Blockudoku - Block Puzzle Game vs Flow Free

How do Blockudoku - Block Puzzle Game and Flow Free compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

 Blockudoku - Block Puzzle Game iconBlockudoku - Block Puzzle GameFlow Free iconFlow Free
GenreBoardBoard
PriceFreeFree
Difficultymediumvariable
Ad intensityhighmedium
In-app-purchase pressurelowlow
Typical sessionmediumvariable
Rating4.7 / 54.8 / 5
Ratings count655,354398,384
Reviews say
What players like
  • Addictive puzzle mechanics
  • No time pressure lets you plan ahead
  • Satisfying line and square combos
Common complaints
  • Ads freeze screen and require restart
  • Ad frequency excessive (multiple per level and between moves)
  • App crashes after recent updates
What players like
  • Hundreds of free levels and daily puzzles
  • Smooth, polished gameplay with gradual difficulty progression
  • Relaxing and meditative experience
Common complaints
  • Excessive ads even after purchasing ad-free version
  • Ad-free purchase doesn't actually remove ads (especially for hints)
  • Game stability issues and broken daily/weekly puzzles

Blockudoku - Block Puzzle Game — A Sudoku-block puzzle hybrid where you drop pieces to clear lines and squares on a 9x9 grid. (rated medium difficulty, high ad pressure) Flow Free — Connect matching colors with pipes to fill the board in this addictive, relaxing puzzle game with hundreds of free levels. (rated variable difficulty, medium ad pressure)

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Data: Apple App Store, as of 2026-07-10. Last updated 2026-07-10.