What is the best AI tool for writing emails?

On AIToolMaps, Rytr ranks first for writing emails, followed by Shortwave and Grammarly. The ranking weighs how central the job is to each tool, how complete and checked its listing is, and what members upvote, save and review.

Is there a free AI tool for writing emails?

Yes. 5 of the 8 tools listed for writing emails have a free plan or are free to use, including Rytr, Grammarly and Clay.

Which AI tools for writing emails have an API?

4 of them offer an API for developers, including Rytr, Jasper and Clay.

Can I do writing emails on my phone?

Yes. 2 of the tools have an iPhone or Android app, including Shortwave and Grammarly.

Task · Writing

Best AI tools for writing emails

Ranked by how central this job is to each tool, how complete and checked its listing is, and what members upvote, save and review.

Tools: 8
Free options: 5
Updated: Nov 5

Sort

1
RytrVerified Nov 4, 2026
AI writing assistant for client-facing teams that drafts in your voice and tracks follow-ups.
Free tierBrowser extension
Visit
2
ShortwaveVerified Nov 4, 2026
An AI email assistant for teams and professionals that organizes inboxes, drafts replies, and schedules meetings.
Free trial · from $30/moiOS, Android, Mac, Windows
Visit
3
GrammarlyVerified Nov 3, 2026
An AI writing assistant that checks grammar, tone, and clarity for individuals, teams, and organizations.
Free tier · from $12/moWeb, Windows, Mac, Android, iOS
Visit
4
JasperVerified Nov 4, 2026
An AI marketing platform for teams that need on-brand content and repeatable campaign workflows.
Free trial · from $59/moWeb, API, Browser extension
Visit
5
ClayVerified Nov 4, 2026
Clay helps GTM teams source and enrich data, run agents, and build outbound workflows.
Free tier · from $185/moAPI, Command line
Visit
6
AnywordVerified Nov 4, 2026
AI content platform that scores marketing copy before your team publishes it.
Free trial · from $49/moWeb, API, Browser extension
Visit
7
SuperhumanVerified Nov 4, 2026
AI assistant and work suite for individuals and teams, with agents in tabs, email, and docs.
Free tier · from $12/moWeb, Browser extension
Visit
8
WordtuneVerified Nov 4, 2026
AI writing assistant for students and professionals to rewrite, proofread, summarize, and translate into English.
Free tier · from $4.89/moBrowser extension
Visit

How to choose

The tools differ mainly in what they are built around. Rytr combines drafting in your voice with relationship memory and follow-up drafts, while Shortwave is an email client focused on inbox organization, summaries, reply drafting, and team collaboration. Grammarly emphasizes proofreading, tone, rewrites, and team style guides; Wordtune focuses on rewriting, grammar checks, summaries, and English translation. Superhuman bundles an AI assistant with Mail, Docs, and Grammarly. Jasper and Anyword are aimed more at marketing copy and brand consistency. Platforms vary too: Shortwave has desktop and mobile apps, Grammarly works on web and mobile, and Rytr and Wordtune are browser extensions. Check free options—Rytr, Grammarly, Superhuman, and Wordtune list free plans—while Shortwave, Jasper, and Anyword offer trials but no free plan.

Writing articles and blog posts Automating repetitive tasks Checking grammar and spelling Writing ad copy Writing marketing copy Automating workflows between apps Checking for plagiarism Managing social media

Common questions

What is the best AI tool for writing emails?: On AIToolMaps, Rytr ranks first for writing emails, followed by Shortwave and Grammarly. The ranking weighs how central the job is to each tool, how complete and checked its listing is, and what members upvote, save and review.
Is there a free AI tool for writing emails?: Yes. 5 of the 8 tools listed for writing emails have a free plan or are free to use, including Rytr, Grammarly and Clay.
Which AI tools for writing emails have an API?: 4 of them offer an API for developers, including Rytr, Jasper and Clay.
Can I do writing emails on my phone?: Yes. 2 of the tools have an iPhone or Android app, including Shortwave and Grammarly.