Slenvox vs Sandcastles
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Slenvox compared with Sandcastles
| Detail | 
Slenvox | 
Sandcastles |
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| What it does | Turn documents, links and ideas into finished videos with narration, motion graphics and subtitles
| Create viral short-form videos in seconds
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| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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| Based in | IN
| US
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| Pricing model | Freemium
| Paid
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| Pricing | Free: one 5-minute video, 720p with watermark. Lite: $10/mo (5 min/month). Plus: $58/mo (30 min/month). Pro: $103/mo (60 min/month). Max: $253/mo (150 min/month). Team: $519/mo (320 min/month, up to 5 users). Business: Custom 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).
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| Key features | - Text to video creation from topics and scripts
- PDF and PowerPoint conversion to video
- Automated motion graphics synchronized to narration
- Stock footage matching script lines
- 142 AI voices in 22 languages
- Voice cloning for personal narration
- Brand kit customization with logo, colors and fonts
- Scene-by-scene editing before finalization
- Export to professional editing tools
- Automatic subtitle generation in multiple languages
| - 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
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| What makes it different | - Context-aware motion graphics built from the script, not just overlaid text
- Converts documents and web pages into complete videos without manual script writing
- No watermarks on paid plans, 1080p resolution with full customization control
- Support for 22 languages with 142 natural AI voices or voice cloning
- Team collaboration with shared workspaces and asset libraries
| - 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
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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 | 48 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 4 | 8 |
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| Citation Flow (Majestic) | 15 | 32 |
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| Referring domains (Majestic) | 4 | 151 |
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6 details filled in for both companies.
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