Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. SyncWords records 21,869 monthly visits with +6.8% growth and Paid pricing.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
One live feed in, captions, subtitles and AI dubs out for every audience
| Dimension / Metric | | |
|---|---|---|
| Official Domain | grammarly.com | syncwords.com |
| Pricing Model | Freemium | Paid |
| Monthly Visits | 58.87M (58,867,412) | 21.87K (21,869) |
| MoM Traffic Delta | -916.08K (-1.5%) | +1.39K (+6.8%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇧🇷 Brazil (69.7%) |
| Direct Visits / mo | 25.4M | 10.34K |
| User Rating | 4.4 | 4.4 |
| Supported Platforms | Website | Website |
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.
Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.
Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.
Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.
One live feed in, captions, subtitles and AI dubs out for every audience
Send your existing SRT/MPEG-TS, CMAF or RTMP stream and get captions back in under two seconds without re-encoding video or adding caption hardware.
Human-verified accuracy keeps live captions fast and correct, with custom dictionaries for presenter names, players, places and specialist terms.
Deliver same-language captions, translated subtitles and AI dubbing from one feed, so a single broadcast reaches every market in its own language.
Vocalics AI voice dubbing recreates the speaker's tone and pacing in another language, suitable for live news, sports, events and live shopping.
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
Free / Open-sourceAI transcription and meeting notes in 150+ languages
Free / Open-sourceAI transcription and meeting notes in 150+ languages
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
Free / Open-sourceLive AI interpretation, transcription, subtitles and dubbing in 125+ languages
Free / Open-sourceLive AI interpretation, transcription, subtitles and dubbing in 125+ languages
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
Free / Open-sourceAI transcription, subtitles and video translation in one browser studio
Free / Open-sourceAI transcription, subtitles and video translation in one browser studio
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
Free / Open-sourceAI captions, transcription, and video translation in 95+ languages
Free / Open-sourceAI captions, transcription, and video translation in 95+ languages
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
