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No. 69 of 88 ·Grammar checkers

ORFO

Web · Windows · Mac

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Freedom report

Two barsScore 5.4

  • Free tierNo free tier on record
  • Open codeNo open-source code on record
  • Runs widely3 of 6 device platforms
  • DocumentedPlans, terms and facts published

ORFO is ranked #69 of 88 in grammar checkers on Freedom251, made by ORFO (Moscow, Russia). It runs on Web, Windows, macOS.

ORFO plans and pricing

All plans
Professional for Windows Not published Spelling for Russian, English and Ukrainian · Russian grammar, punctuation and style checking · Microsoft Office integration · Online version access during the update-subscription period orfo.ru · 20 Sept 2026
Professional Plus for Windows Not published Professional package features · Adobe InCopy/InDesign support · Additional dictionaries · Search and replacement across word forms orfo.ru · 20 Sept 2026
Maximum for Windows Not published Professional Plus features · Spelling for German, French, Spanish, Italian and Portuguese · Eight-language spelling coverage orfo.ru · 20 Sept 2026
ORFO 2016 for macOS Not published x86 processors orfo.ru · 20 Sept 2026
ORFO 2016 Plus for macOS Not published x86 processors orfo.ru · 20 Sept 2026
Maximum for macOS Not published x86 processors orfo.ru · 20 Sept 2026

Compared on grammar checkers

Free plan
Yes
Desktop app
Yes

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