GrammarCheck.ai vs MerciApp
GrammarCheck.ai
grammarcheck.aiMerciApp
merci-app.comSide by side
| Figure | GrammarCheck.ai | MerciApp |
|---|---|---|
| Price from | $2.50/mo | €12/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 13 | 3 |
| Spec score · Grammar checkers | 9.2 (#10) | 9.2 (#8) |
| Browser extension | The Chromium extension accepts typed, pasted, uploaded or selected web text and provides grammar, spelling and readability checking. | Yes |
| Desktop app | Yes | Yes |
| Free plan | Yes | Yes |
| Headquarters | The Contact page lists an address at 71–75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom. | Courbevoie, France |
| Languages | The tool supports English (US, UK, AU, and CA), Spanish, German, French, Portuguese, Italian, and Dutch. | MerciApp Correct supports French, Spanish, Italian, German, and Portuguese. |
| Mobile app | Yes | No |
| Style suggestions | Yes | Yes |
| Support | The site offers contact-form support, live chat and 24/7 priority support on paid plans. | Assist includes premium onboarding and support, while Enterprise offers dedicated account management and personalized rollout. |
Plans
GrammarCheck.ai
- Free PlanFree
- Lite$4 a month
- Pro$7 a month
- Free PlanFree
- Lite Premium$2.50 a month
- Lite Monthly$4 a month
- Pro Premium$4 a month
- API Tester$7 a month
- Pro Monthly$7 a month
- API Basic$10 a month
In their own words
GrammarCheck.ai
GrammarCheck.ai checks grammar, spelling, and punctuation, highlighting mistakes and suggesting replacements; a one-click “Fix All Errors” action is also listed. It supports English variants for the US, UK, Australia, and Canada, as well as Spanish, German, French, Portuguese, Italian, and Dutch. Other listed tools include punctuation checking, paraphrasing, plagiarism checking, AI detection, AI humanizing, and summarizing. The service is available on web, iOS, Android, and Linux, with browser extension, desktop app, and mobile app options. Its free plan allows up to 650 words per submission, while Lite allows 2,000 and Pro 6,000. The plans list $4 a month for Lite and $7 a month for Pro; the pricing note separately says paid plans start at $2.50/mo (annual). The service does not offer a free trial, though tools can be used for free. Guest users can make three submissions per minute. The site identifies students, book authors, bloggers, and non-native English speakers as potential users.
MerciApp
MerciApp is an AI writing assistant for spelling, grammar, context, and style corrections, with tools for rewriting text. Smart Autocorrect addresses errors in spelling, structure, and grammar as users type. Transform offers ready-made and customizable assistants for rewriting, structuring, and translation, while Dynamic Snippets insert reusable or personalized text using keyboard shortcuts. The browser extension works with Chrome, Firefox, and Edge and integrates with tools including Gmail, Slack, Facebook, WordPress, Salesforce, and HubSpot. Word and Outlook extensions are also available. MerciApp Correct supports French, Spanish, Italian, German, and Portuguese. The maker says texts are not used to train its AI and says data is hosted in France, kept private, and not shared with third parties. The free plan analyzes 600 words per day and allows three Transform rewrites per day. Assist costs €12 a month, with an annual option shown at 144€/year per seat; Enterprise requires at least 20 seats, with no price listed.