Weights AI vs RapZap
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Weights AI compared with RapZap
| Detail | 
Weights AI | 
RapZap |
|---|
| What it does | Free AI song cover generator with 2,000+ community voices or your own
| AI rap video generator that turns photos into performance clips
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| Not given
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| Pricing model | Freemium
| Paid
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| Pricing | Free: 25 credits when you sign up. Starter: $4.99/month for 700 credits (or $59.88/year). Pro: $9.99/month for 2,000 credits (or $119.88/year). Credit pack: 1,500 credits for $19.99 (one-time purchase, never expire).
| $8.99 per video (one-time payment, no subscription)
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| Key features | - 2,000+ community voice models
- Train your own voice model from 10+ minutes of singing
- Supports MP3, WAV, M4A, AAC, FLAC and OGG files up to 50 MB
- Record singing in the browser
- Pitch matching to adjust key for different voice ranges
- AI covers ready in about one minute
- Download covers as MP3
- Private voice models
| - Five fixed templates: Hotel Lobby, Bulin 47, Zombie Couple, Rumpelstiltskin, Tiny Desk
- Lip-sync animation matched to trend audio
- Upload one to five photos per video
- 720p MP4 download
- 7-day download window for finished videos
- Automatic credit return on failed renders
- Photos deleted within 24 hours
- Private video links per browser session
- Video aspect ratios match platform feeds
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| What makes it different | - Successor to Weights.gg with same community RVC voices
- Runs entirely in your browser, no installation needed
- Free credits to start without payment
- AI separates vocal from music for natural remixing
| - Fixed templates with no prompt required, unlike general video models
- One flat price of $8.99 per video with credits returned on failure
- Lip-sync timed to trend sounds for better mouth matching than generic models
- No subscription, no account, no card data stored by RapZap
- Videos framed for specific platforms and ready to post
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 5 |
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| Citation Flow (Majestic) | 21 | 23 |
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| Referring domains (Majestic) | 8 | 18 |
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5 details filled in for both companies.
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