Growth · alternatives · 2026

24 alternatives to Astro

AI meets email for Mac, iOS and Android

Astro is an AI-powered email application available for Mac, iOS, and Android devices. It integrates directly with Slack, allowing users to manage email alongside their team communication. The app uses artificial… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Astro launched in 2017; newer entries below may have overtaken it.

1. 1
   Astro for Android▲174

   Modern email app for Mac, iOS, and Android, powered by AI

   2017 · its alternatives →

2. 2
   Astro▲67

   AI meets email for Mac, iPhone, and Android

   2018 · its alternatives →

3. 3
   Astrobot for Slack▲180

   Manage your inbox from Slack

   2017 · its alternatives →

4. 4
   Astro 3.0▲264

   Intelligent inbox and calendar for iOS, Android, Mac & Slack

   2018 · its alternatives →

5. 5
   Astrobot Voice▲85

   Talk to your inbox directly from Astro’s iOS & Android apps

   2017 · its alternatives →

6. 6
   Notion▲585

   Artificial intelligence-powered email.

   2015 · notion.so · its alternatives →

7. 7
   Spark for Mac▲1,058

   Beautiful and intelligent email app

   2016 · sparkmailapp.com · its alternatives →

8. 8
   Success.ai▲364

   Supercharge your growth with AI-powered cold emails

   2023 · success.ai · its alternatives →

9. 9
   Inbox AI▲201

   AI-Powered Personal Productivity

   2024 · its alternatives →

10. 10
    Astro▲511

    App Store optimization tool for Apple developers

    2023 · tryastro.app · its alternatives →

11. 11
    Shortwave AI Email Assistant 2.0▲214

    The ultimate search, analysis, and productivity companion

    2024 · shortwave.com · its alternatives →

12. 12
    June.ai▲261

    A communication hub that replaces email

    2018 · june.ai · its alternatives →

13. 13
    Stripo Email Design Platform▲752

    AI, teamwork, and a new era of email design

    2025 · stripo.email · its alternatives →

14. 14
    Loop Email▲257

    Emailing for teams: Organize your Inbox into channels 💌

    2018 · intheloop.io · its alternatives →

15. 15
    TaCo▲135

    Manage Gmail and Slack in one place with AI

    2022 · sharetaco.com · its alternatives →

16. 16
    Mailgo▲469

    AI-powered cold email platform that boosts deliverability

    2025 · mailgo.ai · its alternatives →

17. 17
    Gmail in the Gemini Era▲371

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

    Jan 2026 · blog.google · its alternatives →

18. 18
    Mailmodo AI▲471

    Try this AI email marketing tool to create emails, automate journeys, and add interactivity to drive better conversions.

    2025 · mailmodo.com · its alternatives →

19. 19
    Spark +AI▲181

    Your email productivity, supercharged with AI

    2023 · sparkmailapp.com · its alternatives →

20. 20
    AntEater▲65

    Team CRM on Gmail/Outlook & Slack always up-to-date using AI

    2019 · its alternatives →

21. 21
    EmailFlow.AI▲146

    B2B lead generation with autonomous AI agents

    2024 · emailflow.ai · its alternatives →

22. 22
    Canary Mail▲430

    Discover Canary Mail, the best email client with AI-powered features and integrated calendar. Access multiple accounts, prioritize important emails, and boost productivity effortlessly.

    2016 · canarymail.io · its alternatives →

23. 23
    Outboundly.ai▲190

    AI-powered cold outreach platform

    2023 · outboundly.ai · its alternatives →

24. 24
    CloudMagic for Mac▲252

    Simple, beautiful & blazing fast email app now on Mac.

    2016 · cloudmagic.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 →