Comparison

QR Debug vs Keylines

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

Head to head
About

QR Debug

This app allows you to quickly view the data encoded in various scannable codes without being redirected. It captures and displays the scanned image along with the encoded data, offering options to copy or share both.

Highlights
  • Scan codes with device camera
  • View encoded data
  • See captured image
  • Copy/Share data and image
  • Supports multiple code types
Read full description

Do you work with QR codes or other types of scannable codes as much as I do? Do you need to see the data encoded in your codes for quick testing without your device or other fancy apps trying to take you to a website or somewhere else? Then this is the app for you! I needed an app like this, so I wrote one, and you get to benefit from my need. Features: * Scan a code with your device's camera and see the data encoded in that code * See the image your device's camera captured when it scanned the code * Copy or Share the data or the image with the new Share Sheet (iOS 16 only) Supported Codes: * QR * UPC-E * Code 128 * Code 39 * Code 93 * PDF417 * Code 39 mod 43 * DataMatrix * EAN-13 * EAN-8 * Interleaved 2 of 5 * ITF14 * Basically most of the codes defined by AVMetadataObject.ObjectType Directions: 1. Open the app 2. Tap the scan button in the lower right corner of the app to open the scanner 3. Aim your camera at the code you wish to scan 4. Attempt to contain your excitement as the data appears on the screen

About

Keylines

Overlay a customizable grid on screenshots to accurately measure layout dimensions, margins, and padding. This tool streamlines design and development workflows by enabling detailed analysis of app interfaces.

Highlights
  • Screenshot grid overlay
  • Measure layout sizes
  • Analyze margins and padding
  • Customizable grid size
  • Customizable line colors
  • Speeds up design process
Features
Read full description

Draws a grid overlay on screenshot to measure layout sizes, margins and padding. The grid speeds up your design and develop process, and lets you analyze other apps too! And you can even customize the grid size and line colors, etc.

Screenshots

QR Debug4 screens
Keylines4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Debug at none against Keylines's 1. QR Debug also leads on ratings volume (5 vs 1). On price, rating, ads and monetization model 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. Keylines sells 1 one-off in-app purchase. QR Debug 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 QR Debug against 5.0 for Keylines. That said, the two scores are not equally well evidenced: QR Debug has 5 ratings behind it against 1, so its average is the more settled of the two.

Scorecard2 real differences · 8 level
QR Debug versus Keylines: the parameters behind the verdict, then further details
ParameterQR DebugKeylines
PriceFreeFree
Rating5.0 (5 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings5 — better1
Update frequencyEvery 15 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperManaged Custom Solutions, Inc.明亮 李

Customer experience

QR Debug

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Keylines

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

QR Debug

No in-app purchases

1 purchases

Keylines

One-time1
  • Use Pixel as Coordinates$0.99

Questions

Is QR Debug free?
QR Debug is free to download, with no in-app purchases.
Is Keylines free?
Keylines is free to download, with in-app purchases available.
Which has better reviews, QR Debug or Keylines?
QR Debug and Keylines are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.
Do QR Debug or Keylines have ads?
Neither QR Debug nor Keylines shows ads.

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