Sandcastles vs Ultrademo
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sandcastles compared with Ultrademo
| Detail | 
Sandcastles | 
Ultrademo |
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| What it does | Create viral short-form videos in seconds
| Studio-quality demo videos made from your real product by AI
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| Stage | Not given
| MVP
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| Founded | Not given
| Not given
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| Based in | US
| US
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| Pricing model | Paid
| Freemium
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| Pricing | Pro: $49/month (billed monthly) or $39/month (billed yearly). Visionary: $99/month (billed monthly) or $79/month (billed yearly). Titan: $499/month (billed monthly) or $399/month (billed yearly).
| The skill is free. The app is in early access with one free hosted video to start; pricing to be announced.
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| Key features | - Customizable feed of successful channels from Instagram, TikTok, and YouTube
- Find top-performing viral outlier videos in any niche
- In-depth analysis of why videos went viral with hooks and storytelling frameworks
- Instant transcript downloads from any video
- AI-powered script writing using proven storytelling frameworks
- Hook template generation with millions of validated views
- Project organization to collect and manage winning video ideas
- Monthly credits system for analyzing videos, writing scripts, and generating reports
- Multiple workspace creation to organize content by niche
- Personal analytics tracking and competitor monitoring
| - Creates videos from real product screens without stock footage
- Four video types: launch, explainer, spotlight and ad
- Multiple formats from one project: landscape, vertical and 15 or 30 second cuts
- AI writes story with hook, problem and resolution
- Checks every frame before showing the video
- Edit by commenting directly on the video
- Generates thumbnails in every platform size
- Only changed scenes are rebuilt when UI updates
- Works with Claude Code, Codex, Gemini CLI, Figma and ElevenLabs
- Free voices included with ElevenLabs integration
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| What makes it different | - Analyzes millions of videos daily to find top 1% outliers in every niche
- Data-backed storytelling frameworks based on billions of views
- All-in-one platform combining research, analysis, and script generation
- No social media account connection required to get value
| - Free and open source with no per-video cost
- Runs on your computer using your own Claude plan
- Every format generated from one project automatically
- Smart rebuilding when product changes
- Professional voice and music mixing included
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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
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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) | 48 ▲ +1 (up) since last check | 11 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 32 | 15 |
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| Referring domains (Majestic) | 151 | 6 |
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6 details filled in for both companies.
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