| Core Identity |
| Developer | Superboost Soft Limited | Jam City, Inc. | LINE (LY Corporation) | BigLime Limited | Two Desperados Ltd | Guru Smart Holding Limited | Easybrain | Lion Cube Studio |
| Category | Puzzle | Puzzle | Puzzle | Puzzle | Puzzle | Games | Puzzle | Puzzle |
| Platform | Android, iOS | Android | iOS, Android | Android | Android | iOS, Android | Android | Android, iOS |
| Store Metrics |
| Rating | 4.0 / 5 | 4.7 / 5 | 4.7 / 5 | 4.7 / 5 | 4.5 / 5 | 4.8 / 5 | 4.5 / 5 | 4.7 / 5 |
| Ratings Count | 3 | 1,217,567 | 1,776 | 137,519 | 182,309 | 118,508 | 1,263,159 | 218,842 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Feb 16, 2026 | Jan 9, 2014 | Apr 24, 2015 | May 5, 2024 | Jan 22, 2016 | Dec 27, 2021 | Nov 22, 2019 | Nov 1, 2023 |
| Last Updated | Feb 16, 2026 | Apr 7, 2026 | Apr 7, 2026 | Apr 7, 2026 | Dec 25, 2025 | May 15, 2026 | Mar 24, 2026 | May 4, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | positive | mixed | - | - | mixed | mixed | - |
| Score | 25/100 | 75/100 | 45/100 | - | - | 45/100 | 55/100 | - |
| Praises | - Satisfying core puzzle mechanics provide a relaxing time-wasting experience for casual players
- Adjustable conveyor speed settings allow players to control the pace of their gameplay
| - Core bubble-popping gameplay loop provides a relaxing and mentally stimulating experience for long-term players
| - Core bubble-popping gameplay loop provides long-term entertainment for dedicated players
- Character designs and visual presentation maintain high appeal for long-term fans
| - | - | - Relaxing puzzle mechanics provide a reliable way to decompress during short daily play sessions
- Brain-training challenge levels keep the core sorting loop engaging for long-term active players
| - Engaging Gameplay
- Simple and Accessible
| - |
| Complaints | - Aggressive and deceptive advertising practices force long, unskippable ads after every single level
- Forced internet connectivity requirements trigger constant, intrusive pop-ups that disrupt offline gameplay sessions
- Artificial difficulty spikes in later levels force reliance on paid power-ups to progress
| - Aggressive monetization and pay-to-win mechanics frustrate players during difficult level progression post-update
| - Aggressive monetization and pay-to-win mechanics gate progress at higher levels
- Technical instability and bugs following recent updates disrupt the user experience
| - | - | - Excessive ad frequency disrupts the core gameplay loop and makes the experience feel unplayable
- Monetization friction occurs when ad-free purchases fail to remove mandatory advertisements during gameplay
- Technical instability and unresponsive ad interfaces prevent users from progressing through the game
| - Excessive Advertising
- Rigged Difficulty
| - |
| Requests | - Increased coin rewards for higher levels to balance the high cost of power-ups
| - Improved reward transparency and balance for players who do not make in-app purchases
| - Account recovery options for users who lose access to linked social platforms
| - | - | - In-game currency redemption system for earned coins to provide tangible value for player effort
| - | - |
| Strategic Intel |
| Strengths | - Satisfying visual feedback loops reinforce core interactions
- Adjustable conveyor speed settings provide player-controlled pacing
- Core puzzle loop functions as a reliable retention anchor
| - Offline-first architecture sustains retention in low-connectivity environments
- 4000+ level library provides long-term content depth
- Thematic panda-rescue narrative creates consistent emotional hooks
| - LINE ecosystem integration enables social network effects
- Character-driven aesthetic sustains long-term fan loyalty
- Club-exclusive content drives community-based retention
| - | - | - ASMR-focused branding differentiates the core loop from clinical sorting rivals
- Offline-first architecture captures users in low-connectivity regions
- Progressive difficulty sustains challenge-reward loops for long-term players
| - Massive social proof (1.2M+ ratings)
- Unique 9x9 Sudoku clearing mechanic
- Strong live-ops with Seasonal Events and animated rewards
| - |
| Weaknesses | - Aggressive ad frequency drives high uninstallation rates
- Forced internet connectivity disrupts offline play
- Artificial difficulty spikes create a pay-to-win perception
| - Aggressive ad frequency disrupts core gameplay flow
- Technical instability post-update causes progress loss
- Reduced reward transparency for non-paying players
| - 0.4★ Android-iOS rating gap
- Aggressive monetization gates higher-level progression
- Lack of robust account recovery options
| - | - | - Ad-free purchase failure creates a direct trust deficit
- Ad-to-gameplay ratio is the #1 churn driver in reviews
- Technical instability during ad transitions prevents level progression
| - Aggressive ad frequency (top churn risk)
- Perceived 'rigged' difficulty spikes
- Misleading UA creative vs actual gameplay
| - |
| Pricing | freemium | freemium | freemium | free | freemium | freemium | freemium | freemium |
| Momentum | Maintenance | Steady | Active | - | - | Active | - | Intense |
| Update Cadence | 4 versions, ~31d avg | 2 versions, 1 majors/6mo, ~33d avg | 5 versions, 5 majors/6mo, ~19d avg | - | - | 5 versions, 2 majors/6mo, ~15d avg | - | 5 versions |