ORFO vs Trinka

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.

Trinka is an AI grammar correction and language enhancement assistant for academic and technical writing. It checks grammar, suggests paraphrases, reviews consistency and can proofread uploaded MS Word documents for download. Other tools include AI-assisted writing, citation features, plagiarism checks and a journal finder. Trinka Cloud checks English and Spanish grammar and detects the language automatically. Its browser plugin supports writing in Google Docs, Authorea, Evernote and Medium; listed platform options also include web, API, desktop and self-hosted access. Institution plans list LMS and SSO integrations such as Canvas, Moodle, Blackboard and D2L. The free Basic plan does not expire, but monthly usage limits apply. Premium costs $20 a month, billed monthly, and includes up to 120 proofread files per year and 25 AI writing requests per month. Confidential Data costs $300 a year with annual billing. Trinka says user data is encrypted in transit and at rest. Its Trust Center says paid-plan data is not used to train AI models and Confidential Data Plan data is deleted after processing.