# Quick QR code Generate & Read vs Keystone Correction

The clearest difference is rating: Keystone Correction at 5.0 against Quick QR code Generate & Read's 4.5. Keystone Correction also leads on device support (3 vs 1) and iOS requirement (11.0 vs 18.0). Quick QR code Generate & Read's advantage is review sentiment (86% vs 67%) and update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keystone Correction holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews complicate that: 86% of Quick QR code Generate & Read's written reviews are positive against 67% of Keystone Correction's, so the app with the better star average is not the one people write more warmly about.

Quick QR code Generate & Read ships an update monthly, Keystone Correction every 2 months. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Quick QR code Generate & Read | Keystone Correction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (10 ratings)](https://appshunter.io/ios/app/quick-qr-code-generate-and-read/id1149959701/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/keystone-correction-comcam/id1504346555/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | **85.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 29 MB | 19 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EasterEggs](https://appshunter.io/developer/553389214) | [Masayoshi Shibata](https://appshunter.io/developer/1474388626) |

## What reviewers say

### Quick QR code Generate & Read

[App page](https://appshunter.io/ios/app/quick-qr-code-generate-and-read/id1149959701)

Easily scan and generate QR codes with this straightforward utility. Save scanned content to a history for later access. Share information like email addresses or URLs by creating your own QR codes.

**Highlights:** QR code camera reading, QR code creation, History management, Customizable settings, Easy to use interface

**In-app purchases:** none


### Keystone Correction

[App page](https://appshunter.io/ios/app/keystone-correction-comcam/id1504346555)

Easily scan and auto-correct documents directly on your device. This secure app keeps your images private by not uploading them online, making it ideal for sensitive business use. All functions are available for free, with no registration or complicated steps required.

**Highlights:** Automatic keystone correction, Secure offline processing, Easy document digitization, Free to use all functions, No user registration, Simple interface

**In-app purchases:** none


## Frequently asked questions

### Is Quick QR code Generate & Read free?

Quick QR code Generate & Read is free to download, with no in-app purchases.

### Is Keystone Correction free?

Keystone Correction is free to download, with no in-app purchases.

### Which has better reviews, Quick QR code Generate & Read or Keystone Correction?

Keystone Correction is rated higher. Quick QR code Generate & Read averages 4.5 out of 5 from 10 ratings, while Keystone Correction averages 5.0 from 5 ratings.

### Do Quick QR code Generate & Read or Keystone Correction have ads?

Both Quick QR code Generate & Read and Keystone Correction show ads.

### Which is updated more often, Quick QR code Generate & Read or Keystone Correction?

Quick QR code Generate & Read ships an update monthly, and Keystone Correction every 2 months. Most recently, Quick QR code Generate & Read was updated on September 19, 2026 and Keystone Correction on September 16, 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.*