NetaLine vs ColorsConverter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NetaLine
Easily add a "concentration line" to your photos to highlight favorite spots. Select images, tap to position the line, adjust its thickness and spread, and save your creation. Perfect for adding emphasis to everyday finds, seasonal items, or fun moments.
- Add concentration lines to images
- Tap to position emphasis line
- Adjust line thickness and spread
- Save edited images
- Load multiple images at once
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I tried to make an app that can be saved with a concentration line to easily favorite place! Usage is very easy! The screen reads the image simply by pressing the Save button Tap! Casual and strange images found in everyday, cute things. Such as fruits and flowers feel the season. Children of Henkao and, how are playing. Found sundries shop, etc., strange items. Story image of when it sends it to a friend. You can give a simple centralized line in such a item. (^ ◇ ^ *) ○ How to use STEP1. It reads the image by tapping the album button. (Image can be loaded together up to three maximum) STEP2. Tap the favorite place of the image, adjust the position of the centralized line STEP3. Your favorite line thickness, adjust the spatial spread of the concentration line STEP4. It pushes the oil complete conversion to save the image on the Save button! And who can also peek you are satisfied If the setting screen is happy (^ ◇ ^ *) Because of the additional function is also performed at any time, please send such requests from the app. (^ ◇ ^ *)
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!
Screenshots
Verdict
The clearest difference is in-app purchases: ColorsConverter at none against NetaLine's 1. ColorsConverter also leads on ads (none vs shown) and review sentiment (100% vs 65%). On price, rating, ratings volume and update cadence 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. NetaLine sells 1 one-off in-app purchase. ColorsConverter asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for NetaLine against 5.0 for ColorsConverter. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 65% of NetaLine's written reviews are positive against 100% of ColorsConverter's.
NetaLine ships an update monthly, ColorsConverter every 3 weeks. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.
| Parameter | NetaLine | ColorsConverter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (2 ratings) |
| Positive reviews | 65.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 2 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.7 | 12.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | yuki naniwa | Daiki Hirao |
Customer experience
NetaLine
ColorsConverter
In-app purchases
NetaLine
- remove Ad$2.99
ColorsConverter
No in-app purchases









