Flow Free review

Flow Free is the cleanest logic puzzle here. You connect pairs of matching colors with pipes so that every cell of the board is covered and no pipes cross, which sounds simple but gets demanding on large boards. Big Duck Games lists more than 2,500 free levels in Free Play mode, Daily Puzzles every day, 10 board sizes and 20 scored Time Trial variants, so you can choose between slow solving and racing the clock. Labels for color impaired players are a welcome touch that most rivals do not list. The paid side is honest: a single $4.99 purchase on the US App Store opens all packs and removes ads, and hints are sold separately from $0.99 for 5. It runs on iPhone, iPad and Apple silicon Macs, and it ranks below the top five because there is only one mechanic and no browser version. We compared documented features and published prices.

Who it is for

Adults who want clean, pure logic puzzles with clear rules and no story.

Price

Free to play; a one-time $4.99 purchase opens all level packs and removes ads on the US App Store.

Unlock All Packs and Remove Ads $4.99
Quoted from the vendor pricing page on November 10, 2026.

Key features

• Over 2,500 free levels in Free Play mode
• New Daily Puzzles every day
• 10 board sizes and 20 scored Time Trial variants
• Free Classic, Bonus, Bridges, Mania, Extreme and Jumbo packs
• Labels for color impaired players

Strengths and weaknesses

• Strength: A single $4.99 purchase unlocks all packs and removes ads
• Strength: Accessible labels for color impaired players
• Strength: Age rating of 4+
• Weakness: Extra level packs and hints cost money
• Weakness: One puzzle mechanic only
• Weakness: No web version

Key facts

• Free levels: Over 2,500 in Free Play mode
• Board sizes: 10
• Time Trial variants: 20
• Requires: iOS 15.0 or later

Where it ranks

Flow Free is No. 5 in our Best Free Puzzle Games verdict.