Viralkey vs sync.
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Viralkey compared with sync.
| Detail | 
Viralkey | 
sync. |
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| What it does | Create virtual influencers and AI-generated videos for social media
| AI lip sync, dubbing and talking video for Claude Code, Codex, Cursor and other agents
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| 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
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| Key features | - Template-based AI music video generation
- Music analysis with BPM and beat point detection
- Beat-synced editing
- Dynamic lyric subtitles
- Character consistency across scenes
- Multiple template families including story and performance
- Commercial use of generated content
- Multi-platform publishing
- Character reuse across templates
- No editing skills required
| - 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
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| What makes it different | - Create one photo into a week of posts
- Keep the same face across different looks without photoshoots
- Pre-built viral presets for scroll-stopping content
- Generate content from any device, anywhere
- Turn products and outfits into engaging content
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ● no change since last check | 67 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 26 | 12 |
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| Citation Flow (Majestic) | 25 | 42 |
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| Referring domains (Majestic) | 71 | 1145 |
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4 details filled in for both companies.
More alternatives to Viralkey More alternatives to sync.