Growth · alternatives · 2026

24 alternatives to ReplyFast AI Gmail Extension

Write & answer emails 10x faster Powered by GPT-4o

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ReplyFast AI Gmail Extension launched in 2024; newer entries below may have overtaken it.

1. 1
   Ovy▲268

   One click AI-generated email replies for Gmail

   2022 · chromewebstore.google.com · its alternatives →

2. 2
   AI Sales Email Assistant by Reply▲342

   Generate human-like emails and follow-ups with GPT-3

   2021 · reply.io · its alternatives →

3. 3
   EzMail.AI▲115

   Reply to emails 10X faster with pre-filled drafts by AI

   2023 · its alternatives →

4. 4
   FastReply AI for Gmail▲6

   AI replies in your Gmail inbox — one click, done.

   Jun 2026 · fastreplyai.tuanhoang.dev · its alternatives →

5. 5
   Smart Reply in Gmail▲179

   Quick suggested responses for emails, using machine learning

   2017 · blog.google · its alternatives →

6. 6
   AI GPT for Gmail™▲112

   Write emails with AI and ChatGPT in just seconds

   2024 · workspace.google.com · its alternatives →

7. 7
   GMPlus▲154

   Transform your gmail communication with ChatGPT AI

   2023 · gmplus.io · its alternatives →

8. 8
   Autothink▲66

   AI-powered Gmail add-on to suggest email replies for you

   2022 · workspace.google.com · its alternatives →

9. 9
   ReplyFast▲8

   Never reply to emails again. AI does it for you.

   2025 · its alternatives →

10. 10
    Free AI Email Assistant▲121

    Forward, add context, generate 👉 no more boring replies

    2024 · its alternatives →

11. 11
    HarvyAI▲170

    Reply your professional emails in 90% less time, seriously

    2023 · its alternatives →

12. 12
    Point▲115

    Reply to your emails with the speed of a robot

    2019 · chromewebstore.google.com · its alternatives →

13. 13
    FastReply▲86

    Finally a lightweight template system for your emails!

    2020 · chromewebstore.google.com · its alternatives →

14. 14
    Reply4▲11

    AI email assistant for faster, smarter replies

    2025 · reply4.com · its alternatives →

15. 15
    superReply▲119

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

    2023 · superreply.co · its alternatives →

16. 16
    AI Mail Assistant Pro▲7

    AI-powered Gmail replies in one click

    2025 · delcherico.gumroad.com · its alternatives →

17. 17RR
    Rapid Reply – GPT-3 AI Email Assistant for Busy Founders▲9

    Hi HN, I created Rapid Reply for founders, execs and managers who get 30+ emails a day and want to respond fast and polite. It also helps you overcome writers block. Let me know if you have questions.

    2022 · rapidreply.ai · its alternatives →

18. 18
    Gmail AI Reply▲2

    Write AI email replies in Gmail — 1 click, under 5 seconds

    Mar 2026 · chromewebstore.google.com · its alternatives →

19. 19
    EzMail.AI Extension▲84

    ChatGPT for Gmail Chrome extension that generates emails

    2023 · its alternatives →

20. 20
    Re:GPT▲101

    Ai-Powered Email Assistant for Gmail & Outlook

    2023 · re-gpt.email · its alternatives →

21. 21
    Chatty▲82

    Say goodbye to email overload

    2023 · its alternatives →

22. 22
    Replybox | AI Email Reply for Gmail▲11

    Smart replies, summaries & scheduling made simple

    2025 · replybox.app · its alternatives →

23. 23
    The Reply Project▲35

    Reply to your emails 10x faster

    2023 · gmass.co · its alternatives →

24. 24
    MailoReply▲13

    Reply & write emails 10× faster

    2025 · 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 →