Growth · alternatives · 2026

24 alternatives to ReplyUp

Send customized follow-up emails for free

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

1. 1
   Rebump 2.0▲217

   Send customized follow-up messages to your email recipients

   2016 · rebump.cc · its alternatives →

2. 2
   Giphy Chrome Extension▲221

   Respond to emails, tweets & more w/ GIFs in a jiffy

   2014 · chromewebstore.google.com · its alternatives →

3. 3
   Inbox by Gmail Chrome Extension▲207

   Save links for later and share with one click

   2016 · chromewebstore.google.com · its alternatives →

4. 4
   LeadsFinder by Reply▲201

   Free crowdsourced database of business emails

   2017 · leadsfinder.io · its alternatives →

5. 5
   superReply▲119

   No more typing, no more stress - let AI handle your emails

   2023 · superreply.co · its alternatives →

6. 6
   mxHero▲58

   Supercharge your email. [free chrome extension]

   2014 · mxhero.com · its alternatives →

7. 7
   Reply Ninja▲220

   Instant Inline replies in Gmail

   2019 · its alternatives →

8. 8
   Dad Reply▲404

   Auto-respond with a 👍 - Minimal effort - Maximum ambiguity

   2025 · chromewebstore.google.com · its alternatives →

9. 9
   Entro▲244

   The holy grail of email introductions

   2016 · entro.io · its alternatives →

10. 10
    Email Warm-Up Tool by Reply▲311

    Make sure your emails land in the inbox, not spam

    2021 · reply.io · its alternatives →

11. 11
    Reply 2.0▲230

    Automate your personal emails + calls + tasks

    2019 · reply.io · its alternatives →

12. 12
    Happy Grasshopper▲81

    Follow-up emails as a service

    2014 · happygrasshopper.com · its alternatives →

13. 13
    Ovy▲268

    One click AI-generated email replies for Gmail

    2022 · chromewebstore.google.com · its alternatives →

14. 14
    TwitterGPT Chrome Extension▲144

    Respond to tweets with ChatGPT

    2022 · chromewebstore.google.com · its alternatives →

15. 15
    TextCraft AI▲181

    Smart inbox, smart emails - AI at your service

    2023 · chromewebstore.google.com · its alternatives →

16. 16
    Smart Reply in Gmail▲179

    Quick suggested responses for emails, using machine learning

    2017 · blog.google · its alternatives →

17. 17
    Replyapp▲8

    Send cold emails that feel warm

    2016 · reply.io · its alternatives →

18. 18
    EzMail.AI Extension▲84

    ChatGPT for Gmail Chrome extension that generates emails

    2023 · its alternatives →

19. 19
    Follow-up Wizard by Sales Torch▲66

    Follow-up with multiple prospect in your email at once 💌

    2018 · its alternatives →

20. 20
    Inbox by Reply▲98

    Handle your hot sales emails faster

    2015 · reply.io · its alternatives →

21. 21
    MailMe▲83

    Send any website to your inbox with a single click (Chrome)

    2014 · its alternatives →

22. 22
    Hide My Email - Open Source Extension▲114

    Use unique, random addresses when signing up for websites.

    2025 · github.com · its alternatives →

23. 23
    MailoReply▲13

    Reply & write emails 10× faster

    2025 · its alternatives →

24. 24
    Here There▲91

    Quickly send content to any input field on any tab.

    2016 · chromewebstore.google.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 →