# QScan vs Dewey

The clearest difference is update cadence: Dewey at every 8 days against QScan's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QScan sells 1 one-off in-app purchase and Dewey sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

QScan ships an update every 4 months, Dewey every 8 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QScan | Dewey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24 ratings)](https://appshunter.io/ios/app/qscan-ultimate-qr-code-tool/id1322365828/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 85 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) | [Dendric LLC](https://appshunter.io/developer/1861051247) |

## What reviewers say

### QScan

[App page](https://appshunter.io/ios/app/qscan-ultimate-qr-code-tool/id1322365828)

This tool offers fast QR code scanning and creation with extensive customization options. Easily embed logos, change colors, and manage your scan history. It's designed for both everyday use and professional branding.

**Highlights:** Lightning-fast scanning, Smart detection from camera or photos, Create QR codes for 15+ types, Embed custom logos, Vibrant custom colors, Automatic history and search, One-tap sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro Version | $3.99 | one-time |


### Dewey

[App page](https://appshunter.io/ios/app/dewey-disorganized-notes/id6761198481)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dewey Patron | $4.99 | per month |


## Frequently asked questions

### Is QScan free?

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

### Is Dewey free?

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

### Do QScan or Dewey have ads?

Neither QScan nor Dewey shows ads.

### Which is updated more often, QScan or Dewey?

QScan ships an update every 4 months, and Dewey every 8 days. Most recently, QScan was updated on October 29, 2026 and Dewey on October 31, 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.*