AI Tools
Best AI Email Assistants in 2026
If email is where your work queues up, an AI assistant may help prepare replies, sort incoming messages, or summarize long threads. Compared on AI reply drafting, inbox triage, thread summaries, follow-up actions, automatic sending, and supported email platforms, these tools cover different parts of the routine.
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Fyxer Fyxer is aimed at salespeople, recruiters, real estate agents, and others with heavy inbox workloads.
From $22.50/mo Free plan Web · Windows · macOS · iOS9.4 Visit Specs - 02
Drag Drag suits teams working in Gmail and Google Workspace that need shared handling of customer communications.
From $12/mo Free trial Web · Windows · macOS · iOS9.3 Visit Specs - 03
Mailbutler Smart Assistant It suits people who want help drafting, improving, summarizing, and organizing email in Apple Mail, Outlook, or Gmail.
From $7/mo Free plan Web · Windows · macOS · Linux9.2 Visit Specs - 04
Perplexity The free plan suits people asking simple questions with limited weekly use.
From $20/mo Free plan Web · Windows · macOS · iOS8.9 Visit Specs - 05 Metis Mail From $9.58/mo Free plan Open source Web · API · Self-hosted8.8 Visit Specs
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Serif Serif suits small businesses and operations teams seeking to automate routine shared-inbox and document work.
From $30/mo Free plan Web · Windows · macOS · iOS8.7 Visit Specs - 07
Spark +AI Individuals and small teams may suit Plus; Pro is described for professionals and client-facing teams.
From $10/mo Free plan Windows · macOS · iOS · Android8.6 Visit Specs - 08 Inbox Zero From $20/mo Free trial Web · iOS · Android · API8.4 Visit Specs
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Demi From $25/mo Free plan macOS8.3 Visit Specs - 10
Kai From $20/mo Free trial Web · macOS · iOS · Android8.3 Visit Specs - 11 Kerna
Kerna suits professionals who want help sorting, drafting, summarizing, or translating email within Gmail or Outlook.
From €12/mo Free plan Web · Windows · macOS8.3 Visit Specs - 12
Spike Spike says its Email App suits people upgrading an existing email experience or managing multiple accounts.
From $4/mo Free plan Web · Windows · macOS · iOS8.3 Visit Specs - 13
MailCopilot Free plan Windows · macOS · Linux8.2 Visit Specs - 14 MailFlow From $12/mo Free plan Web · API · Self-hosted8.2 Visit Specs
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MailMaestro MailMaestro suits professionals who want help composing, revising, and organizing email, especially those working in Gmail or Outlook.
From $12/mo Free plan Web · Browser extension8.2 Visit Specs - 16
Shortwave Shortwave suits people and teams who want AI tools alongside business email, including shared threads, private comments, and assigned next steps.
From $30/mo Free trial Web · Windows · macOS · iOS8.2 Visit Specs - 17 Ellie Free trial Web · Windows · Browser extension8.1 Visit Specs
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EmailAgent Free plan Web8.1 Visit Specs - 19 EmailOps Free plan Windows · macOS · Linux8.1 Visit Specs
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InboxPilot From $32/mo Free trial Web · Self-hosted8.1 Visit Specs - 21
MorningZero From $15/mo Free trial Web · Windows · macOS · Linux8.1 Visit Specs - 22
Superhuman Go It suits people who want in-context writing help and app-connected assistance while working across email, calendars, and other services.
From $12/mo Free plan Web · Windows · macOS · iOS8.1 Visit Specs - 23
InReply From £39/mo Free trial Web8.0 Visit Specs - 24 MailWise From £15/mo Free plan Web7.9 Visit Specs
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Quell From A$14.95/mo Free trial Web · Android · Browser extension7.9 Visit Specs
Mailbutler Smart Assistant, Perplexity, and Spark +AI are among the named options to examine. Check whether each can send automatically or focuses on preparing work for you, and consider the free plan and paid-from price alongside platform compatibility. Those details can help you weigh how much assistance you want against the way you already handle email.