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ORFO

Freemium#76 of 88 in Grammar CheckersAI Grammar Checkers

ORFO: A focused Russian proofreading tool with Office integration and paid-only access. Ranked #76 of 88 in Grammar Checkers by our editors (3.0/10); pricing: Free plan; best for russian-focused Office proofreading.

3.0/10Editor score

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ORFO3.0 Visit ORFO

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Russian-focused Office proofreading
Free plan
Yes
Tone detection
No
Facts checked
20 Sep 2026

Where it wins
- Russian grammar, punctuation, and style checking
- Microsoft Office integration with word-form search and replacement
- Spelling dictionaries covering eight languages across plans
Where it doesn't
- No free plan; pricing starts at 1980
- Platform coverage centers on web, Windows, and macOS
- No AI-powered features

Our verdict on ORFO

ORFO is a proofreading system for spelling, grammar, punctuation, and style, designed mainly for Russian-language document work. It offers its own editor, ORFO Online, downloadable Windows and macOS software, and Microsoft Office integration. The Professional package adds Russian, English, and Ukrainian spelling checks to Russian grammar and style checking, while the wider package range suits users who need publishing tools or additional European-language dictionaries.

Pricing is organized around perpetual licenses with software and dictionary updates included for one year. The paid-only range starts at 1980 with Professional, which includes Russian, English, and Ukrainian spelling, Russian grammar and style checking, Microsoft Office integration, and unlimited ORFO Online access during the update-subscription period. Professional Plus adds Adobe InCopy and InDesign support, additional dictionaries, and word-form search and replacement in Microsoft Word. Maximum adds spelling checks for German, French, Spanish, Italian, and Portuguese. Separate macOS packages provide comparable functionality, including a Plus edition with Adobe support and additional dictionaries.

Its main advantage is the depth of its Russian-language toolkit: user dictionaries can accept all word forms, while synonym, antonym, related-word lookup, grammar references, and dictionary collections support editing beyond basic spell checks. Office and Adobe integrations make it relevant to document and publishing workflows, but its focus is narrower than that of a broad multilingual writing assistant. ORFO is a sensible choice for Russian-heavy Office work, especially when desktop proofreading and linguistic reference tools matter. Users seeking a free tier, AI features, or a wider platform strategy should consider alternatives.

Your product? Our editors can test ORFO in depth and publish a review, labelled as paid · from $149/mo →

ORFO pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on orfo.ru

All 9 ORFO plans and prices →

ORFO fact sheet

Free plan	Yes
Paid from	Not verified
Browser extension	Not verified
Desktop app	Yes
Mobile app	Not verified
Style suggestions	Yes
Tone detection	No
Languages supported	1
Deployment	Cloud, Desktop
Platforms	Web, Windows, macOS
Support	Email
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations	9 integrations: Microsoft Office, Adobe InDesign, Adobe InCopy, LibreOffice, Apache OpenOffice, The Bat! …
Pricing	Free plan (source)
Website	orfo.ru
Facts checked	20 Sep 2026

ORFO integrations

ORFO lists 9 integrations on its own site.

Microsoft Office
Adobe InDesign
Adobe InCopy
LibreOffice
Apache OpenOffice
The Bat!
Google Chrome system spell checking
Safari
Opera

Alternatives to ORFO

See all ORFO alternatives →

Also Ranked In

ORFO is ranked in 2 of our directories.

#26AI Grammar Checkers26 tools ranked

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used ORFO for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

ORFO is listed in our Grammar Checkers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update