# Duo Cleaner vs QR Code Scanner

Duo Cleaner and QR Code Scanner are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Duo Cleaner sells 6 in-app purchases, starting at $1.99 per 7 days and QR Code Scanner sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Duo Cleaner ships an update weekly, QR Code Scanner every 4 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Duo Cleaner | QR Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (34 ratings)](https://appshunter.io/ios/app/duo-cleaner-clean-up-storage/id6771264098/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 56 MB | 19 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TP Technology Service Company Limited](https://appshunter.io/developer/1683283412) | [Huong Dang](https://appshunter.io/developer/1896285075) |

## What reviewers say

### Duo Cleaner

[App page](https://appshunter.io/ios/app/duo-cleaner-clean-up-storage/id6771264098)

This AI-powered app helps you quickly find and remove duplicate and similar photos, screenshots, and other clutter from your iPhone's photo library. It operates entirely on-device, ensuring your privacy and working offline to free up valuable storage space.

**Highlights:** AI-powered duplicate photo detection, Similar photo grouping and comparison, Screenshot detection and removal, On-device processing for privacy, Offline functionality, Storage saving dashboard

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Weekly | $3.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Annual | $19.99 | per year |
| Annual | $29.99 | per year |
| Annual | $34.99 | per year |


### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-scan-barcodes/id6797189756)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Yearly Premium | $39.99 | per year |


## Frequently asked questions

### Is Duo Cleaner free?

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

### Is QR Code Scanner free?

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

### Do Duo Cleaner or QR Code Scanner have ads?

Both Duo Cleaner and QR Code Scanner show ads.

### Which is updated more often, Duo Cleaner or QR Code Scanner?

Duo Cleaner ships an update weekly, and QR Code Scanner every 4 days. Most recently, Duo Cleaner was updated on November 13, 2026 and QR Code Scanner on November 10, 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.*