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Best MailFlow Alternatives in 2026

Updated

20 apps from AI email assistants ranked against MailFlow on the same published basis.

  1. 1
    Mailbutler Smart Assistant Free plan AndroidextensioniOSLinuxMac $7/mo7.5
    MailFlow vs Mailbutler Smart Assistant
  2. 2
    Perplexity Free plan AndroidapiiOSMacWeb $20/mo7.5
    MailFlow vs Perplexity
  3. 3
    Spike Free plan AndroidiOSMacWebWin $4/mo7.3
    MailFlow vs Spike
  4. 4
    Spark +AI Free plan AndroidiOSMacWin $10/mo7.1
    MailFlow vs Spark +AI
  5. 5
    Superhuman Go Free plan AndroidextensioniOSMacWeb $12/mo7.1
    MailFlow vs Superhuman Go
  6. 6
    OpenMailBot Free plan LinuxMacself-hostedWebWin Free7.0
    MailFlow vs OpenMailBot
  7. 7
    Serif Free plan iOSMacWebWin $30/mo7.0
    MailFlow vs Serif
  8. 8
    EmailOps Free plan LinuxMacWin Free6.9
    MailFlow vs EmailOps
  9. 9
    Kerna Free plan MacWebWin €12/mo6.9
    MailFlow vs Kerna
  10. 10
    Mailtwine AndroidiOSLinuxMacWeb 6.9
    MailFlow vs Mailtwine
  11. 11
    Fyxer Free plan apiiOSWeb $22.50/mo6.8
    MailFlow vs Fyxer
  12. 12
    MailCopilot Free plan LinuxMacWin Free6.8
    MailFlow vs MailCopilot
  13. 13
    MailMaestro Free plan extensionWeb $12/mo6.7
    MailFlow vs MailMaestro
  14. 14
    MailWise Free plan Web £15/mo6.7
    MailFlow vs MailWise
  15. 15
    Metis Mail Free plan self-hostedWeb $9.58/mo6.7
    MailFlow vs Metis Mail
  16. 16
    EmailAgent Free plan Web Free6.6
    MailFlow vs EmailAgent
  17. 17
    Shortwave Free trial AndroidiOSMacWebWin $30/mo6.6
    MailFlow vs Shortwave
  18. 18
    Demi Free plan Mac $25/mo6.5
    MailFlow vs Demi
  19. 20
    Maillifier Free plan self-hostedWeb Free6.5
    MailFlow vs Maillifier
  20. 21
    Needle Free plan Web Free6.5
    MailFlow vs Needle

MailFlow alternatives compared

#AppScoreFree planFromRuns on
1Mailbutler Smart Assistant7.5Free plan$7/moAndroid, Browser, iOS, Linux, Mac, Web, Windows
2Perplexity7.5Free plan$20/moAndroid, API, iOS, Mac, Web, Windows
3Spike7.3Free plan$4/moAndroid, iOS, Mac, Web, Windows
4Spark +AI7.1Free plan$10/moAndroid, iOS, Mac, Windows
5Superhuman Go7.1Free plan$12/moAndroid, Browser, iOS, Mac, Web, Windows
6OpenMailBot7.0Free planFreeLinux, Mac, self-hosted, Web, Windows
7Serif7.0Free plan$30/moiOS, Mac, Web, Windows
8EmailOps6.9Free planFreeLinux, Mac, Windows
9Kerna6.9Free plan€12/moMac, Web, Windows
10Mailtwine6.9Android, iOS, Linux, Mac, Web, Windows
11Fyxer6.8Free plan$22.50/moAPI, iOS, Web
12MailCopilot6.8Free planFreeLinux, Mac, Windows
13MailMaestro6.7Free plan$12/moBrowser, Web
14MailWise6.7Free plan£15/moWeb
15Metis Mail6.7Free plan$9.58/moself-hosted, Web
16EmailAgent6.6Free planFreeWeb
17Shortwave6.6$30/moAndroid, iOS, Mac, Web, Windows
18Demi6.5Free plan$25/moMac
20Maillifier6.5Free planFreeself-hosted, Web
21Needle6.5Free planFreeWeb
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Questions about MailFlow alternatives

What is the best alternative to MailFlow?

Mailbutler Smart Assistant, number 1 in AI email assistants with a score of 7.5 out of 10. The others here: Perplexity, Spike, Spark +AI and 16 more.

What is the best free alternative to MailFlow?

Mailbutler Smart Assistant is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.