Growth · alternatives · 2026

24 alternatives to Newsletter Radar by SparkLoop

Match with relevant newsletters & grow faster together, free

Newsletter Radar by SparkLoop helps newsletter creators discover and connect with other relevant newsletters to cross-promote and grow their subscriber bases. The platform matches creators with complementary… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Newsletter Radar by SparkLoop launched in 2024; newer entries below may have overtaken it.

1. 1
   SparkLoop▲350

   The first referral tool for newsletters

   2020 · sparkloop.app · its alternatives →

2. 2
   Match by SparkLoop▲115

   Newsletter cross-promotion made easy

   2020 · its alternatives →

3. 3
   Radar By Paved▲189

   The most comprehensive real-time newsletter sponsorship feed

   2024 · paved.com · its alternatives →

4. 4
   Letterloop▲337

   Create private, group newsletters with friends + family. ✍️

   2020 · letterloop.co · its alternatives →

5. 5
   Newsletter Operating System▲518

   All-in-one dashboard to launch & grow your newsletter

   2020 · newsletteros.com · its alternatives →

6. 6
   CuratedLetters▲753

   Build your newsletter in minutes

   2024 · curatedletters.com · its alternatives →

7. 7
   Sponsor This Newsletter▲707

   100+ newsletters ready to promote your product

   2022 · its alternatives →

8. 8
   LetterHunt▲773

   10,000+ active, curated newsletters to promote your product

   2021 · letterhunt.co · its alternatives →

9. 9
   Magic Links by SparkLoop▲167

   Add a one-click signup button inside any newsletter

   2021 · sparkloop.app · its alternatives →

10. 10
    Newsletter Crew▲420

    Podcast, blog, and community for newsletter creators.

    2020 · newslettercrew.com · its alternatives →

11. 11
    Viral Loops for Newsletters▲296

    Grow your publication’s audience with referrals

    2021 · viral-loops.com · its alternatives →

12. 12
    Letterfuel▲317

    Grow your audience with a curated newsletter

    2018 · its alternatives →

13. 13
    Stoop▲368

    Like a podcast app, but for newsletters 💌

    2018 · its alternatives →

14. 14
    Letterloop 2.0▲174

    Private group newsletters for friends, families & teams

    2022 · letterloop.co · its alternatives →

15. 15
    LetterWell▲463

    Buy and sell ad space in email newsletters

    2020 · letterwell.co · its alternatives →

16. 16
    Curated▲266

    Grow your audience by sharing truly engaging content weekly

    2015 · curated.co · its alternatives →

17. 17
    Newsletter Spy 2.0▲277

    A database of 100,000+ newsletters

    2021 · cuepelis.me · its alternatives →

18. 18
    Letterloop for iOS▲249

    The newsletter for friends, families & teams

    2024 · letterloop.co · its alternatives →

19. 19
    EmailOwl▲126

    Database of over 3k email newsletters to advertise with

    2019 · its alternatives →

20. 20
    Mailbob▲255

    A newsletter platform for personal brands/small businesses

    2024 · mailbob.io · its alternatives →

21. 21
    Vero Newsletters▲199

    Faster email marketing with direct SQL access to your data

    2021 · getvero.com · its alternatives →

22. 22
    NewsletterStash▲252

    A curated directory of the best newsletters

    2015 · newsletterstash.com · its alternatives →

23. 23
    Proof by SparkLoop▲111

    Display your newsletter stats on your website for free.

    2020 · sparkloop.app · its alternatives →

24. 24
    All-new Spark▲345

    Smart. Focused. Email

    2022 · sparkmailapp.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 →