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Fill Shikaku vs its rivals

Side-by-side comparison against Fill Shikaku's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Fill Shikaku
This App
100 Logic Games - Time Killers
Nemesis
Flow Free: Warps
Contender
Nonogram.com - Number Games
Peer
Sudoku - Classic Sudoku Puzzle
Peer
Logic Grid Puzzles
New Kid
Number Match - Fun Puzzle Game
New Kid
Core Identity
DeveloperVoodooAndrea SabbatiniBig Duck Games LLCEasybrain LtdOakever GamesEgghead Games LLCShanghai Diguo Network Technology Co., Ltd.
CategoryGamesGamesGamesGamesPuzzleGamesGames
PlatformiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidAndroidiOS, AndroidiOS
Store Metrics
Rating4.5 / 54.7 / 54.7 / 54.6 / 54.8 / 54.9 / 54.6 / 5
Ratings Count3,1056845,160190,3362,942,65938,16817,522
PriceFreeFreeFreeFreeFreeFreeFree
Release DateOct 1, 2022Feb 18, 2012Aug 8, 2017Mar 8, 2019Jul 27, 2018Sep 30, 2014Aug 1, 2024
Last UpdatedJan 24, 2025Mar 20, 2023Jan 16, 2026Feb 23, 2026Apr 16, 2026Apr 4, 2026Feb 13, 2026
Sentiment & Reviews
Sentimentnegative-mixednegativemixed--
Score25/100-65/10035/10057/100--
Praises
  • Core puzzle mechanics provide a satisfying and challenging brain training experience for casual players
-
  • Challenging puzzle mechanics provide a satisfying mental workout for long-term daily players
  • Core Gameplay Enjoyment
  • Relaxing Experience
  • Mental Stimulation & Brain Training
--
Complaints
  • Aggressive ad frequency and mid-level interruptions destroy the flow of the core puzzle experience
-
  • Aggressive full-screen advertisements interrupt gameplay and occasionally redirect users to external stores
  • Excessive Advertising
  • UI/UX Limitations
  • Intrusive & Deceptive Advertising
  • Battery Drain & Overheating
--
Requests--
  • Cloud synchronization for progress and streak data to prevent loss during device transitions
----
Strategic Intel
Strengths
  • Core puzzle logic provides high-frequency session potential
  • Gesture-based input lowers the barrier to entry
-
  • Warp mechanic differentiates from standard grid-puzzles
  • Daily puzzle cadence drives recurring habit formation
  • Massive user base (1M+ ratings) providing high social proof
  • Advanced live-ops engine with Tournaments and Seasonal Events
  • Clean, minimalist design that appeals to casual users
  • Massive scale (2.9M+ ratings) providing high social proof
  • Unique 16x16 grid differentiator
  • Strong offline functionality
--
Weaknesses
  • Ad-removal IAP failure reported in reviews
  • Aggressive ad frequency during active gameplay
  • Technical instability in ad-delivery modules
-
  • Technical instability during ad playback causes crashes
  • Lack of reliable cloud sync triggers data loss
  • Aggressive ad strategy interrupting active gameplay
  • Lack of zoom/scroll functionality for large grids
  • Alienating reward structure changes (keys/books system)
  • Battery optimization issues causing device overheating
  • Deceptive ad UX (fake close buttons) driving high-frequency complaints
  • Lower update velocity compared to top-tier peers
--
Pricingfreemiumfreemiumfreemiumfreemiumfreemiumfreemiumfreemium
MomentumZombieMaintenanceMaintenance-MaintenanceIntenseActive
Update Cadence5 versions, 2 majors/6mo, ~155d avg5 versions2 versions, 2 majors/6mo, ~1d avg-2 versions, ~14d avg5 versions5 versions

Compare Fill Shikaku head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Fill Shikaku, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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