Grammarly Review 2026

Grammarly is the most widely deployed writing assistant on the market. The company states that more than 40 million people and 50,000 organizations use it, and verified paying users rate it highly wherever they are asked: 4.7 out of 5 on G2 and the same on Capterra. What makes a straight answer hard is not the correction quality — it is the plan structure and the billing terms underneath it, which are the source of almost all of the complaints you will find about the product.

The Short Version

If you need a short answer before the detail: Grammarly is a genuinely good English correction and rewriting tool wrapped around a billing model you should read carefully before paying.

• Buy it if you write in English professionally — email, reports, documentation, client communication, academic work — and you want corrections to appear inline in the apps you already use. Non-native English speakers get the most obvious return.
• The catch to plan for is annual billing. Pro is advertised at $12 per month, but that rate only exists because you pay $144 up front for a full year, and Grammarly's terms make payments generally non-refundable once a billing cycle has processed.
• Skip it if you write only occasionally, if you write mainly in languages other than English, or if your work is stylized creative prose where the tool's corrections will keep fighting your intent.

What Grammarly Costs in 2026

Grammarly publishes three tiers on its pricing page. The names and prices below were checked there on 27 September 2026.

The gap between the two Pro figures is the whole story. The $12 headline is an annual-billing rate; paid monthly, the same plan costs $30. Choosing annual saves real money over twelve months, but it means a single $144 charge up front, and that lump-sum charge — often noticed only afterwards — is the single most common complaint in consumer reviews of Grammarly. If the number you see on a comparison site is $12, read it as "twelve months paid in advance."

Grammarly does offer a seven-day Pro trial, and the page states you are reminded two days before it ends. If you want to test Pro, start the trial, and decide before it converts — the no-refund policy means the decision point is the charge, not the following month.

Free vs Pro vs Enterprise: What You Actually Unlock

The table below condenses Grammarly's own plan-comparison matrix. The pattern is clear: the Free tier covers correctness, and everything that touches rewriting, tone, and integrity checks sits behind Pro.

Two entries deserve a second look. First, the AI-prompt allowance: 2,000 a month sounds generous until you use the assistant as part of a daily writing routine, at which point heavier users report reaching the cap within a few weeks. Second, the security features that enterprise IT departments ask about — SSO, provisioning, key management — exist only on the tier that has no published price. That is normal for the category, but it means the "how much does Grammarly cost" question has no single answer for a team.

Where Grammarly Genuinely Wins

• Coverage across the apps you already use. Grammarly works in the browser, as a desktop app, inside Google Docs, and as a mobile keyboard. Reviewers consistently name this as its defining advantage, and no competitor matches the breadth — a tool that lives in a separate tab is one people stop opening.
• Real-time correction quality. The grammar engine is the part that earns the 4.7 ratings from verified users. It catches register and word-choice problems that a plain spell-checker misses, which is precisely the class of error non-native speakers cannot self-detect.
• Tone detection as a free feature. Being able to see whether a message reads as confident or hesitant is useful even before you pay, and it is included on the Free tier.
• Enterprise compliance posture. SOC 2 Type 2 certification and GDPR compliance make it one of the few AI writing tools that clears enterprise IT review without a debate — which is why the Enterprise tier can go unpriced and still sell.

Where It Falls Short

Billing, not correction, drives the bad reviews

Grammarly's consumer-facing review scores sit far below its business-software scores, and the gap tracks one subject: billing. The recurring pattern is a user who selects the annual plan, sees it presented as a monthly figure, and only then discovers that a full year was charged at once. The product scores and the billing scores are measuring different things, and the low ones are about the second. If you read those reviews, read them as a warning to check the billing screen, not as evidence the tool corrects badly.

The Android app lags well behind iOS

Public store ratings split sharply by platform: the Apple App Store sits in the mid-4s, while Google Play reviews average around 2.9 out of 5, with a persistent pattern of delays, missed suggestions and crashes reported over several years. If Android is your primary writing device, trial it there specifically rather than assuming the desktop experience transfers.

Your text is processed in the cloud

Grammarly works by sending text to its servers for analysis. That is how real-time correction works, and the company publishes detailed privacy and compliance documentation — but it is a policy decision, not a technical one, for anyone handling client-confidential, legal, medical or unpublished material. Decide before you paste, not after.

It will argue with deliberate style

Grammarly optimizes for clear, conventional professional English. If you write stylized prose, fiction, or brand copy with a deliberate voice, a meaningful share of its suggestions will be corrections of things you did on purpose. Frequent complaints from specialist writers are over-correction and generic-sounding AI rewrites that flatten a distinctive voice.

How Grammarly Compares to the Main Alternatives

The comparison figures below are drawn from third-party reviews and vendor pricing pages and will move; treat them as orientation, not a live quote.

Two honest notes on that table. Grammar-and-integration leadership belongs to Grammarly; depth of style analysis belongs to ProWritingAid; multilingual and privacy-driven use belongs to LanguageTool; and paraphrasing is QuillBot's whole purpose. There is no single winner, because these tools are optimized for different tasks. If your work is English-first professional writing, the integration coverage is the feature that keeps Grammarly installed.

Who Should Buy It — and Who Should Not

Buy Pro if you write in English every working day and the errors that cost you are the subtle ones — register, word choice, awkward phrasing — rather than obvious typos. Non-native speakers and professionals whose writing is seen by clients get the clearest return, and a single avoided embarrassment often covers the annual fee.

Stay on Free if your need is a safety net for obvious mistakes. The Free tier's spelling, grammar and tone checks are among the most capable free offerings in the category, and 100 AI prompts a month is a real allowance for occasional use. Upgrade only when writing starts carrying professional weight.

Avoid it if you write mainly outside English, write fiction or strongly stylized copy, or cannot accept a non-refundable annual charge. In those cases the free tier and a different tool are usually the better combination than a discounted annual commitment.

Frequently Asked Questions

Is the Grammarly Free plan actually usable?

Yes. Free covers spelling, grammar and punctuation correction, shows you your writing tone, and includes 100 AI prompts a month, with no credit card required. It is enough to correct real work and to evaluate the tool. What it does not include is any of the rewriting, tone-adjustment or plagiarism features, which are Pro-only.

What is the real difference between $12 and $30 for Grammarly Pro?

They are the same plan on different billing cycles. $12 per month is the effective rate when you pay for a year at once ($144 up front); $30 is the monthly price if you do not commit to the year. Annual billing saves money overall but concentrates it into one non-refundable charge, which is why it generates so many complaints.

Can I cancel Grammarly and get a refund?

Canceling stops future renewals, and Grammarly has improved its self-service cancellation flow. Refunds, however, are not standard: the terms state payments are generally non-refundable once a cycle has processed. Treat the moment of charge, not the following month, as your decision point.

Is Grammarly worth it for non-native English speakers?

This is where it earns the most consistent praise. Non-native speakers report catching errors that "sound wrong" but are invisible to them — word choice, register and cultural context — and the explanations help them learn the rule rather than just accept the fix. If English is your second language and you write professionally in it, the case for Pro is strongest.

Why do Grammarly's review scores differ so much between sites?

Because the sites collect different things. Software-review platforms such as G2 and Capterra gather feedback from verified, usually long-term users and sit around 4.7 out of 5. Consumer review platforms gather anyone with a grievance, and Grammarly's recurring grievance is billing, which pulls those scores down. Both are real signals about different parts of the experience.

Does Grammarly detect AI-generated text and plagiarism?

Yes, on Pro. The plan adds AI-text detection and accidental-plagiarism checking. Both are useful guardrails, and — like every detector in this category — neither is perfect, so treat a flag as a prompt to review, not a verdict. For a broader look at where these tools fit, see our guide to AI writing tools and our roundup of AI tools worth considering.