Vidleaf vs Sumi

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

Vidleaf compared with Sumi
Detail	Vidleaf	Sumi
What it does	Read, search and cite video transcripts	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: read existing captions on YouTube and Bilibili (5 reads/day for guests, unlimited for signed-in users), search, export. Free account: 30 min/week transcription, 10/week AI tasks. Single Pass: US$1.99 (1 transcription up to 180 minutes, 2 AI uses). Light Pack S: US$2.49 first purchase (was US$4	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	Read captions without sign-in Search transcripts and jump to timestamps Bilingual view for Chinese and English Automatic speaker detection and labeling AI summaries with chapter highlights Transcribe videos without captions Export quotes as TXT, SRT, or Markdown AI translation between Chinese and English Save reading history and personal labels Upload local audio or video files	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	Free subtitle reading without account for YouTube and Bilibili One-click jump from transcript to video moment No downloads or browser extensions needed Metered allowances let you control costs Bilingual transcripts with line-by-line comparison	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)	1 no change since last check	18 +1 (up) since last check
Trust Flow (Majestic)	8	7
Citation Flow (Majestic)	24	24
Referring domains (Majestic)	20	70

5 details filled in for both companies.

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