Growth · alternatives · 2026

24 alternatives to Your First Hundred

A 6-Week Challenge for finding your first 100 users

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Your First Hundred launched in 2021; newer entries below may have overtaken it.

1. 1
   100 in 100 Challenge▲533

   Get 100 new paid users in 100 days

   2021 · 100in100.co · its alternatives →

2. 2
   100 Users 100 Days Challenge Round 2▲364

   Get 100 paying users in the next 100 days

   2022 · 100in100.co · its alternatives →

3. 3
   First 100 Users▲883

   100 ideas for your startup's first 100 users

   2022 · first100users.com · its alternatives →

4. 4WB
   We built our startup in 100 days▲147

   2013 · giveit100.com · its alternatives →

5. 5
   Law of 100▲194

   Make or break a habit in 100 days.

   2022 · its alternatives →

6. 6
   Marketing Week Challenge 2.0▲504

   Boost your marketing in 7 days

   2022 · makerbox.club · its alternatives →

7. 7
   21 Days Challenge▲96

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

   2019 · play.google.com · its alternatives →

8. 8
   100DaysOfAI Challenge▲615

   Learn practical AI skills in 100 days

   2023 · its alternatives →

9. 9
   First 1000 Users Guide▲279

   Interactive guide to go from ideation to first 1000 users

   2021 · coda.io · its alternatives →

10. 10
    Tweet Streak 30▲212

    A 30-day long gamified Twitter growth challenge

    2023 · its alternatives →

11. 11
    100 Days of Code▲306

    Make coding a habit. Join the growing community.

    2018 · 100daysofcode.com · its alternatives →

12. 12
    First 1000▲652

    Case studies on how companies got their first 1000 customers

    2021 · first1000.co · its alternatives →

13. 13
    The Monthly Challenge App▲111

    Do hard things with friends

    2022 · its alternatives →

14. 14
    100-Day Habit Tracker▲121

    Build long-lasting habits with the 100 day habit challenge

    2023 · systemsumo.gumroad.com · its alternatives →

15. 15
    Threads100▲68

    Free 100-day challenge to help you grow on Threads

    2024 · blacktwist.app · its alternatives →

16. 16
    Zero Percent▲186

    Alcohol tracking chatbot & 100 day no drinking challenge 🏆

    2019 · zeropercent.club · its alternatives →

17. 17
    #Tweet100 Challenge▲263

    Free 100 day challenge for growth on Twitter

    2022 · tweet100.com · its alternatives →

18. 18
    Do Better With Less▲106

    10x in 10 days, challenge for marketers

    2022 · growclass.co · its alternatives →

19. 19
    The First 100▲156

    Proven framework for acquiring your first 100 customers

    2018 · its alternatives →

20. 20
    The 7 Day Startup Challenge▲11

    Let us help you launch your entrepreneurial project in 7days

    2016 · dannorris.me · its alternatives →

21. 21
    Sell In Public Challenge▲79

    +125 founders with 180 days to build & sell on MicroAcquire

    2021 · sellinpublic.com · its alternatives →

22. 22
    Blogilates #100AbChallenge Doc▲75

    Challenge yourself and your friends to a 30 day ab workout

    2019 · coda.io · its alternatives →

23. 23
    Easy Advocacy▲186

    Launch an employee advocacy campaign in 10 minutes for free

    2020 · its alternatives →

24. 24
    Tribe of Five▲140

    The power of accountability to build better habits

    2018 · its alternatives →

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 →