Tool category
Email & communication
Write faster, summarise your inbox and reply with confidence.
Email AI writes, summarises and answers messages faster – right in your inbox or via an assistant. For clean wording, free helpers are enough. Anyone who really wants to automate their inbox reaches for an AI mail client or an Office integration.
How do I choose the right tool?
- For better wording, a free writing helper is enough.
- If you want to automate the inbox, pick an AI mail client.
- Check the connection to your provider (Gmail, Outlook).
- For business mail, review the data-privacy terms.
Best free tools
Permanently usable free tier – try it at no cost.
- 1
Gemini in GmailGoogle
Smart Reply/Compose and AI helpers right in free Gmail
Reply suggestions, Drafting emails, Summarising threads
Free (basic features)Free tierOpen - 2
Shortwave (Free)Shortwave
AI email client for Gmail: summaries, natural-language search
Inbox summaries, Email search, Prioritising what matters
Free (basic AI, 90 days)Free tierOpen - 3
Grammarly (Free)Superhuman
Spelling & tone checking as you write in any email client
Error-free emails, Tone check, Clearer phrasing
Free (100 AI prompts/mo)Free tierOpen - 4
ChatGPT / ClaudeOpenAI / Anthropic
Drafting delicate emails, replies in several tones
Difficult replies, Negotiation tone, Shortening
Free (limits)Free tierOpen
Best premium tools
Monthly prices as entry and maximum plan (approximate).
- 1
SuperhumanSuperhuman
The fastest email client with AI: instant reply, summaries, follow-up reminders
Inbox zero, Sales emails, VIP communication
From 25 $Max approx. 33 $/user/moOpen - 2
Microsoft 365 Copilot (Outlook)Microsoft
Thread summaries, reply drafts, coaching right in Outlook
Taming long threads, Business emails, Reply drafts
From approx. 18 €Max 26 €/user/moOpen - 3
Google AI Pro (Gmail)Google
Full Gemini power in Gmail: query your inbox, drafts from context
Querying the inbox, Context replies, Summarising attachments
From approx. 22 €Max approx. 220 €/moOpen - 4
Shortwave ProShortwave
AI autopilot for replies, bundling, team inboxes
Auto triage, Team inbox, Follow-up reminders
From 18 $Max 120 $/user/moOpen - 5
MailMaestroMaestro Labs
AI add-in for Outlook & Gmail: drafts, summaries, your own tone
Outlook workflows, Heavy emailers, Multilingual replies
From 15 $Max 25 $/moOpen
Matching guides & automations
Set up and automate a newsletter
From topic planning through text and image to an automated sending setup.
Automate your email inbox with AI
Automatically sort and summarise incoming emails and generate reply drafts in your own tone.
Email triage: classify & draft replies
Your inbox sorts itself – important mail first, ready-made reply drafts already waiting. One of the biggest daily time-savers.
Daily inbox assistant
Every morning a short summary of yesterday's important mail – plus a ready to-do list. Instead of reading your inbox: an overview in two minutes.
Task extraction from mail & chats
Emails and chats turn into clean tasks in your own to-do app automatically. No more forgotten commitments.
Lead qualification & follow-up
Incoming enquiries get scored automatically and receive a fitting first reply right away. Important leads aren't lost, first contact is fast.