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ZeGrapher vs Rindraw

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

ZeGrapher compared with Rindraw
DetailZeGrapher logo ZeGrapherRindraw logo Rindraw
What it doesA free and open source math plotter, easy to pick up A drawing and painting app for iPad, iPhone and Mac where every stroke stays editable
StageEstablished Not given
Founded2011 Not given
Based inNot given Not given
Pricing modelOpen source Paid
PricingNot given $12.99 once, no subscription. One purchase covers iPad, iPhone and Mac.
Key features
  • Natural function notation like f(x) = 2 + cos(x)
  • Sequences from recurrence relations
  • Parametric equations with custom intervals
  • CSV data import and spreadsheet editing
  • Animated constants and variable families
  • Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
  • Grid customization with π multiples for ticks
  • Interactive navigation with drag and zoom
  • Multi-language support in 9 languages
  • Built-in manual and automatic work saving
  • 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
  • Draws mathematical objects exactly as written on paper with natural notation
  • Handle CSV files of several million cells
  • Objects can build on each other in expressions
  • Exports with exact size in real centimeters
  • Fully free and open source under GNU AGPL license
  • 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)40 +1 (up) since last check12 +10 (up) since last check
Trust Flow (Majestic)110
Citation Flow (Majestic)1112
Referring domains (Majestic)532

4 details filled in for both companies.

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