Growth · alternatives · 2026

24 alternatives to Virus from Retainly

Create unstoppable referral & affiliate campaigns

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Virus from Retainly launched in 2017; newer entries below may have overtaken it.

1. 1
   Viral Loops for Startups▲656

   Virality for startups made easy 💪

   2016 · viral-loops.com · its alternatives →

2. 2
   Viral Loops for Newsletters▲296

   Grow your publication’s audience with referrals

   2021 · viral-loops.com · its alternatives →

3. 3
   Maître Viral Referral Waiting List▲668

   Create a viral waiting list in 60 seconds

   2016 · app.referralhero.com · its alternatives →

4. 4
   From Visitor to Ambassador by Viral Loops▲171

   A playbook about how you can make users adore you 😻

   2018 · viral-loops.com · its alternatives →

5. 5
   UpViral▲185

   Grow your email list faster using referral marketing

   2021 · upviral.com · its alternatives →

6. 6
   GrowSurf▲259

   Automate viral growth for your website. 100% free

   2018 · growsurf.com · its alternatives →

7. 7
   The Milestone Referral by Viral Loops▲281

   Community & email list building with company swag 🎁

   2017 · viral-loops.com · its alternatives →

8. 8
   Viral Growth Calculator▲102

   Calculate whether your referral loop will go viral

   2017 · upviral.com · its alternatives →

9. 9
   Viral Loops for Shopify▲212

   Grow your store with word of mouth 😎

   2018 · viral-loops.com · its alternatives →

10. 10
    GrowSurf 2.0▲296

    Create a custom refer-a-friend program for your site

    2020 · growsurf.com · its alternatives →

11. 11
    SHORBY for Retargeting▲158

    Collect Leads From Any Link You Share 🚀

    2018 · shorby.com · its alternatives →

12. 12
    Salescamp▲121

    Grow virally with a super simple referral widget

    2017 · fbgm.in.net · its alternatives →

13. 13
    ReferralMagic▲339

    Turn your users and customers into referral magnets.

    2019 · 50saas.com · its alternatives →

14. 14
    GrowSurf▲182

    Build a referral program into your product or newsletter

    2021 · growsurf.com · its alternatives →

15. 15
    Refgrow▲355

    Launch an affiliate program in minutes. Embed a referral dashboard in your product, track Stripe sales automatically, and pay partners by PayPal or Wise.

    2025 · refgrow.com · its alternatives →

16. 16
    KickoffLabs AI Viral Giveaway Builder▲93

    Build a viral giveaway campaign in minutes for your brand!

    2023 · kickofflabs.com · its alternatives →

17. 17
    Rupt▲183

    First API to detect and monetize password sharing

    2023 · rupt.dev · its alternatives →

18. 18
    Viral Coefficient Calculator▲122

    Calculate a viral referral loop for apps

    2015 · nichevertising.com · its alternatives →

19. 19
    Secret Sauce - The Original & Best Growth Hacking Book Ever!▲182

    A step-by-step guide to getting users, traffic and revenue

    2017 · its alternatives →

20. 20
    Referrd▲8

    Create a viral referral program in less than 5 min

    2020 · its alternatives →

21. 21
    Grow or Pay▲70

    Grow your follower count or your enemy gets your donation

    2023 · groworpay.com · its alternatives →

22. 22
    Referlist▲178

    Increase email sign-ups via word of mouth referrals

    2019 · referlist.co · its alternatives →

23. 23
    GrowSurf Premium▲113

    Automate viral growth for your website

    2018 · growsurf.com · its alternatives →

24. 24
    Growth Everywhere - Converting 30-80% of Website Visitors Into Customers▲66

    Interview with Ethan Denney, co-founder of ConvertFlow

    2016 · traffic.libsyn.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 →