# QRPDF vs Noise Clear

The clearest difference is in-app purchases: Noise Clear at none against QRPDF's 4. Noise Clear also leads on update cadence (weekly vs every 3 months). QRPDF's advantage is iOS requirement (15.1 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. QRPDF sells 4 one-off in-app purchases. Noise Clear asks for nothing beyond the download.

QRPDF ships an update every 3 months, Noise Clear weekly. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QRPDF | Noise Clear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 29 MB | 17 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ZST](https://appshunter.io/developer/1274473128) | [炯幸 梁](https://appshunter.io/developer/1879274478) |

## What reviewers say

### QRPDF

[App page](https://appshunter.io/ios/app/qrpdf/id6748396576)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1.99 | $1.99 | one-time |
| Tip $2.99 | $2.99 | one-time |
| Tip $4.99 | $4.99 | one-time |
| Tip $9.99 | $9.99 | one-time |


### Noise Clear

[App page](https://appshunter.io/ios/app/noise-clear/id6759526201)

**In-app purchases:** none


## Frequently asked questions

### Is QRPDF free?

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

### Is Noise Clear free?

Noise Clear is free to download, with no in-app purchases.

### Do QRPDF or Noise Clear have ads?

Neither QRPDF nor Noise Clear shows ads.

### Which is updated more often, QRPDF or Noise Clear?

QRPDF ships an update every 3 months, and Noise Clear weekly. Most recently, QRPDF was updated on October 4, 2026 and Noise Clear on October 25, 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.*