# QR Debug vs Keylines

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.

Both are free to download. Keylines sells 1 one-off in-app purchase. QR Debug asks for nothing beyond the download.

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.

## The numbers

| Metric | QR Debug | Keylines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/qr-debug/id1609006170/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/keylines/id6443838591/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Managed Custom Solutions, Inc.](https://appshunter.io/developer/1557764901) | [明亮 李](https://appshunter.io/developer/1649800454) |

## What reviewers say

### QR Debug

[App page](https://appshunter.io/ios/app/qr-debug/id1609006170)

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

**In-app purchases:** none


### Keylines

[App page](https://appshunter.io/ios/app/keylines/id6443838591)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Use Pixel as Coordinates | $0.99 | one-time |


## Frequently asked 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.

---

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