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Undertone vs ProUX

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 ProUX
DetailUndertone logo UndertoneProUX logo ProUX
What it doesSee why colors work AI UX intelligence system for product designers and founders
StageNot given Startup
FoundedNot given 2025
Based inNot given IN
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: $0/month with 100,000 tokens (about 15 questions or 3 screen reviews). Pro Quarterly: $57 billed quarterly (about $19/month) with 1.9 million tokens (about 215 questions or 70 screen reviews). Pro Yearly: $131 billed yearly (about $10.92/month) with 1.9 million tokens.
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
  • Ask UX questions and get answers citing verified guidelines
  • Audit screens measuring contrast, tap targets and text sizes from pixels
  • Library of 50 free UX laws and guidelines
  • Multiple AI model comparison for design analysis
  • UX prompt optimization
  • Unified consensus on design decisions
  • Projects that remember product context
  • Every finding cites its source guideline
  • Access to Claude Opus 5, Gemini Pro and Deep Research on Pro plans
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
  • Every finding cites a verified guideline, not an opinion or guess
  • Measures what it claims using pixel-level data, not guesses
  • Built by certified UX professional with 19 years of practice
  • Answers backed by universal UX/UI/CRO principles and human psychology research
  • Instant feedback at every stage instead of waiting days for design reviews
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check4 +1 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)3218
Referring domains (Majestic)317

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