One & Three app icon

Apps Like One & Three for iPhone and iPad

by Scott Curry★ 5.05 ratingsProductivityFreeData updated 2026-09-06
App detailsView in App Store

Ranked alternatives

Showing 661–680 of 1,000 ranked alternatives.

  9. Spiral - Fibonacci Focus Timer app icon

    Spiral - Fibonacci Focus Timer

    Louis Sankey

    Estimate time, , complete

    Plan and track tasks with time estimates based on the sequence. Set periods matching energy levels and task size. View productivity insights and progress over time. Adjust estimates and monitor efficiency improvements.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-06
    App details
  14. App Block, Time limits: Flow app icon

    App Block, Time limits: Flow

    Alcaeus Development AB

    Block distractions and focus on tasks

    Block distractions with scheduled and website blocks. Set daily limits for specific apps. Lock devices remotely to prevent unauthorized use. Track focus sessions and review usage patterns to improve screen habits.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-06
    App details

How we rank alternatives

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