# PDF Studio vs QR Code Generator

The clearest difference is ads: PDF Studio at none against QR Code Generator's shown. QR Code Generator's advantage is iOS requirement (15.6 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Studio sells 3 in-app purchases, starting at $2.49 per 7 days and QR Code Generator sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Studio ships an update every 2 weeks, QR Code Generator every 9 days. Both last shipped on September 14, 2026.

## The numbers

| Metric | PDF Studio | QR Code Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 6 MB | 54 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Boris Spiro](https://appshunter.io/developer/1853293003) | [Wave Color LLC](https://appshunter.io/developer/1800206590) |

## What reviewers say

### PDF Studio

[App page](https://appshunter.io/ios/app/pdf-studio-scan-and-edit-docs/id6755344174)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.49 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $29.99 | per year |


### QR Code Generator

[App page](https://appshunter.io/ios/app/qr-code-generator-qr-engine/id6757194664)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Generator vip | $3.99 | per month |
| QR code Generator unlimited use. | $17.99 | per year |
| Qr code Generator unlimited use. | $34.99 | one-time |


## Frequently asked questions

### Is PDF Studio free?

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

### Is QR Code Generator free?

QR Code Generator is free to download, with in-app purchases available.

### Do PDF Studio or QR Code Generator have ads?

QR Code Generator shows ads; PDF Studio does not.

### Which is updated more often, PDF Studio or QR Code Generator?

PDF Studio ships an update every 2 weeks, and QR Code Generator every 9 days. Most recently, PDF Studio was updated on September 14, 2026 and QR Code Generator on September 14, 2026.

---

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