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Undertone vs Rindraw

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 Rindraw
DetailUndertone logo UndertoneRindraw logo Rindraw
What it doesSee why colors work A drawing and painting app for iPad, iPhone and Mac where every stroke stays editable
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
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. $12.99 once, no subscription. One purchase covers iPad, iPhone and Mac.
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
  • Strokes stay editable: recolor, bend, scale and warp without losing sharpness
  • Over 300 brushes from 36 sets with pressure, tilt and barrel roll support
  • Import and use Procreate and Photoshop brushes
  • Layers with groups, masks, blend modes and adjustment layers
  • Pages and frames on one canvas for comics and storyboards
  • Animation with frames, onion skins and playback
  • Paint on 3D models in OBJ and USDZ format
  • Export to PNG, JPEG, HEIC, JPEG XL, TIFF and PSD with CMYK for print
  • Symmetry and mirroring tools
  • Undo history that survives closing the app
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
  • Strokes remain fully editable after drawing, unlike other apps that flatten to pixels
  • One-time purchase with no subscription covers iPad, iPhone and Mac
  • Seamless import of files, brushes and palettes from Procreate and Photoshop
  • Works offline with no account, advertising or tracking
  • Redraws strokes at any export size to maintain sharpness
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last check2 +1 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)3212
Referring domains (Majestic)312

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