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Work · alternatives · 2026

24 alternatives to 309 System

Build smart habits in 30-minute cycles

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
    TwentyOne▲108

    Build habits in manageable bites, together

    2023 · apps.apple.com · its alternatives →

  2. 2

    Build long-lasting habits with the 100 day habit challenge

    2023 · systemsumo.gumroad.com · its alternatives →

  3. 3
    Streaks66▲218

    Daily habits tracker with AI

    2024 · apps.apple.com · its alternatives →

  4. 4
    Habitz ▲96

    Goal planner & progress

    Jan 2026 · apps.apple.com · its alternatives →

  5. 5

    Make or break a habit in 100 days.

    2022 · its alternatives →

  6. 6
    22 Days▲105

    Start to effectively control your habits

    2019 · apps.apple.com · its alternatives →

  7. 7

    Establish the foundation of success - a one simple habit

    2023 · missdigitalplanner.gumroad.com · its alternatives →

  8. 8

    A minimalistic habit tracker with a powerful iOS14 widgets

    2021 · its alternatives →

  9. 9

    Print a page. Track your habit. Free and simple.

    2019 · its alternatives →

  10. 10

    Make writing a habit

    2021 · its alternatives →

  11. 11

    Build life-changing habits 5 minutes at a time

    2025 · its alternatives →

  12. 12

    Build habits in 21 days

    2025 · apps.apple.com · its alternatives →

  13. 13

    Build better habits & track progress

    2023 · its alternatives →

  14. 14

    Start building habit streaks today

    2022 · hdfocal.gumroad.com · its alternatives →

  15. 15

    A set of challenges to be accomplished every day for 21 days

    2019 · play.google.com · its alternatives →

  16. 16

    Habit tracker, build habits in a fun way

    2023 · habitive.app · its alternatives →

  17. 17

    A Notion template to build new habits

    2023 · sidgangs.gumroad.com · its alternatives →

  18. 18

    Challenge yourself for 21 days

    2024 · its alternatives →

  19. 19

    66-day habit challenge. Miss a day, start over.

    Jan 2026 · apps.apple.com · its alternatives →

  20. 20AH
  21. 21

    The simplest way to create and track habits

    2025 · apps.apple.com · its alternatives →

  22. 22

    Build Habits. See Progress. Stay Consistent.

    Jan 2026 · 2k26newyearnew.me · its alternatives →

  23. 23

    When motivation is gone, discipline remains

    Jun 2026 · habitfactory.app · its alternatives →

  24. 24

    Build one habit at a time, in just 21 days

    Jul 2026 · apps.apple.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →