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Undertone vs Shadow Snap

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

Undertone compared with Shadow Snap
DetailUndertone logo UndertoneShadow Snap logo Shadow Snap
What it doesSee why colors work Free cinematic subtitle image maker
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: Original view, Temperature map, Value structure, Saturation map, Palette and Harmony for every image, 20 analyses at a time. Lifetime Premium: one-time purchase includes Composition guides, Contrast map, tinted value bands, unlimited history, full-res export. No subscription. Not given
Key features
  • Palette with proportions showing dominant colors sized by image weight
  • Color harmony identification (Complementary, Analogous, Triadic, Split-complementary, Tetradic, Square, Monochromatic)
  • Temperature map showing warm and cool distribution across image
  • Value structure divided into clear zones (light, mid-tone, dark)
  • Saturation map showing vivid and muted areas
  • Composition guides identifying classic guides like golden ratio and rule of thirds
  • Contrast map showing where the eye lands first (Premium)
  • Painter-friendly color names (Yellow Ochre, Payne's Gray, etc.)
  • Local device processing with no image uploads
  • Works offline with no account required
  • Keep the first frame intact and stitch the following subtitle slices automatically
  • Process and export images locally with HTML5 Canvas without uploading photos
  • Support for Chinese, Latin, Thai, Vietnamese and Arabic fonts
  • Adjust font size, text color, outline color and slice height
  • Film color presets including Nolan White, Wong Kar-wai Gold, Tokyo Cyan and Minimal Mono
  • Customizable watermark with position, opacity and font size options
  • Support for JPG, PNG and WebP image formats
  • Interface available in Chinese and English
  • Safe margin adjustment for subtitle positioning
  • 2.39:1 Cinemascope canvas ready
What makes it different
  • Shows color proportions, not just colors, recognizing that a 60/5 split is fundamentally different from 50/50
  • Four layers of analysis together show relationships single layers cannot reveal
  • Built by people who actually mix paint with painter-friendly vocabulary
  • Lifetime Premium with single payment, no subscription model
  • All data stays on device, no account signup required
  • No account or installation required
  • All image processing runs locally in your browser
  • Automatically stitches subtitle slices while keeping the first frame intact
  • Multiple film-inspired color presets for professional styling
  • Full customization of fonts, colors, outlines and watermarks
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check12 +3 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)3210
Referring domains (Majestic)311

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