# QuietScan vs Sternzy

The clearest difference is in-app purchases: QuietScan at none against Sternzy's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sternzy sells 4 one-off in-app purchases. QuietScan asks for nothing beyond the download.

## The numbers

| Metric | QuietScan | Sternzy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 14 MB | 3 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Ueda](https://appshunter.io/developer/1881427681) | [David Stern](https://appshunter.io/developer/6771868079) |

## What reviewers say

### QuietScan

[App page](https://appshunter.io/ios/app/quietscan-pdf-scanner/id6765815673)

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

**In-app purchases:** none


### Sternzy

[App page](https://appshunter.io/ios/app/sternzy-docscan/id6778944240)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $0.99 Coffee Tip | $0.99 | one-time |
| $1.99 Coffee Tip | $1.99 | one-time |
| $4.99 Coffee Tip | $4.99 | one-time |
| $9.99 Coffee Tip | $9.99 | one-time |


## Frequently asked questions

### Is QuietScan free?

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

### Is Sternzy free?

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

### Do QuietScan or Sternzy have ads?

Neither QuietScan nor Sternzy shows ads.

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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.*