Comparison

Sketch Grid vs Color Study

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

Sketch Grid4 screens
Color Study4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 4 level
Sketch Grid versus Color Study: the parameters behind the verdict, then further details
ParameterSketch GridColor Study
Price$2.99Free — better
Rating4.4 (33 ratings)4.9 (568 ratings) — better
Positive reviews42.1% of reviews86.6% of reviews — better
Number of ratings33568 — better
Update frequencyEvery 11 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
Best chart rank#99 — better#166
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better16.6
Further details — not scored
Size29 MB175 MB
Age rating4+4+
Developersupple software ltdBrushLabs LLC

Customer experience

Sketch Grid

All ratings32 ratings
Positive87.5%
Neutral3.1%
Negative9.4%
Written reviews19 reviews
Positive42.1%
Neutral10.5%
Negative47.4%

Color Study

All ratings541 ratings
Positive97.4%
Neutral1.1%
Negative1.5%
Written reviews67 reviews
Positive86.6%
Neutral7.5%
Negative6.0%

In-app purchases

None

Sketch Grid

No in-app purchases

5 purchases

Color Study

Subscriptions3
  • 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
One-time2
  • Color Study tip$1.99
  • Color Study tip$29.99

Questions

Is Sketch Grid free?
Sketch Grid costs $2.99, with no in-app purchases.
Is Color Study free?
Color Study is free to download, with in-app purchases available.
Which has better reviews, Sketch Grid or Color Study?
Color Study is rated higher. Sketch Grid averages 4.4 out of 5 from 33 ratings, while Color Study averages 4.9 from 568 ratings.
Do Sketch Grid or Color Study have ads?
Neither Sketch Grid nor Color Study shows ads.
Which is updated more often, Sketch Grid or Color Study?
Sketch Grid ships an update every 11 months, and Color Study every 11 days. Most recently, Sketch Grid was updated on November 10, 2026 and Color Study on November 9, 2026.
Which is more popular, Sketch Grid or Color Study?
Sketch Grid currently peaks at #99 in the App Store charts, and Color Study at #166. Chart position reflects recent download velocity rather than total install base.

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