Work · alternatives · 2026

24 alternatives to Newton Calendar

Companion app to the awesome Newton Mail

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Newton Calendar launched in 2017; newer entries below may have overtaken it.

1. 1
   Newton Mail▲161

   Email app designed to supercharge business communication

   2019 · newtonhq.com · its alternatives →

2. 2
   Astro 3.0▲264

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

   2018 · its alternatives →

3. 3
   Google Calendar▲413

   Spend less time managing your day, now on iOS

   2015 · gmail.googleblog.com · its alternatives →

4. 4
   Boxy Suite▲177

   Beautiful Mac clients for Gmail and Google Calendar.

   2018 · boxysuite.com · its alternatives →

5. 5
   Cal.com Companion Apps▲635

   Native iOS & Android App + Browser Extensions for scheduling

   Jan 2026 · cal.com · its alternatives →

6. 6
   Polymail Calendar▲285

   Schedule meetings instantly over email

   2018 · polymail.io · its alternatives →

7. 7
   Meetingbird for Gmail▲333

   View your calendar and schedule meetings right from Gmail

   2017 · front.com · its alternatives →

8. 8
   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 →

9. 9
   Newton by CloudMagic▲118

   Supercharged emailing with space-age features

   2016 · cloudmagic.com · its alternatives →

10. 10
    TextMarley▲136

    iMessage-based reminders integrated with Google Calendar

    2025 · its alternatives →

11. 11
    Mail by Apple▲302

    Apple's email client, unbundled 📧

    2016 · apps.apple.com · its alternatives →

12. 12
    SavvyCal for iCloud▲293

    Scheduling links for iCloud, plus Google, Outlook, Fastmail

    2021 · savvycal.com · its alternatives →

13. 13
    ShadowCal▲95

    Sync your Outlook Calendar to Google Calendar

    2025 · shadowcal.com · its alternatives →

14. 14
    Impocall▲67

    Really useful and simple iOS app to manage your calendar.

    2018 · apps.apple.com · its alternatives →

15. 15
    SlideMail▲97

    An email app that can think

    2015 · its alternatives →

16. 16
    OI Calendar▲78

    Encrypted, decentralized alternative to Google calendar

    2019 · cal.openintents.org · its alternatives →

17. 17
    Microsoft Outlook for iOS▲236

    Official Microsoft Outlook app designed for iPhone and iPad

    2015 · apps.apple.com · its alternatives →

18. 18
    Astro▲67

    AI meets email for Mac, iPhone, and Android

    2018 · its alternatives →

19. 19
    AI Notetaker▲226

    Record, transcribe & follow up on meetings

    2023 · usebubbles.com · its alternatives →

20. 20
    OneCal▲125

    Synchronise Outlook and Google Calendars

    2023 · onecal.io · its alternatives →

21. 21
    CalendarPipe▲155

    Create pipes to filter, transform, and sync events between Google Calendar, Outlook, and Apple Calendar. Build visually, describe in plain English, or write code.

    Apr 2026 · calendarpipe.com · its alternatives →

22. 22
    Wunderlist Calendar for Outlook▲77

    Connect your calendar with Outlook

    2016 · its alternatives →

23. 23
    Calendar Buddy▲77

    Plan your time and achieve your goals

    2021 · apps.apple.com · its alternatives →

24. 24BC
    Boomerang Calendar - a smart calendar assistant in your Gmail▲86

    2012 · boomerangcalendar.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 →