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Stamp Maker vs Undertone

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

Stamp Maker compared with Undertone
DetailStamp Maker logo Stamp MakerUndertone logo Undertone
What it doesCreate, repair, extract, and apply digital stamps in minutes See why colors work
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree core features; paid plans available with annual discount of 50% on select plans Free: 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.
Key features
  • Digital stamp generation from templates or blank canvas
  • Repair and cleanup of blurry legacy stamp images
  • Extract transparent stamps from scans and screenshots
  • Layer editing with text and style controls
  • Apply stamps to PDF contracts and documents
  • Export in multiple formats including PNG and SVG
  • Save and reuse stamp templates
  • Color, opacity, and aged effects adjustments
  • No registration required for basic features
  • AI-assisted repair and extraction tools
  • 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
What makes it different
  • All-in-one workflow combining creation, repair, extraction, and application in one browser tool
  • No Photoshop or design skills needed—browser-based with instant preview
  • Built to handle real-world delivery scenarios across PDFs, contracts, invoices, and e-commerce
  • Repair workflow for legacy stamps instead of forcing a complete rebuild
  • Transparent-background exports ready for immediate reuse
  • 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
Community votes00
DR (Domain Rating by Ahrefs)10 no change since last check8 +1 (up) since last check
Trust Flow (Majestic)24
Citation Flow (Majestic)2132
Referring domains (Majestic)2031

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