Comparison

ScreenLines vs Colors Unlocked

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

Head to head
About

ScreenLines

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
Read full description

ScreenLines helps you apply screen protectors with perfect precision! Simply launch the app and it transforms your screen into a handy alignment template with a white guideline around the edges. Follow the line during installation, and your screen protector will go on perfectly. HOW IT WORKS: - Start installation mode — a thin white line appears around your screen edges - Position your screen protector so the line stays inside its borders - Done! Your screen protector is perfectly aligned WE'VE GOT YOU COVERED: - Step-by-step instructions for beginners - Tutorial video with examples - Solutions to common problems - Preparation tips and tricks YOUR SAVINGS: Repair shop installation: $15-60 per visit With our app: free Annual savings: up to $300 WHY YOU'LL LOVE IT: - Results as good as the pros - Save money and time - Easy even if you've never done it before - Works with all modern iPhones and iPads - Completely free HANDY FEATURES: - Works with any iPhone and iPad model - Guidelines perfectly sized for your screen - Keeps your screen awake during installation Installing a screen protector straight is now simple! Try ScreenLines and see for yourself. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Colors Unlocked

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
Read full description

Know every color, instantly. Point your camera at anything and Colors Unlocked tells you what color it is, in plain words you can actually picture. Built for people with color blindness, and handy for anyone who wants to be sure. SEE IT, NAME IT • Live color names as you move your camera • Plain shade words like "muted", "dark" or "leans blue", plus the color family • Hear colors read aloud • Tap anywhere to pick a spot, or average an area for steady readings on fabric and textures FIND COLORS FAST • Highlight mode outlines chosen colors right in the camera view • Freeze the picture and drag to explore every part of it • Pick colors from photos in your library • Flashlight and brightness boost for dim rooms KEEP WHAT MATTERS • Save colors under your own names • History of every color you've picked EVERYDAY QUESTIONS, ANSWERED Is this shirt navy or black? Which wire is red? Is the fruit ripe? Do these socks match? COLORS UNLOCKED PRO A one-time purchase adds Tint and Pattern highlighting, your own highlight colors, and unlimited saved colors. All core color identification stays free.

Screenshots

ScreenLines4 screens
Colors Unlocked4 screens

Verdict

The call

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.

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

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
ScreenLines versus Colors Unlocked: the parameters behind the verdict, then further details
ParameterScreenLinesColors Unlocked
PriceFreeFree
Rating5.0 (19 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings19 — better1
Update frequencyEvery 5 weeks — betterEvery 15 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size8 MB22 MB
Age rating4+4+
DeveloperArtem BolotovKyle Henning

Customer experience

ScreenLines

All ratings19 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Colors Unlocked

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ScreenLines

Subscriptions1
  • Premium Yearly$2.991 Year
One-time1
  • Premium Forever$6.99
None

Colors Unlocked

No in-app purchases

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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