StopScroll vs sync.

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

StopScroll compared with sync.
Detail	StopScroll	sync.
What it does	AI thumbnail maker and picker for creators who want better options before publishing	AI lip sync, dubbing and talking video for Claude Code, Codex, Cursor and other agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Starter: $9 for 40 credits (about $0.23 per image). Creator: $29 for 140 credits (about $0.21 per image). Credits never expire.	Free tier: 3 free video generations per month (up to 15 seconds each), 10 monthly audio generations. Paid plans on legacy usage billing: Hobbyist ($6 invoice threshold, $0.04-$0.05/sec lipsync-2), Creator ($20 threshold, $0.067-$0.083/sec lipsync-2-pro), Growth ($50 threshold), Scale ($250 threshold
Key features	Generate thumbnails from title or prompt Compare multiple thumbnail directions Preview and download generated thumbnails YouTube Thumbnail Resizer YouTube Shorts Thumbnail Download YouTube Thumbnail Download 4K Generation history saved to account Credits never expire	Lip-sync videos to new audio or typed scripts Make photos, portraits and characters talk Add dialogue to AI-generated video clips from Veo, Kling, Sora Dub videos into other languages with matching lips Edit or remove spoken words in original voice Localize campaigns across multiple markets Batch lip-sync CSV rows or folders resumably Build sync. into apps with REST API and SDKs Integration with Claude Code, Codex, Cursor and other agents Cost estimation and approval before paid work
What makes it different	Start from YouTube URL, title, or prompt instead of blank canvas Generate multiple thumbnail options to compare before publishing Analyze video metadata and transcript for context-aware suggestions Optimized for faceless creator channels Pay per thumbnail with no subscription required	Agent-first approach: works natively with Claude Code, Codex, Cursor and other AI agents Plain language commands: describe what you want and the agent picks the matching skill Always-approved billing: costs quoted before paid work with user approval required Complete end-to-end workflow: from lip-sync to dubbing to localization to API integration
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)	25 +1 (up) since last check	67 +1 (up) since last check
Trust Flow (Majestic)	18	12
Citation Flow (Majestic)	20	42
Referring domains (Majestic)	122	1145

5 details filled in for both companies.

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