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Best Howbout Alternatives in 2026

12 platforms from calendar apps ranked against Howbout on the same published basis.

  1. 1
    Calendar.com Free plan AndroidapiextensioniOSWeb $20/mo8.8
    Howbout vs Calendar.com
  2. 2
    Teamup Free plan AndroidapiiOSWeb $12/mo8.7
    Howbout vs Teamup
  3. 3
    7shifts Free plan AndroidapiiOSWeb Free8.1
    Howbout vs 7shifts
  4. 4
    EGroupware Free trial Open sourceWebLinuxWinMac €21.90/mo7.8
    Howbout vs EGroupware
  5. 5
    Google Calendar AndroidiOS $7/mo7.6
    Howbout vs Google Calendar
  6. 6
    Mozilla Thunderbird Free plan Open sourceAndroidLinuxMacWin Free7.6
    Howbout vs Mozilla Thunderbird
  7. 7
    Microsoft Outlook Calendar AndroidiOSMacWeb $1.67/mo7.5
    Howbout vs Microsoft Outlook Calendar
  8. 8
    Proton Calendar Free plan AndroidiOS Free7.4
    Howbout vs Proton Calendar
  9. 9
    Reclaim AI Free plan extensionWeb $0.83/mo7.4
    Howbout vs Reclaim AI
  10. 10
    Notion Calendar Free plan AndroidiOS Free7.3
    Howbout vs Notion Calendar
  11. 11
    Nextcloud Calendar AndroidiOS €3.50/mo7.3
    Howbout vs Nextcloud Calendar
  12. 12
    Doodle Free plan Web $11/mo7.3
    Howbout vs Doodle
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