ColorsConverter vs WebP Viewer SAMURAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ColorsConverter
Easily alter specific colors within your photos and illustrations. Select an original color and a new one to transform parts of your image, create grayscale effects, or highlight specific hues.
- Change color of image parts
- Use dropper for color selection
- Adjust saturation and brightness
- Convert image to grayscale
- Create monochromatic images
- Selective grayscale with color retention
- Stamp function to revert color changes
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Colors Converter is a image processing app! You can select an image in the album and change the color of one part of the image. It is simple to use, just specify the color before and after the change. There are various usages, such as processing photos and illustrations into unusual colors, changing the color of clothes and searching for colors that suit you, and changing the color of hair of anime and manga characters! Please try the way that suits you! What you can do with ColorsConverter: ◆ Change the color of part of the image You can change the color of part of the image by specifying the color before and after the change. The color before change can also be selected by touching the image using the dropper function. After the change, it is possible to adjust the basic 27 colors + saturation and brightness. ◆ Change the image to grayscale By changing the color to gray, you can create a grayscale image. Similarly, it is also possible to create a monochromatic image by changing the color after change to red, for example. ◆ Change to grayscale while leaving some colors By using the inverse transform function, it is possible to change colors other than those you want to keep to grayscale. This allows you to achieve stylish color transformations. ◆Others Using the stamp function, you can return the color of the touched area to the state before conversion. Unleash your creativity to create and edit colorful images!
WebP Viewer SAMURAI
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View animated WebP as animated WebP. No clumsy conversions to GIF or video, no still frames. WebP Viewer SAMURAI is a viewer made in Japan for people who want to read and enjoy their images, not edit them. IMPORT EASILY - Share images from the Files or Photos app and choose this app. - Or tap Import and pick many files at once. - When you pick many, choose what to import: animations, still images or videos. Collecting only the animations is easy. (Full version) - Import a whole folder at once. (Full version) - Videos you pick are converted into animated WebP. Set the start in 0.5-second steps and preview the result before converting. VIEW - Full screen with pinch to zoom, swipe to the next image. - Animated images loop smoothly, even large ones. - Tap to show the buttons, then tap again to rotate 90 degrees. The rotation is saved per image. - Slideshow. ORGANIZE - Keep images in folders with thumbnails. - Sort folders into groups, open or close them with ▼, and rename them anytime. (Full version) - Swipe sideways inside a folder to go to the next one. - Drag to reorder, move to another folder, delete in bulk. - Save or send selected images from the share sheet. - Save an animated WebP as a GIF that moves in Photos and on X, too. FAVORITES - Tap the heart to add favorites and see them all from "Favorites" on the top screen. - Show favorites as a header and an icon at the top of the top screen. Choose the visible area with your fingers. - Play a slideshow of just your favorites. - Sort favorites into groups, one for each of your favorites. (2 or more groups: Full version) - Export a favorite as a wallpaper, cut to the shape of your screen. (Full version) - Pick one of 6 background colors, or use any image as the background. (Image: Full version) PRIVATE BY DESIGN - Images are stored only on your device. Nothing is uploaded. - No account. No ads. FREE AND FULL VERSION The free version includes import, full screen viewing, rotation, slideshow, favorites (one group, with the header and icon on the top screen), background colors, search by file name, renaming, full backup (export all and restore), saving an animated WebP as a GIF and up to 2 folders. Video conversion is limited to 12 fps, 720 px and 20 seconds. The full version (one-time in-app purchase) adds: - Unlimited folders and folder groups - 2 or more Favorites groups - Export favorites as wallpapers - Any image as the background - Choose what to import in bulk (whole folders, too) - Crop (animated images stay animated) - Per-folder backup (export and restore) - Video conversion at 24/30 fps, 1080 px, 30 or 60 seconds Bought it before? Use "Restore purchase" in Settings on any device with the same Apple Account.
Screenshots
Verdict
The clearest difference is in-app purchases: ColorsConverter at none against WebP Viewer SAMURAI's 1. ColorsConverter also leads on iOS requirement (12.0 vs 15.0). WebP Viewer SAMURAI's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support 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
Both are free to download. WebP Viewer SAMURAI sells 1 one-off in-app purchase. ColorsConverter asks for nothing beyond the download.
ColorsConverter ships an update every 3 weeks, WebP Viewer SAMURAI daily. The most recent releases landed on October 8, 2026 and October 26, 2026 respectively.
| Parameter | ColorsConverter | WebP Viewer SAMURAI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Daiki Hirao | TAKASHI MAEDA |
In-app purchases
ColorsConverter
No in-app purchases
WebP Viewer SAMURAI
- Full Version$9.99
Questions
Is ColorsConverter free?
Is WebP Viewer SAMURAI free?
Do ColorsConverter or WebP Viewer SAMURAI have ads?
Which is updated more often, ColorsConverter or WebP Viewer SAMURAI?
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