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renza vs Sandcastles

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

renza compared with Sandcastles
Detailrenza logo renzaSandcastles logo Sandcastles
What it doesNot given Create viral short-form videos in seconds
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Paid
PricingFree: 3 credits at signup. Pay-as-you-go: Starter $4.99 (50 credits), Standard $14.99 (200 credits), Pro $39.99 (600 credits). Subscriptions: Basic $9.99/month (200 credits), Popular $29.99/month (1000 credits), Pro $99.99/month (5000 credits). 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
  • Generate images from text prompts using multiple AI models (Flux Dev, Hyper Realistic, Ideogram, Nano Banana 2)
  • Edit existing photos with AI-powered tools
  • Generate videos from prompts or start frames
  • Upscale images 2x or 4x with Topaz while preserving faces
  • 24 built-in artistic styles (minimalist, cyberpunk, anime, oil painting, etc.)
  • Photo transformation tools (anime, cartoon, Ghibli, Pixar, painting, etc.)
  • Free browser-based utilities (background remover, resizer, converter, compressor, cropper)
  • Object removal from photos
  • Commercial usage rights included with all generations
  • 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
  • No watermark on any generated content
  • Results generated in seconds, not minutes
  • Credits never expire; buy once and use over weeks, months or years
  • Both free pay-as-you-go and subscription options available
  • 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)26 −2 (down) since last check48 +1 (up) since last check
Trust Flow (Majestic)48
Citation Flow (Majestic)1632
Referring domains (Majestic)23151

4 details filled in for both companies.

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