# Percent Calculator vs QR Studio

The clearest difference is iOS requirement: Percent Calculator at 13.0 against QR Studio's 17.0. On price, update cadence, 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.

Percent Calculator ships an update every 6 days, QR Studio every 9 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Percent Calculator | QR Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (16 ratings)](https://appshunter.io/ios/app/qr-studio-create-qr-codes/id6462193592/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | — | Free |
| Size | 7 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Lau](https://appshunter.io/developer/1603050262) | [Victor Aguilar](https://appshunter.io/developer/1446189503) |

## What reviewers say

### Percent Calculator

[App page](https://appshunter.io/ios/app/percent-calculator/id6449375165)

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

**In-app purchases:** none


### QR Studio

[App page](https://appshunter.io/ios/app/qr-studio-create-qr-codes/id6462193592)

Create visually appealing and personalized QR codes with custom colors, icons, and templates. Easily generate codes for links, contacts, and Wi-Fi, then share them across various platforms.

**Highlights:** Customized QR Codes, Vibrant Color Palette, Iconic Imagery, Instant Actions, Pre-Made Templates, User-Friendly Interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Percent Calculator free?

Percent Calculator is free to download, with no in-app purchases.

### Is QR Studio free?

QR Studio is free to download, with no in-app purchases.

### Do Percent Calculator or QR Studio have ads?

Neither Percent Calculator nor QR Studio shows ads.

### Which is updated more often, Percent Calculator or QR Studio?

Percent Calculator ships an update every 6 days, and QR Studio every 9 days. Most recently, Percent Calculator was updated on October 27, 2026 and QR Studio on October 30, 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.*