AI email writer for Gmail and Outlook
- Native Gmail and Outlook integration
- Thread summaries and smart replies save time
- Enterprise-grade security certifications
- Focused on email, not broader content
- Important messages still need a human check

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Write better emails faster with AI email assistants, ranked and compared on features, pricing and our Editor Score.
Quick answer
The best email writing tool is MailMaestro β AI email writer for Gmail and Outlook. For a free option, try MailMaestro. We compare all 5 below.
Write better emails faster with AI email assistants. These 5 are the email writing tools we recommend most this year β based on real output quality and fair pricing, with MailMaestro out front. 4 of them have a free tier to start on, then scale to a paid plan when you need more, and each links to a full review with features, pricing and alternatives.
How the top email writing tools compare on pricing.
4 of 5 tools offer a free or freemium plan.
Every tool here is a real, working email writing product. We rank on features & output quality and pricing and value (including free tiers). The list is reviewed regularly so it stays current β read our methodology for the full process.
The factor that decides everything else β can it produce email writing results you'd actually ship? It's why MailMaestro leads this list; judge each tool on output you can use without heavy rework.
4 of these 5 tools have a free or freemium plan. Check the free tier's real limits and whether paid pricing scales fairly with your usage β watch for hidden caps on output or features.
A clean interface and good onboarding mean you get value on day one, not after a week of learning the tool.
Does it connect to the tools you already use β your editor, browser, Slack, Google Workspace or API?
Fast, consistent results matter for daily work. Look at uptime and how the tool handles peak-time load.
Active development, solid docs and responsive support signal a tool that will keep getting better over time.
AI email writer for Gmail and Outlook
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When free is enough
4 of these 5 email writing tools offer a free or freemium plan (MailMaestro is the one we'd start with). Free tiers suit light or occasional use, testing a workflow, or personal projects β though they usually cap usage, features or output quality.
When to go paid
For heavy or professional email writing work, a paid plan like SmartWriter's buys higher limits, team collaboration, priority support and advanced features. If a tool is core to your daily work, the subscription usually pays for itself in time saved.
Email Writing AI shifts month to month β tools ship new features almost monthly and pricing moves as competition heats up. Across the 5 email writing tools here, 4 of the 5 offer a free or freemium plan, and the top two (MailMaestro and WriteMail.ai) are rated within a fraction of each other. We re-review the list regularly, so you're comparing what these tools do today β if one changes its pricing or features, its linked review reflects the latest we've verified.
The top email writing ai tools right now are MailMaestro, WriteMail.ai, Shortwave. We score all 5 on features, pricing, and overall product quality β see the full comparison above.
MailMaestro is a strong free pick (freemium β free tier plus paid upgrades). 4 of the 5 tools on this list offer a free or freemium plan β look for the green badge.
We rank by features, pricing, and overall product quality. Most tools have few or no public reviews, so the Editor Score does the heavy lifting; the list is re-reviewed regularly β see our methodology for the full criteria.
This page compares 5 hand-checked email writing ai tools, and 4 of them have a free tier. Browse the full directory for more options.
MailMaestro is our current top pick, though WriteMail.ai is rated within a fraction of it, but the right choice depends on your needs and budget. Compare it against the other 4 options above before deciding.
MailMaestro is the easiest place to start: it has a free plan, so you can learn email writing basics on a real email writing tool without paying. Once you outgrow it, the paid tools above add more power.
Start with one of the 4 free options above to confirm a email writing tool fits your workflow β for most people the right one earns back its cost in hours saved, but only once it clearly slots into how you already work.
We re-review these email writing ai tools regularly β re-checking pricing, features and the Editor Score, and adding new tools as they launch. This page was last updated in August 2026.
Senior AI Tools Reviewer
Daniel reviews AI tools the slow way β by actually using them on real projects. His reviews cover what works, what breaks, and who each tool is genuinely a good fit for.
AI Guides & Tutorials Lead
Ethan writes hands-on, step-by-step guides that turn complex AI workflows into something anyone can follow. He focuses on practical setups, prompts, and getting real results from everyday tools.
Keep exploring
Last updated August 2026. Rankings are based on features, pricing and our Editor Score (blended with verified user reviews where a tool has them) β see our methodology.