Growth · alternatives · 2026

24 alternatives to 21-Day Email Mastery Challenge

Get an actionable email daily to transform email marketing

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 21-Day Email Mastery Challenge launched in 2023; newer entries below may have overtaken it.

1. 1
   Do Better With Less▲106

   10x in 10 days, challenge for marketers

   2022 · growclass.co · its alternatives →

2. 2
   Email Mastery▲286

   The place to learn email marketing

   2020 · emailmastery.org · its alternatives →

3. 3
   Marketing Week Challenge 2.0▲504

   Boost your marketing in 7 days

   2022 · makerbox.club · its alternatives →

4. 4
   Hypefury Daily▲244

   Free 90 day email course to grow your Twitter followers 10X

   2023 · hypefury.com · its alternatives →

5. 5
   Email Growth Playbook▲127

   Increase your email ROI with 60+ growth tactics

   2021 · its alternatives →

6. 6
   Email Mastery.▲100

   Master the art of cold emailing

   2023 · vikasbiz.gumroad.com · its alternatives →

7. 7
   Capture▲136

   The Smartest Way To Grow Your Email List

   2014 · gleam.io · its alternatives →

8. 8
   Growth Hacking Idea 2.0▲25

   One short ‎inspiring growth hack a day to your email

   2016 · e.growthhackingidea.com · its alternatives →

9. 9
   One Month Skill▲259

   Learn a new skill every month with daily emails

   2018 · its alternatives →

10. 10
    Uncensored Growth: The 3 Most Effective Email Automation Sequences for SaaS Businesses▲64

    Behind-the-Scenes Strategies of a 7-figure SaaS Business

    2016 · traffic.libsyn.com · its alternatives →

11. 11
    Email Marketing: Step-by-step Guide to Growth Hacking▲85

    Rapid Growth of Customer Base and Highest RoI

    2018 · udemy.com · its alternatives →

12. 12
    Digital Marketing Superstars▲100

    Supersize your knowledge - one short hack at a time (free)

    2019 · squirrly.co · its alternatives →

13. 13
    Email Masterclass▲31

    Become an email marketing expert in 90 minutes

    2022 · courses.mailmodo.com · its alternatives →

14. 14
    Action Army #9 - The secret art of the follow up email▲67

    This elusive little life hack is easy to master

    2016 · soundcloud.com · its alternatives →

15. 15
    SEO Prompts▲146

    SEO without the headache

    2017 · seoprompts.com · its alternatives →

16. 16
    Growth List▲141

    Supercharge your growth through B2B Email Marketing

    2018 · its alternatives →

17. 17
    Kite▲129

    Turn email into your superpower

    2025 · usekite.app · its alternatives →

18. 18
    The Sales Email Deliverability Guide▲115

    Your ultimate guide to get your emails delivered at scale

    2021 · amplemarket.com · its alternatives →

19. 19
    growth.email▲131

    Weekly curated email with the best growth marketing articles

    2017 · its alternatives →

20. 20
    Call to Action - Test Your Way to Personalized Welcome Emails▲69

    Your email marketing funnel has a lot of work to do.

    2016 · overcast.fm · its alternatives →

21. 21
    Mail Mastery▲88

    250 email templates to manage communication, issues & growth

    2023 · unapologeticih.gumroad.com · its alternatives →

22. 22
    3 Most Effective List Building Techniques of 2016▲91

    Exact strategies used to grow an email list which made $300K

    2016 · videofruit.com · its alternatives →

23. 23
    The SaaS Email Marketing Masterclass ✉️ ▲30

    Learn to build & grow your SaaS email program, from scratch

    2019 · its alternatives →

24. 24
    Early Stage Growth▲91

    A weekly email focused on growth

    2023 · earlystagegrowth.com · 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 →