Growth · alternatives · 2026

24 alternatives to Content Upgrades by VYPER

Explode your email list with content upgrades on steroids

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Content Upgrades by VYPER launched in 2016; newer entries below may have overtaken it.

1. 1
   Vyper▲218

   Explode your email list with gorgeous viral contests

   2016 · blitzrocket.com · its alternatives →

2. 2
   Mixmax▲32

   Upgrade your email with embeddable rich-actions and widgets

   2014 · mixmax.com · its alternatives →

3. 3
   Elite Email▲191

   Drag & drop email builder for awesome newsletters

   2016 · eliteemail.com · its alternatives →

4. 4
   TowerData▲67

   Enhance, clean and grow your email list

   2014 · atdata.com · its alternatives →

5. 5
   Prosper▲225

   Video popups to grow your email list.

   2019 · its alternatives →

6. 6
   Reelevant▲129

   Adapt email content to subscribers' context in real time

   2016 · reelevant.com · its alternatives →

7. 7
   Capture▲136

   The Smartest Way To Grow Your Email List

   2014 · gleam.io · its alternatives →

8. 8
   Email 1K▲190

   Double Your Email List

   2014 · email1k.com · its alternatives →

9. 9
   MailZak▲164

   Give a boost to your #EmailMarketing

   2016 · mailzak.com · its alternatives →

10. 10
    Scroll Box▲168

    Grow your email list with a Triggered ScrollBox

    2014 · bdow.com · its alternatives →

11. 11
    EmbedQuiz▲122

    Gamify your website and grow your mailing list with quizzes

    2023 · its alternatives →

12. 12
    Growth List▲141

    Supercharge your growth through B2B Email Marketing

    2018 · its alternatives →

13. 13
    EmailDyno▲114

    Instantly Turn Your Email List Into A Profit Machine

    2015 · its alternatives →

14. 14
    Giphy For Gmail▲247

    Add the power of GIFs to your email

    2015 · chromewebstore.google.com · its alternatives →

15. 15
    Complete▲149

    Compose email 2x faster

    2015 · its alternatives →

16. 16
    KingSumo Giveaways ▲149

    Grow your email list through Viral Giveaways

    2014 · kingsumo.com · its alternatives →

17. 17
    Marketing School: 7 Ways to Make Existing Content Better▲61

    How to upgrade content to increase engagement

    2016 · traffic.libsyn.com · its alternatives →

18. 18
    Content Upgrades▲25

    Turn every blog post into an email opt-in machine

    2015 · its alternatives →

19. 19
    Spently▲92

    Turn your transactional emails into marketing opportunities.

    2016 · spently.com · its alternatives →

20. 20
    Viral Leaderboard Contests by VYPER▲143

    Explode your audience with viral gamification

    2017 · blitzrocket.com · its alternatives →

21. 21
    UpViral▲185

    Grow your email list faster using referral marketing

    2021 · upviral.com · its alternatives →

22. 22
    Bounce.io▲100

    Turning bounced emails into a revenue channel

    2014 · its alternatives →

23. 23
    Email Insights▲154

    See and track your competitors' email

    2014 · its alternatives →

24. 24
    Email Growth Playbook▲127

    Increase your email ROI with 60+ growth tactics

    2021 · 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 →