# QR Code Reader vs Dolphin Clean

The clearest difference is ads: QR Code Reader at none against Dolphin Clean's shown. QR Code Reader also leads on device support (3 vs 1) and iOS requirement (12 vs 16.4). Dolphin Clean's advantage is update cadence (every 2 weeks vs every 5 months). On price and in-app purchases there is nothing between them.

Both are free to download. QR Code Reader sells 2 in-app purchases, starting at $3.99 per 7 days and Dolphin Clean sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

QR Code Reader ships an update every 5 months, Dolphin Clean every 2 weeks. The most recent releases landed on September 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QR Code Reader | Dolphin Clean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (712 ratings)](https://appshunter.io/ios/app/dolphin-clean-smart-cleaner/id6444435510/reviews)** |
| Number of ratings | — | **712** |
| Positive reviews | — | 55.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 63 MB |
| Requires iOS | **12** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Blinov](https://appshunter.io/developer/1590823529) | [Dolphin Technology Company Limited](https://appshunter.io/developer/1569145150) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scan-and-create/id1590823527)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $3.99 | per 7 days |
| 1 Month | $7.99 | per month |


### Dolphin Clean

[App page](https://appshunter.io/ios/app/dolphin-clean-smart-cleaner/id6444435510)

This app helps you free up storage space on your phone by deleting duplicate photos, videos, and outdated calendar events. It also organizes your contacts by merging duplicates and removing unnamed entries.

**Highlights:** Delete duplicate photos and videos, Organize and merge contacts, Clear outdated calendar events, Save storage space, Clean large videos by size, One-tap device cleaning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $9.99 | per month |
| Weekly VIP | $9.99 | per 7 days |
| Special Weekly Membership | $9.99 | per 7 days |
| Discounted Annual Membership | $9.99 | per year |
| Annual Membership | $49.99 | per year |
| Lifetime Membership | $99.99 | one-time |

**What reviewers like**

- 🚀 Fast and complete cleaning
- 👍 Smart and useful features
- 🚀 Efficient and quick
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Doesn't work as advertised
- 🐛 Crashes and freezes
- 🐛 Confusing to use

**Reported bugs**

- Doesn't clean up garbage and viruses
- Keeps crashing and exiting the app

**Requested features**

- Notification for hacking attempts
- Dark mode option


## Frequently asked questions

### Is QR Code Reader free?

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

### Is Dolphin Clean free?

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

### Do QR Code Reader or Dolphin Clean have ads?

Dolphin Clean shows ads; QR Code Reader does not.

### Which is updated more often, QR Code Reader or Dolphin Clean?

QR Code Reader ships an update every 5 months, and Dolphin Clean every 2 weeks. Most recently, QR Code Reader was updated on September 26, 2026 and Dolphin Clean on October 11, 2026.

---

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