The best Outlook with Copilot alternatives in 2026
Microsoft Copilot inside Outlook for thread summaries, drafting and writing coaching. Outlook with Copilot scores 7.5/10 in our AI email assistants ranking. 4 alternatives score higher. Every app below is scored with the same published rubric.
9 alternatives, best first
Full AI email assistants ranking →- 1
Gmail with Gemini
Best forAnyone already using Gmail who wants AI help without switching apps
Gemini built into Gmail: free thread summaries, Help Me Write and suggested replies
Has that Outlook with Copilot doesn't: Drafts replies in your own writing style · Automatically sorts or prioritises your inbox
Free plan · paid from $7.99/month
Our Gmail with Gemini verdict →Outlook with Copilot vs Gmail with Gemini
8.3/10★★★★★Visit ↗ - 2
Superhuman Mail
Best forProfessionals who handle a lot of email every day and will pay for speed
Fast, keyboard-driven email app with AI drafts, summaries and Ask AI for Gmail and Outlook
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Drafts replies in your own writing style
From $25/month
8.0/10★★★★★Visit ↗ - 3
Spark Mail
Best forPeople juggling several email accounts who want AI help at a low price
Cross-platform email app with a smart inbox, Spark +AI writing and team features
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Automatically sorts or prioritises your inbox
Free plan · paid from $8.25/month
8.0/10★★★★★Visit ↗ - 4
Shortwave
Best forGmail and Google Workspace users who want an AI-first inbox
AI-first Gmail app with an assistant that searches, drafts, filters and schedules
Has that Outlook with Copilot doesn't: Drafts replies in your own writing style · Automatically sorts or prioritises your inbox
Free trial · from $30/month
7.6/10★★★★★Visit ↗ - 5
Canary Mail
Best forPrivacy-conscious users with several accounts who want cheap AI help
Privacy-focused email app with an AI Copilot for drafts and summaries, from $3 a month
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Automatically sorts or prioritises your inbox
Free plan · paid from $3/month
7.5/10★★★★★Visit ↗ - 6
Spike
Best forPeople and small teams who want email to feel like chat
Chat-style email app with Magic AI summaries and drafts, team chat and video calls
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Automatically sorts or prioritises your inbox
Free plan · paid from $6/month
7.3/10★★★★★Visit ↗ - 7
Fyxer
Best forMeeting-heavy professionals who want help with email without switching apps
Sorts your Gmail or Outlook inbox, drafts replies in your voice and takes meeting notes
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Drafts replies in your own writing style
Free plan · paid from $37/month
7.1/10★★★★★Visit ↗ - 8
Apple Mail with Apple Intelligence
Best foriPhone and Mac users who want basic AI email help for free
Free AI in Apple Mail: summaries, priority messages, smart replies and categories
Has that Outlook with Copilot doesn't: Automatically sorts or prioritises your inbox · Free plan includes AI features
Free
7.0/10★★★★★Visit ↗ - 9
Missive
Best forSmall teams sharing client, sales or support email
Shared team inbox for email, SMS and chat with a bring-your-own-model AI assistant
Has that Outlook with Copilot doesn't: Works with both Gmail and Outlook accounts · Team collaboration or shared inboxes
Free trial · from $11.20/month
6.7/10★★★★★Visit ↗
Quick answers
What is the best alternative to Outlook with Copilot?
In our AI email assistants ranking, Gmail with Gemini scores highest among the alternatives (8.3/10). Best for: Anyone already using Gmail who wants AI help without switching apps. Outlook with Copilot scores 7.5/10.
Is there a free alternative to Outlook with Copilot?
Yes. Gmail with Gemini has a free plan (Thread summaries, Help Me Write and suggested replies (US English first, expanding)), and scores 8.3/10 in our ranking.
Why look for a Outlook with Copilot alternative?
Common reasons people switch: Needs a paid Microsoft 365 plan, and usage is capped on cheaper ones. Helper only, with little inbox automation. Limited customisation.