# QRat vs CalcKey

The clearest difference is review sentiment: QRat at 44% against CalcKey's 0%. QRat also leads on rating (5.0 vs 3.9). CalcKey's advantage is ratings volume (9 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. QRat sells 3 in-app purchases, starting at $1.99 per month and CalcKey sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

QRat holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: CalcKey has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of QRat's written reviews are positive against 0% of CalcKey's.

QRat ships an update every 2 weeks, CalcKey every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | QRat | CalcKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qrat-qr-code-generator/id1497158638/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | **43.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 14 MB |
| Requires iOS | 16.4 | **15** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [泰宁 陆](https://appshunter.io/developer/591708109) | [Right Tracks IT Limited](https://appshunter.io/developer/1803615116) |

## What reviewers say

### QRat

[App page](https://appshunter.io/ios/app/qrat-qr-code-generator/id1497158638)

Easily create custom QR codes with extensive design options. Save your style settings and export in multiple formats. Integrate with Safari to generate codes directly from URLs.

**Highlights:** Highly customizable QR codes, Adjust colors, logos, and styles, Export in PNG, JPG, and SVG, Remembers style settings, Convert URLs from Safari

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QRat Pro Monthly | $1.99 | per month |
| Free Trial for 7 days | Free | one-time |
| Lifetime License | $4.99 | one-time |


### CalcKey

[App page](https://appshunter.io/ios/app/calckey-calculator-keyboard/id6748647909)

Perform calculations directly within any app using a smart keyboard extension. Get instant results for basic and scientific equations, with a history of your calculations. Enjoy a seamless typing experience and smart formatting.

**Highlights:** Keyboard calculator extension, Real-time results, Basic & scientific calculators, Calculation history, Smart formatting, Standalone app option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcKey Pro Monthly | $3.99 | per month |
| One time purchase | $19.99 | one-time |


## Frequently asked questions

### Is QRat free?

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

### Is CalcKey free?

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

### Which has better reviews, QRat or CalcKey?

QRat is rated higher. QRat averages 5.0 out of 5 from 1 ratings, while CalcKey averages 3.9 from 9 ratings.

### Do QRat or CalcKey have ads?

Neither QRat nor CalcKey shows ads.

### Which is updated more often, QRat or CalcKey?

QRat ships an update every 2 weeks, and CalcKey every 3 weeks. Most recently, QRat was updated on October 24, 2026 and CalcKey on October 24, 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.*