BUSINESSSuperhuman (Grammarly)AI writing
Emails that say exactly what you mean.
Superhuman is the new name for Grammarly. The suite checks grammar, tone and clarity right where you write – email, docs, Slack or browser – and adds an AI assistant and email client on top.
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- Formerly Grammarly
- Works in any text field
- Free plan
Before / after
Write what you mean – the first time.
Before
Read it three times, still unsure
Too stiff? Missing a comma? Polite enough for that important client?
With the tool
Accept the suggestion, move on
Superhuman underlines errors and clunky phrasing right in your text and suggests something better – one click to apply.
What it looks like
What the suggestions look like
Red line: mistake. Blue line: say it more clearly. You can also rewrite or translate whole paragraphs.
I want to inform you that we will send the offer until Friday.
Superhuman suggestsJust a quick note: we’ll send the offer by Friday.
Who it’s for
For anyone who writes a lot at work.
A great fit if you …
- write emails, proposals or docs every day,
- work with clients in other countries,
- want your writing shorter and clearer, fast,
- write across many different apps.
Probably not if you …
- rarely write,
- are happy with your built-in spell checker,
- work for a company that doesn’t allow extensions like this.
What it does
What the suite does
- Grammarly – grammar, spelling, tone and clarity in any app.
- Rewrite & translate – rewrite paragraphs in 24 languages, translate in 17 (limited on free).
- Go – an AI assistant that sees where you work and answers questions.
- Docs – collaborative documents with an AI assistant.
- Mail (Business) – the Superhuman email client with AI sorting, from the Business plan.
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Pricing
Free catches mistakes, Pro polishes style
Free
€0forever
Grammar and spelling in 20+ languages, limited rewrite suggestions.
Pro
€12per month billed annually · €15 monthly
Unlimited rewrites and translations, brand tone, AI-text detection.
Try Pro AdBusiness
€33per user/month billed annually · €40 monthly
Adds Superhuman Mail with AI sorting and more automation.
Prices in EUR per user per superhuman.com/plans as of October 27, 2026 (prices vary by region). *Correctness checks in 20+ languages according to the vendor; style and clarity suggestions are most mature in English. Enterprise on request.
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Up and running in 3 steps
- 01
Create a free account
Sign up and install the desktop app or browser extension.
- 02
Write normally for a week
Watch the suggestions in your email and docs.
- 03
Then decide
If you use rewrites all the time, Pro is worth it.
FAQ
Is Superhuman the same as Grammarly?
Yes. The company behind Grammarly renamed itself Superhuman in October 2025. Grammarly lives on as part of the Superhuman suite, alongside Docs, the Go assistant and Superhuman Mail.
Is Superhuman free?
There’s a free plan with grammar and spelling checks. Pro costs €15 per month or €12 per month billed annually in Europe (as of October 2026).
Where does it work?
In the Mac and Windows desktop app, as a browser extension and in the iPhone and Android apps – in almost any text field, from Gmail to Slack.
Does Grammarly work in other languages?
Yes. Since 2025 Grammarly checks more than 20 languages, including German, French and Spanish, according to the vendor. English remains the most complete.
Luigi Lugmayr – founder of I4U, in marketing and digital since the 90s, most recently CMO for seven years. I feature AI tools that save time in everyday work. I check features and pricing directly with each vendor. This is an overview, not a long-term test.
Sources: superhuman.com/plans (retrieved Oct 27, 2026), support.grammarly.com
Try it on your next important email.
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