Color vs GreyStep
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Color
Generate infinite color palettes and gradients from images or by exploring curated categories. Discover traditional color schemes from various cultures and brands. Ideal for designers and anyone seeking color inspiration.
- Extract colors from images
- Generate custom color palettes
- Create infinite gradients
- Explore 30+ color categories
- Discover traditional color schemes (China, Japan)
- Access HTML and Copic color lists
- View LEGO and oil paint color collections
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Create color palettes from photos or a starting color, then shape them for your next app, website, brand or illustration. Color combines palette generation, a rich inspiration library and practical tools for using every shade. CREATE A PALETTE WITH PURPOSE ⢠Start with a base color and generate complementary, analogous, triadic or monochromatic harmonies. ⢠Choose an App UI, Website, Brand or Illustration scenario to get a palette with useful color roles. ⢠Edit individual colors, lock favorites and drag to reorder the palette. ⢠Try a fresh combination when you need a new direction. TURN PHOTOS INTO COLOR SCHEMES ⢠Import a photo and extract colors to start a five-color palette. ⢠Refine the result, give it a name and save it alongside your other palettes. ⢠Keep inspiration from landscapes, objects and artwork ready for your next design. EXPLORE MORE THAN 1,200 PALETTES ⢠Browse 52 categories, from nature and pastels to branding and interiors. ⢠Search palettes by name, color name or HEX value. ⢠Compare color-block, overlapping-circle and stacked-swatch layouts. ⢠Discover 290 two-color pairings and save a combination as a palette. LOOK UP REFERENCE COLORS Explore seven collections: iOS system colors, traditional Chinese and Japanese colors, HTML colors, Copic marker colors, Winsor & Newton oil colors and LEGO colors. Find names and values, save individual colors and return to them when you need a reference. MAKE COLORS EASIER TO USE ⢠Assign Primary, Secondary, Accent, Background and Text roles. ⢠Explore ten light-to-dark tones, numbered 50ā900, and copy their HEX values. ⢠Check text/background contrast ratios with WCAG-based AA and AAA guidance. ⢠View and copy HEX, RGB, HSV, HSL, LAB and CMYK values. MOVE FROM COLOR TO CODE Copy a HEX list, CSS variables, SwiftUI colors or Tailwind color tokens from the creation screen. Generated code includes color roles and tonal scales. Individual color details also provide UIKit and CSS snippets. BUILD YOUR PERSONAL LIBRARY Save palettes and individual colors in one place. Create a palette from a photo, random colors or a custom starting color. Name your palettes, edit their colors, add or remove shades, and save a single-color card as an image to Photos. EXPORT WITH COLOR PRO Take palettes into your design workflow with PDF in A4 or US Letter size, ASE, ACO, RGB/RGBA text and GIMP GPL files. Export CSS, SwiftUI and Tailwind files for development. Color Pro is an optional one-time purchase that unlocks the complete reference library and its search features, unlimited palette saves and professional file exports. Some library content, palette saving and file exports are limited in the free version. No subscription. Made for iPhone and iPad, with an interface that gives colors room to breathe. Core tools and photo processing run on your device. No account, ads or tracking. Start with a color you love. Build a palette you can use. Support: tinysoftspt@163.com
GreyStep
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Converts an image from the photo library to a 4-value monochrome image.
Screenshots
Verdict
The clearest difference is in-app purchases: GreyStep at none against Color's 1. GreyStep also leads on update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Color sells 1 one-off in-app purchase. GreyStep asks for nothing beyond the download.
Color ships an update every 2 weeks, GreyStep every 6 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Color | GreyStep |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 6 days ā better |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Monetization | Free with in-app purchases | ā |
| Devices | iPhone, iPad, Mac ā better | iPhone, iPad |
| Requires iOS | 17.0 | 16.6 ā better |
| Further details ā not scored | ||
| Size | 6 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | ä½ å¼ | Yukihiro Shioya |
In-app purchases
Color
- Premium Version$1.99
GreyStep
No in-app purchases









