AI Grammar Mentor
What AI Grammar Mentor is
AI Grammar Mentor is a web-based grammar checker that explains the rules behind its corrections. It also provides style suggestions, tone detection, dynamic synonyms matched to a user’s tone, and storytelling tips based on writing voice. Anonymous visitors can check grammar without registering and receive one AI quiz explanation every 24 hours. Free registration provides five explanations per day; the Registered plan supports documents up to 10,000 words and stores up to 10 commonly used phrases. Pro costs $6 a month and adds unlimited explanations, advanced style checking, unlimited document length and snippet storage, multilingual context awareness, and priority support. A Lifetime plan is listed at $199 a month as a one-time payment for the first 50 spots, with future updates and a transferable license. Submitted text is processed in real time, encrypted in transit, and not stored on servers, according to the privacy policy. Browser extensions are also described in the terms.
Who it suits
It suits writers who want grammar corrections explained, plus tone, style, vocabulary, and storytelling guidance in a browser. Free users with modest document and explanation needs can start without payment.
What it does well
- Explains the grammar behind suggestions
- Offers tone-aware dynamic synonyms
- Provides personalized storytelling tips
- Free access without a traditional trial
- Submitted text is not stored on servers
What to know first
- Free registration limits explanations to five daily
- Registered documents are capped at 10,000 words
- Registered users can store 10 snippets
- No traditional Pro trial is offered
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Registered | Basic grammar checking · 5 AI explanations per day · Documents up to 10,000 words · Up to 10 snippets · One-click ignore | Free |
| Pro | Billed yearly at $72 (save $48) · Unlimited AI explanations · Advanced style checking · Unlimited document length · Unlimited snippet storage · Multilingual context awareness · Priority support | $6 a month |
| Lifetime | One-time payment · Only first 50 spots · Everything in Pro, forever · All future updates included · Transferable license | $199, paid once |
As grammar-mentor.com lists them, read 11 Oct 2026. The maker's own page has the final word.
Verdict
AI Grammar Mentor focuses on teaching through explained corrections while adding style and tone tools. Its free limits are clear, while paid plans remove several caps and add broader checking and support.
Facts from AI Grammar Mentor's own pages
- AI data use
- The pricing page says the company does not train AI models on users' writing or sell their data to third parties. · grammar-mentor.com, 11 Oct 2026
- Anonymous access
- The site says users can check grammar without signing up and receive one AI quiz explanation every 24 hours. · grammar-mentor.com, 11 Oct 2026
- Custom services
- The homepage offers bespoke services for clients who need other document formats processed. · grammar-mentor.com, 11 Oct 2026
- Data controls
- The privacy policy says users can request access to, correction of, or deletion of their personal data. · grammar-mentor.com, 11 Oct 2026
- Free plan
- Yes · grammar-mentor.com, 22 Sept 2026
- Free plan limit
- The Registered plan allows documents up to 10,000 words and storage for up to 10 commonly used phrases. · grammar-mentor.com, 11 Oct 2026
- Grammar explanations
- The service explains the grammatical rules behind suggestions and includes AI-powered grammar explanations. · grammar-mentor.com, 11 Oct 2026
- Headquarters
- Switzerland · grammar-mentor.com, 28 Sept 2026
- Privacy
- The privacy policy says submitted text is processed in real time, is not stored on the servers, and is encrypted in transit. · grammar-mentor.com, 11 Oct 2026
- Pro audience
- The Pro plan is described as intended for serious writers who want to improve. · grammar-mentor.com, 11 Oct 2026
- Purpose
- The AI-powered grammar checker explains corrections to help users improve their writing over time. · grammar-mentor.com, 11 Oct 2026
- Registered access
- Registration is free and includes five AI quiz explanations every 24 hours. · grammar-mentor.com, 11 Oct 2026
- Service availability
- The terms describe the service as available through a web application and browser extensions. · grammar-mentor.com, 11 Oct 2026
- Style
- Its algorithms analyze the user's voice and provide personalized storytelling tips. · grammar-mentor.com, 11 Oct 2026
- Style suggestions
- Yes · grammar-mentor.com, 22 Sept 2026
- Support
- The Pro plan includes priority support, and the contact page says the company typically responds within 24 hours. · grammar-mentor.com, 11 Oct 2026
- Tone detection
- Yes · grammar-mentor.com, 22 Sept 2026
- Trial
- The pricing FAQ says the service does not offer traditional Pro trials and invites users to try the free plan. · grammar-mentor.com, 11 Oct 2026
- Vocabulary
- It offers dynamic synonyms tailored to the user's tone. · grammar-mentor.com, 11 Oct 2026
Where AI Grammar Mentor stands on Freedom251
- Grammar checkers#51 of 88