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Ranked by measurement

Best email client

40 tested · top 40 shown

1 more could only be measured on fewer than five frames, so it is not ranked here — a partial average is not comparable with a full one.

Ordered by a seven-frame production-readiness benchmark measured from each product's public surface — not popularity, pricing or feature count. Nobody pays to appear here and the order is never edited. How it is measured →
How this field scores
low 58median 85best 100
  1. 1
    TabMail
    TabMail is an AI-powered email assistant with autocompletion and agentic request handling.
    Perf 99
    Acce 100
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 100
    tabmail.ai · measured 2026-11-02
    7/7 frames
  2. 2
    Dodosend
    Dodosend is a keyboard-driven Gmail client aimed at reaching inbox zero faster.
    Perf 98
    Acce 94
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 100
    dodosend.com · measured 2026-11-07
    7/7 frames
  3. 3
    AIERT Ltd
    MailBroom is an on-device AI email cleaner for iPhone that works with any IMAP account.
    Perf 95
    Acce 98
    Sec 80
    Priv 100
    Rel 100
    Std 89
    Disc 100
    ios.mailbroom.app · measured 2026-11-02
    7/7 frames
  4. 4
    Faraday
    AI-powered email client for Gmail and Outlook aimed at busy professionals.
    Sec 100
    Priv 75
    Rel 100
    Std 100
    Disc 100
    2 not assessed
    faraday.email · measured 2026-11-09
    5/7 frames
  5. 5
    Fastmail
    Fastmail is a paid email service offering private, encrypted email with calendars and contacts.
    Perf 80
    Acce 97
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 85
    fastmail.com · measured 2026-10-28
    7/7 frames
  6. 6
    Mudroom
    Email triage tool for Gmail and Outlook that separates noise from important mail.
    Perf 61
    Acce 96
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 100
    mudroom.email · measured 2026-11-03
    7/7 frames
  7. 7
    FlareMail
    Browser-based email client for sending and receiving on Cloudflare domains.
    Perf 87
    Acce 96
    Sec 65
    Priv 100
    Rel 100
    Std 100
    Disc 100
    sendwithflare.com · measured 2026-11-08
    7/7 frames
  8. 8
    MailVault
    MailVault is a desktop email client that backs up and archives your mail locally.
    Perf 97
    Acce 94
    Sec 65
    Priv 100
    Rel 100
    Std 92
    Disc 100
    mailvaultapp.com · measured 2026-10-30
    7/7 frames
  9. 9
    Busymail
    Busymail is an email client that groups messages by topic and lets AI draft replies for your approval.
    Perf 98
    Acce 89
    Sec 55
    Priv 100
    Rel 100
    Std 100
    Disc 100
    busymail.app · measured 2026-11-03
    7/7 frames
  10. 10
    Airo Mail
    Airo Mail is an AI-powered email app built for solo founders using Gmail.
    Perf 91
    Acce 100
    Sec 45
    Priv 100
    Rel 100
    Std 100
    Disc 100
    airo.email · measured 2026-11-03
    7/7 frames
  11. 11
    PureBox
    PureBox is a Gmail inbox cleanup tool that uses AI to sort and triage email clutter.
    Perf 97
    Acce 97
    Sec 60
    Priv 100
    Rel 100
    Std 84
    Disc 100
    purebox.ai · measured 2026-11-09
    7/7 frames
  12. 12
    Correvo
    Shared email inbox for teams at a flat monthly rate, not per seat.
    Perf 97
    Acce 93
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 100
    correvo.tarscloud.lat · measured 2026-11-07
    7/7 frames
  13. 13
    Wizard
    Wizard is an AI inbox assistant that surfaces what needs your attention each day.
    Perf 99
    Acce 94
    Sec 100
    Priv 100
    Rel 100
    Std 85
    Disc 35
    mywizard.ai · measured 2026-11-03
    7/7 frames
  14. 14
    AI Emaily
    AI Emaily is an AI-powered email client with autonomous drafting and sending capabilities.
    Perf 100
    Acce 97
    Sec 25
    Priv 100
    Rel 100
    Std 100
    Disc 87
    aiemaily.com · measured 2026-10-30
    7/7 frames
  15. 15
    bytemail
    A fast, native email client for macOS that keeps your mail off third-party servers.
    Perf 99
    Acce 97
    Sec 100
    Priv 100
    Rel 45
    Std 86
    Disc 85
    bytemailapp.com · measured 2026-11-03
    7/7 frames
  16. 16
    offduty
    offduty holds your Gmail inbox and delivers messages on a schedule you set.
    Perf 99
    Acce 91
    Sec 55
    Priv 100
    Rel 100
    Std 92
    Disc 75
    offduty.me · measured 2026-10-30
    7/7 frames
  17. 17
    Skim
    Skim is a free, open-source AI email client for Windows built on a native Rust core.
    Perf 97
    Acce 97
    Sec 25
    Priv 100
    Rel 100
    Std 92
    Disc 100
    skim-tech.com · measured 2026-10-30
    7/7 frames
  18. 18
    Flick
    Flick turns your email inbox into a swipe deck for faster triage and replies.
    Perf 99
    Acce 92
    Sec 45
    Priv 75
    Rel 100
    Std 92
    Disc 100
    flicked.email · measured 2026-11-02
    7/7 frames
  19. 19
    All Your Inboxes
    A single inbox hub for email addresses spread across multiple domains.
    Perf 74
    Acce 97
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 85
    allyourinboxes.com · measured 2026-11-10
    7/7 frames
  20. 20
    GotEmail
    GotEmail is a native Mac email app with a one-time purchase price.
    Perf 82
    Acce 95
    Sec 25
    Priv 100
    Rel 100
    Std 92
    Disc 100
    gotemail.net · measured 2026-11-03
    7/7 frames
  21. 21
    Superhuman
    Superhuman offers an AI-powered suite covering email, writing assistance, and collaborative docs.
    Perf 55
    Acce 100
    Sec 100
    Priv 75
    Rel 100
    Std 89
    Disc 75
    superhuman.com · measured 2026-10-31
    7/7 frames
  22. 22
    Inbox Classic
    A free, open-source three-pane email client for Windows 10 and 11.
    Perf 100
    Acce 100
    Sec 25
    Priv 100
    Rel 100
    Std 92
    Disc 60
    inboxclassic.com · measured 2026-11-04
    7/7 frames
  23. 23
    Pursuit of Polymathy
    Inbundly is a browser extension that brings Gmail label-based email bundling back to Gmail.
    Perf 100
    Acce 95
    Sec 60
    Priv 25
    Rel 100
    Std 92
    Disc 100
    benoror.bearblog.dev · measured 2026-11-10
    7/7 frames
  24. 24
    saasmail
    Open-source shared inbox for SaaS teams that runs on your Cloudflare account.
    Perf 59
    Acce 91
    Sec 25
    Priv 100
    Rel 100
    Std 100
    Disc 100
    xyspace.dev · measured 2026-10-28
    7/7 frames
  25. 25
    Banger Mail
    Banger Mail is a team email client with shared inboxes and AI-assisted triage.
    Perf 72
    Acce 97
    Sec 25
    Priv 75
    Rel 100
    Std 100
    Disc 100
    bangermail.com · measured 2026-10-30
    7/7 frames
  26. 26
    Codreo Technologies
    Codreo AI Mail helps Outlook users summarize, search, compare and draft email faster with AI-assisted mailbox
    Perf 100
    Acce 97
    Sec 55
    Priv 70
    Rel 72
    Std 71
    Disc 100
    codreo.tech · measured 2026-10-29
    7/7 frames
  27. 27
    Inbox Zero
    Inbox Zero automatically sorts Gmail into categories like Urgent, Read Later, and OTPs.
    Perf 73
    Acce 80
    Sec 45
    Priv 75
    Rel 75
    Std 100
    Disc 100
    inboxzero.website · measured 2026-11-05
    7/7 frames
  28. 28
    Postling
    A one-time purchase Mac app that sorts Gmail without sending your email to cloud AI.
    Perf 94
    Acce 95
    Sec 45
    Priv 25
    Rel 92
    Std 92
    Disc 100
    postling.app · measured 2026-11-08
    7/7 frames
  29. 29
    SignalAI
    AI email monitor that reads your inbox and texts you when something is urgent.
    Perf 81
    Acce 88
    Sec 45
    Priv 75
    Rel 100
    Std 85
    Disc 50
    signal.worklessapp.com · measured 2026-11-06
    7/7 frames
  30. 30
    mainly
    A self-hosted webmail client for people who run a lot of addresses across a lot of domains. One list, one keyb
    Perf 96
    Acce 100
    Sec 60
    Priv 25
    Rel 60
    Std 92
    Disc 85
    mainly.crnst8.com · measured 2026-11-05
    7/7 frames
  31. 31
    OrganizeInbox
    AI-powered email organizer that sorts, labels, archives, and deletes emails automatically.
    Perf 87
    Acce 100
    Sec 45
    Priv 0
    Rel 92
    Std 92
    Disc 100
    organizeinbox.email · measured 2026-11-10
    7/7 frames
  32. 32
    Upstream
    AI-assisted email inbox that organizes messages and drafts replies in your voice.
    Perf 38
    Acce 90
    Sec 55
    Priv 45
    Rel 92
    Std 89
    Disc 100
    upstream.do · measured 2026-11-03
    7/7 frames
  33. 33
    MailCode
    Desktop email client for EWS and IMAP that stores all mail locally on your own disk.
    Perf 73
    Acce 98
    Sec 25
    Priv 25
    Rel 92
    Std 92
    Disc 100
    mailcode.app · measured 2026-11-08
    7/7 frames
  34. 34
    Gmail
    Gmail is Google's web-based email service.
    Perf 86
    Acce 100
    Sec 20
    Priv 70
    Rel 92
    Std 85
    Disc 35
    mail.google.com · measured 2026-11-08
    7/7 frames
  35. 35
    Mocca
    Mocca is a Mac desktop email client that sorts your inbox using a local AI model.
    Perf 99
    Acce 88
    Sec 25
    Priv 25
    Rel 92
    Std 85
    Disc 75
    mocca.run · measured 2026-11-10
    7/7 frames
  36. 36
    AI Email Assistant
    An AI tool that summarizes and triages your Gmail inbox.
    Perf 100
    Acce 95
    Sec 45
    Priv 25
    Rel 92
    Std 92
    Disc 35
    email-assistant-mvp.vercel.app · measured 2026-11-04
    7/7 frames
  37. 37
    NeoInbox
    A Thunderbird extension that recreates the Google Inbox email experience locally.
    Perf 97
    Acce 93
    Sec 45
    Priv 25
    Rel 75
    Std 92
    Disc 57
    neoinbox.freakified.net · measured 2026-11-08
    7/7 frames
  38. 38
    Sugar Mail
    Sugar Mail is an ad-free email app for Android supporting any mail service.
    Perf 69
    Acce 97
    Sec 45
    Priv 45
    Rel 92
    Std 92
    Disc 15
    sugarmail.app · measured 2026-11-04
    7/7 frames
  39. 39
    TriageBox
    Chrome extension that trims a Gmail inbox via archive, snooze, and unsubscribe actions.
    Perf 73
    Acce 95
    Sec 25
    Priv 0
    Rel 92
    Std 73
    Disc 100
    triagebox.pfa87.cc · measured 2026-10-29
    7/7 frames
  40. 40
    Curier
    Curier is a small open-source email client for macOS that groups mail into feeds.
    Perf 72
    Acce 89
    Sec 45
    Priv 25
    Rel 92
    Std 67
    Disc 15
    iamflowz.github.io · measured 2026-10-28
    7/7 frames
What this does not say
This ranks how production-ready each product's public surface is — not how well it does its job. For email client, that means it does not measure the quality of the work itself. Products whose sites block automated readers are left out rather than ranked last — we did not measure them, and bottom placement would claim something we never observed. Scores are floors: anything set at a CDN, a proxy or behind a login is invisible from the public surface.

All measured categories → · Browse the directory →