# QR Code Reader vs Cleaner Zero

The clearest difference is rating: Cleaner Zero at 4.7 against QR Code Reader's 4.3. QR Code Reader's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. QR Code Reader sells 4 in-app purchases, starting at $4.99 per 7 days and Cleaner Zero sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cleaner Zero holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 39 and 18 respectively.

QR Code Reader ships an update every 2 weeks, Cleaner Zero fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QR Code Reader | Cleaner Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (39 ratings)](https://appshunter.io/ios/app/qr-code-reader-scan-qr-app/id1552346918/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/cleaner-zero-clean-up-storage/id6757073187/reviews)** |
| Number of ratings | **39** | 18 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 80 MB | 79 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Quang Tran](https://appshunter.io/developer/1449441569) | [PEU SX S.R.L.](https://appshunter.io/developer/1864310540) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scan-qr-app/id1552346918)

Instantly scan QR codes and barcodes to access website links, product details, and more. Generate custom QR codes for various information and utilize business-specific features for inventory management and data export. Offers unlimited scan history and iCloud sync across devices.

**Highlights:** Scan all major QR and barcode formats, Search products on Amazon, eBay, Google, Generate custom QR codes, Business scanner mode for inventory, Export scan history as CSV, Unlimited scan history, iCloud sync across devices

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader Pro 1 week | $4.99 | per 7 days |
| QR Code Reader Pro 1 week | $6.99 | per 7 days |
| QR Code Reader Pro (1 Month) | $14.99 | per month |
| QR Code Reader Pro 1 Month | $29.99 | per month |


### Cleaner Zero

[App page](https://appshunter.io/ios/app/cleaner-zero-clean-up-storage/id6757073187)

This AI-powered study companion helps students understand homework and master academic subjects. Get instant answers, clear explanations, and step-by-step solutions to learn effectively and improve academic performance.

**Highlights:** Instant homework checking, AI study assistant, Multi-subject learning, Step-by-step solutions, User-friendly interface

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Yearly Subscription | $69.99 | per year |


## Frequently asked questions

### Is QR Code Reader free?

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

### Is Cleaner Zero free?

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

### Which has better reviews, QR Code Reader or Cleaner Zero?

Cleaner Zero is rated higher. QR Code Reader averages 4.3 out of 5 from 39 ratings, while Cleaner Zero averages 4.7 from 18 ratings.

### Do QR Code Reader or Cleaner Zero have ads?

Both QR Code Reader and Cleaner Zero show ads.

### Which is updated more often, QR Code Reader or Cleaner Zero?

QR Code Reader ships an update every 2 weeks, and Cleaner Zero fortnightly. Most recently, QR Code Reader was updated on October 29, 2026 and Cleaner Zero on October 24, 2026.

---

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