ZeGrapher vs Photostar
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 Photostar
| Detail | 
ZeGrapher | 
Photostar |
|---|
| What it does | A free and open source math plotter, easy to pick up
| Free online Photoshop alternative for photos and PSD files
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| Stage | Established
| Not given
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| Founded | 2011
| Not given
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| Based in | Not given
| GB
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| Pricing model | Open source
| Free
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| Pricing | Not given
| Not given
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| 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
| - PSD import and export with editable text and shapes
- Layers, masks and adjustment layers
- On-device background removal and subject selection
- Healing, cloning and object removal
- Smart objects and smart filters
- Offline editing after resources are cached
- Support for RAW camera files
- 8-bit and 16-bit editing
- Multiple export formats including PNG, JPEG, WebP, TIFF and PDF
- Editable design templates
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| 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
| - Completely free with no account required or watermarks on exports
- All editing happens locally on your device without uploading photos
- Works offline after resources are cached
- Opens and saves layered PSD files with editable text and shapes
- Open-source components with credited licenses
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +1 (up) since last check | 19 ▲ +19 (up) since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 11 | 0 |
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| Referring domains (Majestic) | 53 | 0 |
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4 details filled in for both companies.
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