lack of cloud-save functionality
| - Absence of social media presence limits community engagement
- Monetization appears limited to ad-based revenue
- Lack of brand depth on official website
|
| Pricing | freemium | freemium | free | freemium | freemium | freemium | free |
| Momentum | Maintenance | Active | Intense | Maintenance | - | Maintenance | - |
| Update Cadence | 2 versions, ~4d avg | 5 versions, 1 majors/6mo, ~21d avg | 5 versions | 3 versions, 2 majors/6mo, ~29d avg | - | 5 versions, ~16d avg | - |
