ScanChess vs Sumi

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ScanChess compared with Sumi
Detail	ScanChess	Sumi
What it does	Chess OCR for board images and handwritten scoresheets	AI manga translator that re-letters your language into the art
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 10 credits on sign-up, 23 free tools, one AI explanation per day, daily practice. Pro: $4.99/month or $29.99/year, 100 credits every 30 days. Pro+: $19.99/month or $119.99/year, 500 credits every 30 days.	Free tier: 1 page without account, 5 pages on signup, 5 claimable daily. Pro: $6.99/month (1,500 pages/month). Pro+: $14.99/month (4,000 pages/month). Studio: $39.99/month (12,000 pages/month). Yearly billing available: Pro $69.99/year, Pro+ $149.99/year, Studio $399.99/year.
Key features	Chess rule validation for every move Stockfish analysis with accuracy metrics AI coach game explanations Daily practice from missed tactics Games library with photo storage Club management with player rosters	Instant page-by-page translation without uploading Works on pages requiring login Text erasing and re-lettering in artwork Native vertical CJK typesetting Offline translation on iPhone and iPad Batch translation up to 20 pages Works on 30 official publisher platforms Chrome, Firefox, Edge and Safari extensions Editable translations in reader
What makes it different	Rule-checked moves flagged for verification Published accuracy test with all results shown Editable positions with confidence scores AI coach explains turning points in games	Erases original text and re-letters into artwork instead of pasting white boxes Translates in-place on pages you're already reading without uploading chapters Fully offline translation on iPhone and iPad with no data leaving device One subscription across web, extensions, and all native apps
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 −2 (down) since last check	18 +1 (up) since last check
Trust Flow (Majestic)	13	7
Citation Flow (Majestic)	26	24
Referring domains (Majestic)	43	70

5 details filled in for both companies.

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