Best AI Email Writing Tools in 2026
Updated
In short: WriteMail.ai is ranked #1 of 28 as of 4 October 2026, ahead of AI Perfect Assistant and Kerna. The best-ranked option with a free plan is AI Perfect Assistant. The lowest first paid tier on this page is WriteMail.ai at $0.42/mo.
If you want help composing or polishing email, these AI tools offer features to compare for different writing workflows. Check browser extension availability and mail client support, then consider how email context input, custom instructions, and tone controls let you guide a draft. Supported languages, free plans, and paid-from pricing add other comparison points. WriteMail.ai, ForthWrite, and Kerna lead the ranked entries, followed by AI Perfect Assistant and MailMaestro. Think about where you write, what context you can provide, and which language and tone options fit the messages you send.
28 AI email writing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 WriteMail.ai Top pick · 7.5 Free plan · $0.42/mo
#2 AI Perfect Assistant Runner-up · 7.2 Free plan · $16.99/mo
#3 Kerna Also great · 7.2 Free plan · €12/mo- Free plan AndroidextensioniOSmacOSWebWindows
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$0.42/mofirst paid tier About WriteMail.aiVisit site - Free plan AndroidextensioniOSWebWindows
- Free plan
- Yes
- Paid from
- 25.99 /user/mo
- Tone controls
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$16.99/mofirst paid tier About AI Perfect AssistantVisit site - Free plan macOSWebWindows
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
- Browser extension
- No
RecognisedDocumentedFree planPlatforms€12/mofirst paid tier About KernaVisit site - Free planFree trial extensionWebWindows
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- inbox
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About EllieVisit site - Free planFree trial apiextensionmacOSWebWindows
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$24/mofirst paid tier About ForthWriteVisit site - Free plan AndroidextensioniOSWeb
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About GPT for GmailVisit site - Free planFree trial extensionWeb
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- inbox
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$14/mofirst paid tier About Jetwriter AIVisit site - Free planFree trial extensionWeb
- Free plan
- Yes
- Paid from
- 12 /user/mo
RecognisedDocumentedFree planPlatforms$1/mofirst paid tier About MailMaestroVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 27 /user/mo
RecognisedDocumentedFree planPlatforms$27/mofirst paid tier About LavenderVisit site - Free plan macOS
- Free plan
- Yes
- Email context input
- thread
RecognisedDocumentedFree planPlatforms$25/mofirst paid tier About DemiVisit site - Free trial extensioniOSmacOSWebWindows
- Free plan
- No
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms$5.40/mofirst paid tier About Professionally AI Email WriterVisit site - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- Yes
- Email context input
- prompt
RecognisedDocumentedFree planPlatforms - Free plan
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- documents
- Browser extension
- No
RecognisedDocumentedFree planPlatforms£39/mofirst paid tier About InReplyVisit site - Web
- Free plan
- Yes
- Paid from
- 99 /user/mo
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
RecognisedDocumentedFree planPlatforms - WebiOSAndroid
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- prompt
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms - Android
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- documents
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Tone controls
- Yes
- Custom instructions
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- prompt
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Tone controls
- Yes
- Custom instructions
- Yes
- Email context input
- thread
- Browser extension
- No
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- prompt
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Tone controls
- Yes
- Email context input
- thread
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Tone controls
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI email writing tool is ranked first on Everything Xiaomi?
WriteMail.ai is ranked #1 of 28 with a score of 7.5. AI Perfect Assistant is second and Kerna third.
How many of these have a free plan?
11 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, WriteMail.ai has the lowest first paid tier we found: $0.42/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.