Grammarly
A writing assistant that works everywhere you already type.
- AI
- Writing and content
- Productivity
- Marketing
- from $12/mo
Grammarly checks grammar, clarity, tone and style across browsers, desktop applications and mobile keyboards, with generative features for drafting and rewriting. Its distinguishing quality is not the checking itself but the distribution: it appears inside the tools people already write in, rather than asking them to write somewhere new.
Grammarly ranking and coverage
- In AI
- #3 of 9
- Overall
- #29 of 122 tied
- Terms score
- 6.8 /10
- Referenced here
- 0 pages
Cost position 6.3 · Portability 5 · Subscription flexibility 9 - Ranked on published terms only: entry price against category peers, portability and subscription flexibility, equally weighted. This is not a quality score.How the rank is calculated.
Grammarly: the short answer
Every line below is drawn from facts verified on 19 August 2026.
- What it is
- A writing assistant that works everywhere you already type
- Best for
- Professionals writing email and documents all day
- Starts at
- Free plan available; Pro $12/month
- Free option
- Free plan available, 7 days on Pro trial
- Biggest strength
- Works inside almost every application people actually write in
- Biggest drawback
- Suggestions flatten distinctive writing towards corporate neutral
- Based on
- Primary-source research, not hands-on use
- Closest alternative
- ProWritingAid - Deeper stylistic analysis for long-form writing, with a lifetime licence option
- True annual cost
- from $144 a year on Pro, the cheapest paid tier ($12 a month)
Grammarly at a glance
| Best for | Professionals writing email and documents all day, Non-native English speakers working in English, Teams wanting consistent tone across customer communication |
|---|---|
| Category | AI, Productivity, Marketing |
| Starting price | Free plan available; Pro $12/month |
| Free plan | Yes |
| Free trial | 7 days on Pro |
| Pricing model | freemium |
| Company | Superhuman, formerly Grammarly, Inc. |
| Founded | 2009 |
| Headquarters | San Francisco, California, United States |
| Founders | Max Lytvyn, Alex Shevchenko, Dmytro Lider |
| Platforms | Web, Windows, macOS, iOS, Android |
| Public API | Yes |
| Browser extension | Yes |
| Mobile apps | iOS + Android |
| Self-hosting | No |
| Affiliate programme | Affiliate programme advertised, paying per referred subscription |
| Data source | Vendor pricing page and public records |
| Last checked | August 2026 |
Grammarly pricing
Prices below were read from the vendor's own pricing page on 19 August 2026. Pricing model: freemium. Free trial: 7 days on Pro.
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | per month | Grammar, spelling and basic clarity suggestions |
| Pro | $12 | per month | Full rewrites, tone adjustment, plagiarism detection and generative AI |
| Enterprise | Custom | Negotiated | Style guides, analytics, admin controls and security review |
What Grammarly actually costs over a year
A monthly price is not the same thing as a monthly contract. These are the plans above resolved both ways, per seat or unit where the plan is charged that way. Where a vendor quotes only a yearly figure it is divided by twelve rather than left out, and the Quoted column says which figure the vendor actually publishes.
| Plan | Quoted | Monthly | Over 12 months |
|---|---|---|---|
| Pro | per month | $12 | $144 |
Which Grammarly plan should you buy?
| Your situation | Recommended | Why |
|---|---|---|
| You want basic grammar and spelling help | Free | Genuinely useful on its own, and the tier most individuals should start with. |
| You write professionally every day | Pro | $12 a month for rewrites, tone adjustment and generative features. |
| You need a shared style guide and admin controls | Enterprise | Quote only, and bought for consistency across a team rather than for individual writing help. |
| You already pay for an AI assistant | Check for overlap first | ChatGPT or Claude will rewrite and adjust tone too. Grammarly's advantage is that it works everywhere you type, not that it writes better. |
| You cannot send text to a third party | Do not use Grammarly | It works by processing your writing on their servers. No tier changes that. |
Verdict by who you are
Professional writing email all dayYes
It appears inside the tools you already use rather than asking you to write somewhere new, which is the whole reason it works.
Non-native English speakerYes
The clarity and phrasing suggestions are most valuable here, and Free already helps.
Team wanting consistent customer communicationCompare first
Enterprise style guides do this, but confirm the price is worth it against simply writing guidelines.
Experienced editor or authorNo
Suggestions become intrusive, and it has no real editorial judgement about structure or argument.
Organisation with strict data handling rulesNo
Your text is processed externally by design.
Should you buy Grammarly?
Buy Grammarly if…
- Professionals writing email and documents all day
- Non-native English speakers working in English
- Teams wanting consistent tone across customer communication
Do not buy Grammarly if…
- Writers who find suggestions intrusive
- Organisations that cannot send text to a third-party service
- Anyone needing deep long-form editorial judgement
Key features
- Grammar, spelling and punctuation checking
- Clarity and conciseness rewriting suggestions
- Tone detection and adjustment
- Generative drafting and reply composition
- Browser extension covering most web applications
- Desktop apps and a mobile keyboard
- Plagiarism detection on Pro
- Custom style guides and brand tones on Enterprise
Integrations
- Google Docs and Gmail
- Microsoft Word and Outlook
- Slack and LinkedIn
- Chrome, Edge, Safari and Firefox
- Grammarly for Developers SDK
Grammarly screenshots
Captured by us in August 2026 at 1440px, unedited. Interfaces change, so these show the product as it looked on the date we verified this profile. Pricing pages are captured from a US vantage point, so the currency shown matches the USD figures recorded above.
Our assessment
Grammarly's value is proportional to how much you write and how much that writing matters. For someone producing customer emails, proposals and documentation all day, and particularly for people working in a second language, $12 a month is easily justified. The free tier is genuinely useful rather than a demonstration, which is unusual. Two caveats deserve weight: the suggestions push towards a flat, corporate register that experienced writers will fight, and the service processes your text on its own servers, which is a real question for legal, medical and regulated organisations regardless of the compliance page.
What works in Grammarly
- Works inside almost every application people actually write in
- Free tier is genuinely useful for everyday correctness
- Excellent for non-native speakers writing professionally
- Tone detection catches unintended abruptness in email
What doesn't
- Suggestions flatten distinctive writing towards corporate neutral
- Text is processed on Grammarly's servers, which some organisations cannot allow
- Generative features overlap with assistants many teams already pay for
- Browser extension adds noticeable weight in some applications
EveryAny Decision Score
3 of these 8 dimensions are calculated from verified facts; the rest are our judgement, shown as a band rather than a figure unless something specific sits behind them. How each score works.
- Cost position6.3/10
derivedentry tier at $12 a month against a category median of $17 a month across 8 comparable tools
- Portability5/10
derivedpublic API
- Subscription flexibility9/10
derivedfree plan, free trial, freemium, monthly billing
- Feature depthModerate
editorialour judgement, with no measurement behind it
- Ease of learningVery high
editorialour judgement, with no measurement behind it
- CollaborationModerate
editorialour judgement, with no measurement behind it
- AI capabilityHigh
editorialour judgement, with no measurement behind it
- Professional adoptionVery high
editorialour judgement, with no measurement behind it
What leaving Grammarly would cost
moderate lock-in
Grammarly scores on public API. Portability 5/10 ; lock-in is the inverse. How this is calculated.
Grammarly competitors and alternatives
| Alternative | Why you might pick it instead |
|---|---|
| ProWritingAid | Deeper stylistic analysis for long-form writing, with a lifetime licence option. |
| LanguageTool | Open source, cheaper, and self-hostable for privacy-sensitive teams. |
| ChatGPT or Claude | More capable at rewriting, without the everywhere-you-type integration. |
Distribution is the product
Better checking exists. What does not exist elsewhere is a correction appearing in Gmail, Word, Slack, Salesforce and a CMS text box without the writer changing anything about how they work. That is why Grammarly survived the arrival of general-purpose AI assistants: those are better at rewriting but require you to leave what you are doing, paste, and come back.
The privacy question is not rhetorical
Grammarly transmits the text you write to its servers for analysis. It publishes security certifications and enterprise controls, and for most business writing that is an acceptable trade. For lawyers handling privileged material, clinicians handling patient data, or anyone under strict confidentiality obligations, it is a genuine blocker, and LanguageTool self-hosted is the usual alternative.
Check with whoever owns your data policy before rolling this out, not after.
Free versus Pro
Free handles grammar, spelling and basic clarity, and for many people that is the whole benefit. Pro adds full-sentence rewrites, tone adjustment, plagiarism detection and generative drafting. The test is simple: if you routinely rewrite sentences to sound better rather than to be correct, Pro pays for itself. If you just want typos caught, stay free.
Where it works against you
Grammarly optimises for clarity and neutrality, which is right for a support reply and wrong for anything with a voice. Its suggestions will steadily strip idiosyncrasy out of your writing if you accept them uncritically. Treat it as a proofreader whose advice you can decline, not a style authority.
Grammarly questions, answered
- Is Grammarly worth it?
- Grammarly's value is proportional to how much you write and how much that writing matters.
- How much does Grammarly cost?
- Free plan available; Pro $12/month. The cheapest paid tier we recorded is Pro, published at $12 a month, which works out at $12 a month or $144 over a year. Verified against the vendor's pricing page.
- Does Grammarly have a free plan or free trial?
- Grammarly has a free plan. A free trial is available: 7 days on Pro.
- What is the best Grammarly alternative?
- It depends on the job. ProWritingAid: Deeper stylistic analysis for long-form writing, with a lifetime licence option. LanguageTool: Open source, cheaper, and self-hostable for privacy-sensitive teams. ChatGPT or Claude: More capable at rewriting, without the everywhere-you-type integration.
- Can I self-host Grammarly?
- No. Grammarly is a hosted service only, so your data lives on the vendor's infrastructure.
What this profile is based on
Every claim below is about our work, not about Grammarly. A "no" is recorded rather than omitted, because the difference between a tested review and careful desk research is the reader's to weigh. How we research a profile.
-
Prices read from the vendor : yes
Read from Grammarly's own pricing page on 19 August 2026
-
Plans and terms recorded : yes
3 rows, each with its billing period
-
Original screenshots : yes
2 captured by us: homepage, pricing page
-
Sources cited and dated : yes
2 primary sources, each with the date it was read
-
Product used first-hand : no
Not tested. This profile is desk research from primary sources
-
Alternatives used first-hand : no
None, so comparisons here rest on published facts rather than use
-
Vendor contacted : no
Not contacted for this profile
Desk research from Grammarly's own plans page, read on 19 August 2026 through a United States egress. Nobody here has used Grammarly for a documented test, and no suggestion quality was assessed.
Where Grammarly appears on this site
No buyer guide, article or other profile here references Grammarly yet. Its own record is verified and dated, but it has not been placed against alternatives in a comparison, so there is nothing further to link to. Until then the category index is the best place to see what it sits beside.
Counts pages on this site that name the product by choice - buyer guides, articles, deal records and other profiles. Category and directory indexes list everything automatically and are not counted.
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Provenance and freshness
When each fact was last checked
- Pricing ·
- Plans ·
- Free trial
- Features
- Platforms
- Integrations
- Affiliate programme
- Company details ·
What has changed
-
August 2026
- Prices re-read for the AI assistants guide; Free and Pro at $12 a month unchanged
-
August 2026
- Pricing verified
- Recorded that the company now trades as Superhuman following its rebrand
- Added plan picker and verdicts
Sources & verification
Facts on this page were read from the sources below on the dates shown. Where a vendor does not publish a figure, we record it as not disclosed rather than estimating it.
- Grammarly plans - checked 19 August 2026
- Superhuman product lineup, listing Grammarly alongside Mail and Docs - checked 19 August 2026
Spotted something out of date? Email [email protected] and we will re-check it. Corrections are logged on the page.
