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Listnr vs Sandcastles

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Listnr compared with Sandcastles
DetailListnr logo ListnrSandcastles logo Sandcastles
What it doesAI voice generator for natural text to speech, voice cloning, and expressive audio Create viral short-form videos in seconds
StageEstablished Not given
Founded2020 Not given
Based inUS US
Pricing modelFreemium Paid
PricingFree plan includes 1,000 credits to start. Individual plan $19/month (billed $190 annually, 20,000 credits/month). Solo plan $39/month (billed $390 annually, 50,000 credits/month). Agency plan $99/month (billed $990 annually, 250,000 credits/month). Yearly plans include 2 months free. 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).
Key features
  • 1000+ AI voices across 142+ languages and accents
  • Text-to-speech with natural speech synthesis
  • Browser-based studio with no installation required
  • Commercial rights on all paid plans
  • 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
What makes it different
  • Ultra-realistic AI voices powered by state-of-the-art neural TTS technology
  • Full commercial rights included on paid plans with no royalties
  • Generate voiceovers in seconds instead of hours
  • Trusted by 3.5 million users across 150+ countries
  • Works with all major video editing software
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)63 +1 (up) since last check48 +1 (up) since last check
Trust Flow (Majestic)108
Citation Flow (Majestic)4432
Referring domains (Majestic)1772151

6 details filled in for both companies.

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