Listening vs Sandcastles
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Listening compared with Sandcastles
| Detail | 
Listening | 
Sandcastles |
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| What it does | Transform research papers and journals into audio with AI text-to-speech technology
| Create viral short-form videos in seconds
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Freemium
| Paid
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| Pricing | Free trial for 3 days. Monthly plan: $12.99 USD per month billed monthly. Yearly plan: $4.92 USD per month ($59.00 billed yearly), saving 62% compared to monthly billing.
| 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 | - AI voice narration with 20+ realistic voices
- Automatically skip citations, references, and footnotes
- Listen at variable speeds from 0.75x to 3x
- One-click note-taking with automatic transcription
- Support for multiple file formats including PDFs, Word, EPUB, MOBI
- Selective section listening for research papers
- Zotero integration
- Browser extension for saving articles
- Cross-platform access on mobile, web, and desktop
- Photo scanning to convert physical pages to audio
| - 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 | - Naturally-sounding AI voices that do not sound robotic
- Specifically designed for academic papers with automatic citation and reference skipping
- Accurately pronounces technical and scientific terminology
- Integrated note-taking that captures key ideas without manual typing
- Affordable pricing built for student budgets
| - 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
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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) | 60 ● no change since last check | 48 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 23 | 8 |
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| Citation Flow (Majestic) | 40 | 32 |
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| Referring domains (Majestic) | 697 | 151 |
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6 details filled in for both companies.
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