# ScreenLines vs Colors Unlocked

The clearest difference is in-app purchases: Colors Unlocked at none against ScreenLines's 2. ScreenLines's advantage is update cadence (every 5 weeks vs every 15 months) and ratings volume (19 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. ScreenLines sells 2 in-app purchases, starting at $2.99 per year. Colors Unlocked asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ScreenLines against 5.0 for Colors Unlocked. That said, the two scores are not equally well evidenced: ScreenLines has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

ScreenLines ships an update every 5 weeks, Colors Unlocked every 15 months. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ScreenLines | Colors Unlocked |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (19 ratings)](https://appshunter.io/ios/app/screenlines/id6739783494/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/colors-unlocked/id6746420695/reviews) |
| Number of ratings | **19** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 15 months |
| Monetization | Free | Free |
| Size | 8 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Bolotov](https://appshunter.io/developer/901756576) | [Kyle Henning](https://appshunter.io/developer/1816776212) |

## What reviewers say

### ScreenLines

[App page](https://appshunter.io/ios/app/screenlines/id6739783494)

This utility app provides a visual guide to perfectly align screen protectors on your device. It displays a white guideline around the screen edges, helping you position the protector with precision for a flawless installation.

**Highlights:** On-screen alignment guideline, Edge-to-edge white border, Step-by-step installation instructions, Tutorial video, Preparation tips, Keeps screen awake

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $2.99 | per year |
| Premium Forever | $6.99 | one-time |


### Colors Unlocked

[App page](https://appshunter.io/ios/app/colors-unlocked/id6746420695)

This app uses your phone's camera to identify colors on screen, providing their names, values, and visual context. It's designed to assist individuals with colorblindness, aid in environmental exploration, and support design work by offering detailed color insights.

**Highlights:** Camera-based color identification, Provides color names and values, Offers visual context for colors, Assists with colorblindness, Useful for design professionals

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ScreenLines free?

ScreenLines is free to download, with in-app purchases available.

### Is Colors Unlocked free?

Colors Unlocked is free to download, with no in-app purchases.

### Which has better reviews, ScreenLines or Colors Unlocked?

ScreenLines and Colors Unlocked are both rated 5.0 out of 5 on the App Store, from 19 and 1 ratings respectively.

### Do ScreenLines or Colors Unlocked have ads?

Neither ScreenLines nor Colors Unlocked shows ads.

### Which is updated more often, ScreenLines or Colors Unlocked?

ScreenLines ships an update every 5 weeks, and Colors Unlocked every 15 months. Most recently, ScreenLines was updated on October 30, 2026 and Colors Unlocked on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*