Sketch Grid vs Color Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sketch Grid
This app helps artists accurately reproduce, scale, or adjust reference images using various grid types. It allows customization of grid size, color, and thickness, and can convert images to sketches for easier line identification. Users can export their adjusted compositions in original resolution.
- Grid method for image reproduction and scaling
- Adjust image proportions
- Square, proportional, and triangular grids
- Customizable grid size, color, and thickness
- Convert image to sketch view
- Full-screen composition view
- Export in original resolution
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Draw anything with a grid The Grid method is the easiest way for artists to reproduce, scale up or scale down a reference image you want to transfer to a canvas. With a grid you can also adjust a reference image to a different format with different proportions. Using a drawing grid anytime when you sketch or paint something that requires accuracy, for example still life or a portrait, will sharpen your art skills. Select any area of your image as your composition Switch between different types of grids: squares, proportional or triangular Choose your optimal grid size, colour and thickness Convert your image to a sketch to highlight where the lines are Hide the controls for a clean full-screen view of your composition with the grid on it Share or export your adjusted picture in the original resolution Get it now, unleash your creativity
Color Study
This tool helps artists analyze images by simplifying colors, values, and shapes. It provides guidance for mixing paints to match observed colors and offers advanced features for deeper artistic study. Organize your work and sync across devices.
- Image simplification for color and value
- Accurate color picker with magnification
- Paint mixing guidance with real-time feedback
- Value, saturation, and color code inspection
- Interactive value, shape, and temperature maps
- Project organization and iCloud sync
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Color Study is a tool for artists to simplify images, study color and value, and accurately match colors through paint mixing. Load any photo and reduce it to clear shapes and essential color information. Color Study generates a clear color map of your reference and provides guidance for mixing paints to match the colors you see, giving you a practical guide you can use at the easel or in study. Focus on the fundamentals that matter in drawing and painting. Made for artists Core tools: • Accurate color picker with magnification and pixel averaging options • Place and customize color markers directly on your reference • Inspect value, saturation, and color codes (RGB, HSV, HSL, CMYK, LAB) • Automatically extract key colors and accents in an image, and mark their locations • Compare colors to assess value, relative temperature, saturation, and perceptual difference • Customizable grid overlay for precise alignment Advanced tools: • Interactive value maps, shape simplification, temperature maps and notan controls • Paint-mixing guidance designed for opaque paints, with real-time feedback from photographed mixes • Export analysis views and color maps as images for reference or study • Advanced grid controls for precision alignment and subdivision • Generate simplified line drawings and contour maps to clarify structure, edges, and major shapes • Organize your work into projects with images, paint palettes, and artwork details • iCloud sync keeps your projects and palettes in sync across all your Apple devices Advanced tools available with subscription. Train your artistic eye Color Study is not a design tool or palette generator. It is a learning tool for painters, illustrators, and art students who want to analyze what they see and make better decisions in their artwork. Study master paintings, analyze your own photos, and deepen your understanding of value structure, color harmony, and visual design. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Color Study at Free against Sketch Grid's $2.99. Color Study also leads on review sentiment (87% vs 42%) and rating (4.9 vs 4.4). Sketch Grid's advantage is in-app purchases (none vs 6). On ads, chart position, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Color Study is free to download; Sketch Grid costs $2.99 up front. Color Study sells 5 in-app purchases, starting at $4.99 per month. Sketch Grid asks for nothing beyond the download.
Color Study holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Color Study has 568 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 42% of Sketch Grid's written reviews are positive against 87% of Color Study's.
Sketch Grid ships an update every 11 months, Color Study every 11 days. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.
| Parameter | Sketch Grid | Color Study |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (33 ratings) | 4.9 (568 ratings) — better |
| Positive reviews | 42.1% of reviews | 86.6% of reviews — better |
| Number of ratings | 33 | 568 — better |
| Update frequency | Every 11 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Best chart rank | #99 — better | #166 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 29 MB | 175 MB |
| Age rating | 4+ | 4+ |
| Developer | supple software ltd | BrushLabs LLC |
Customer experience
Sketch Grid
Color Study
In-app purchases
Sketch Grid
No in-app purchases
Color Study
- Color Study Pro monthly2 variants$4.991 Month
- Color Study Pro yearly7 Days trial$24.991 Year
- Color Study Pro Yearly7 Days trial$24.991 Year
- Color Study tip$1.99
- Color Study tip$29.99








