GrammarCheck.ai vs ORFO
GrammarCheck.ai
grammarcheck.ai
ORFO
orfo.ruSide by side
| Figure | GrammarCheck.ai | ORFO |
|---|---|---|
| Price from | $2.50/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 13 | 15 |
| Spec score · AI Grammar Checkers | 9.4 (#1) | 8.4 (#16) |
| Spec score · Grammar checkers | 9.2 (#10) | 8.1 (#45) |
| 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. | Moscow, Russia |
| Intended users | The site describes students, book authors, bloggers, and non-native English speakers as potential users. | The maker describes the package as a solution for working with text documents and offers separate licensing for organizations. |
| Languages | The tool supports English (US, UK, AU, and CA), Spanish, German, French, Portuguese, Italian, and Dutch. | The Максимальный Windows package checks spelling in Russian, English, Ukrainian, German, French, Spanish, Italian, and Portuguese. |
| Style suggestions | Yes | Yes |
| Support | The site offers contact-form support, live chat and 24/7 priority support on paid plans. | The system administrator manual lists support by email at [email protected] and by phone at +7 (495) 258-28-10. |
| Trial | The pricing FAQ states that the service does not offer a free trial, but tools can be used for free before upgrading. | The downloads page lists trial versions for the Windows and macOS packages. |
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
ORFO
- Professional for WindowsPrice not published
- Professional Plus for WindowsPrice not published
- Maximum for WindowsPrice not published
- ORFO 2016 for macOSPrice not published
- ORFO 2016 Plus for macOSPrice not published
- Maximum for macOSPrice not published
- Professional update extensionPrice not published
- Professional Plus update extensionPrice not published
- Maximum update extensionPrice not published
- Профессиональный — продление обновлений690,520 RUB a year
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.
ORFO
ORFO is a text-checking system for spelling, grammar, punctuation and style, with Windows, macOS and web offerings. Its Windows packages check spelling in Russian, English and Ukrainian, while Maximum adds German, French, Spanish, Italian and Portuguese. The Russian grammar and style module uses more than 30,000 rules and algorithms for agreement and punctuation, and the Russian dictionary contains more than 300,000 lexemes. Windows packages include ORFO Editor, ORFO Agent, a thesaurus and a Russian grammar reference. Listed compatibility includes Microsoft Office 2007–2019 and 365, LibreOffice 3.3–5.x 32-bit, Apache OpenOffice 3.3–4.x and other applications. Professional Plus adds Adobe InCopy and InDesign support, additional dictionaries and search and replacement across word forms. A license has no time limit, with program and dictionary updates included for one year after purchase. Customers with an active one-year subscription can use ORFO Online without limits after activating a product key. Trial downloads are listed for Windows and macOS. The macOS package supports x86 processors; M1, M2 and other ARM-compatible processors are not supported.