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Undertone vs Snapperon

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 Snapperon
DetailUndertone logo UndertoneSnapperon logo Snapperon
What it doesSee why colors work Screenshot annotation tool for Mac with arrows, redaction, and polished designs
StageNot given Not given
FoundedNot given Not given
Based inNot given GE
Pricing modelFreemium Freemium
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. Free version with all core annotation tools and up to 10 screenshots per day. Pro available as Monthly at $2/month, Annual at $19.99/year, or Lifetime at $38.99 one-time payment.
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
  • Arrows for directing attention and annotation
  • Numbered counters for step-by-step tutorials
  • Highlight tool for emphasis
  • Permanent redaction for sensitive information
  • Shapes for framing and illustration
  • Backgrounds and borders for polish
  • PDF page annotation
  • Spotlight and crop tools
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 sign-up required to start using
  • All screenshots stay locally on your Mac with no uploads
  • Permanent redaction that cannot be removed from exported images
  • 100% ad-free experience
  • Apple notarized and signed for security
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check5 +3 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)3212
Referring domains (Majestic)311

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