AI · alternatives · 2026

24 alternatives to InboxFlow

Your Gmail becomes an intelligent automation hub

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Auto Gmail▲82

   Let AI draft answers to all your inbound emails

   2023 · its alternatives →

2. 2
   Auto-Gmail▲132

   AI to draft answers to all your inbound emails

   2023 · its alternatives →

3. 3
   Read AI for Gmail▲172

   Inbox AI

   2024 · its alternatives →

4. 4
   Gmail in the Gemini Era▲375

   Ask your inbox anything to get summaries, drafts, & more

   Jan 2026 · blog.google · its alternatives →

5. 5
   Inbox AI▲201

   AI-Powered Personal Productivity

   2024 · its alternatives →

6. 6
   Pigeon for Gmail▲427

   Mail merge, auto follow ups, CRM inside your Gmail

   2021 · its alternatives →

7. 7
   Superinbox▲531

   Email vibing in your Gmail / Outlook

   Oct 2025 · superinbox.com · its alternatives →

8. 8
   If No Reply▲363

   Simple email automation that works for Gmail

   2016 · its alternatives →

9. 9
   TextCraft AI▲181

   Smart inbox, smart emails - AI at your service

   2023 · its alternatives →

10. 10
    EffortlessEmail▲139

    AI-powered email creation at your fingertip

    2023 · its alternatives →

11. 11
    Harmony AI Voice Assistant▲273

    Manage email and calendar with voice

    2025 · useharmony.com · its alternatives →

12. 12
    AI Emaily▲165

    Your AI inbox that writes like you + replies on autopilot

    Jul 2026 · aiemaily.com · its alternatives →

13. 13
    TaCo▲135

    Manage Gmail and Slack in one place with AI

    2022 · its alternatives →

14. 14
    CXassist▲136

    Put your inbox on autopilot with AI

    2023 · its alternatives →

15. 15
    InboxPro▲174

    Boost your productivity & turn Gmail into a powerful machine

    2022 · its alternatives →

16. 16
    AI Mail Assistant▲63

    Generate, translate, summarize & improve emails

    2023 · its alternatives →

17. 17
    Outboundly.ai▲190

    AI-powered cold outreach platform

    2023 · its alternatives →

18. 18
    Astrobot for Slack▲180

    Manage your inbox from Slack

    2017 · its alternatives →

19. 19
    Smart Reply in Gmail▲179

    Quick suggested responses for emails, using machine learning

    2017 · its alternatives →

20. 20
    Auto Gmail - ChatGPT AI for email inbox▲13

    Let the AI train on your whole email data and answer for you

    2024 · its alternatives →

21. 21
    WA! Gmail Add-on▲79

    Get your prospect full story at a glance.

    2020 · its alternatives →

22. 22
    EmailFlow.AI▲146

    B2B lead generation with autonomous AI agents

    2024 · its alternatives →

23. 23
    MailToDock▲70

    Turn Gmail into Google Tasks with AI-powered

    Apr 2026 · mailtodock.vercel.app · its alternatives →

24. 24
    AI Email Writer by Mailmeteor▲119

    The AI email writer that Google wishes they built

    2024 · 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 →