# QR Code Reader, Barcode Scan vs Smart Aqua

The clearest difference is rating: QR Code Reader, Barcode Scan at 4.5 against Smart Aqua's 1.0. QR Code Reader, Barcode Scan also leads on ratings volume (7.6K vs 1) and review sentiment (23% vs 0%). Smart Aqua's advantage is in-app purchases (none vs 16) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. QR Code Reader, Barcode Scan sells 15 in-app purchases, starting at $2.99 per 7 days. Smart Aqua asks for nothing beyond the download.

QR Code Reader, Barcode Scan holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: QR Code Reader, Barcode Scan has 7.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 23% of QR Code Reader, Barcode Scan's written reviews are positive against 0% of Smart Aqua's.

QR Code Reader, Barcode Scan ships an update weekly, Smart Aqua monthly. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | QR Code Reader, Barcode Scan | Smart Aqua |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (7.6K ratings)](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1615788517/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/smart-aqua/id6449386967/reviews) |
| Number of ratings | **7.6K** | 1 |
| Positive reviews | **23.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 61 MB | 34 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Essa Studio](https://appshunter.io/developer/1773623663) | [Shenzhen Kinwayn Tech Co., Ltd.](https://appshunter.io/developer/1688849456) |

## What reviewers say

### QR Code Reader, Barcode Scan

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1615788517)

Instantly scan QR codes, barcodes, and even product photos. This app simplifies everyday tasks like accessing menus, connecting to Wi-Fi, or checking prices. It also allows you to create your own QR codes and convert documents to PDFs.

**Highlights:** Scan QR codes and barcodes, Scan product photos for online search, Generate custom QR codes, Convert documents to PDF, Instant Wi-Fi connection, Access URLs and contacts

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR & Barcode Reader, Generator | $2.99 | per 7 days |
| QR Code Scanner х QR Generator | $3.99 | per month |
| Pro Access | $3.99 | per 7 days |
| The QR Reader х QR Generator | $4.99 | per month |
| Premium Scanner App | $4.99 | per 7 days |
| QR & Barcode Reader, Generator | $5.99 | per 7 days |
| Full Access | $6.99 | per 7 days |
| Full Access | $7.99 | per 7 days |
| Quarterly Subscription | $17.99 | per 3 months |
| 3 Months Pro Subscription | $18.99 | per 3 months |
| Good Scanner | $23.99 | per year |
| Pro access to the app | $23.99 | per 3 months |
| Unlimited Pass+ | $29.99 | per year |
| Pro Forever | $3.99 | one-time |
| Lifetime Access | $19.99 | one-time |

**What reviewers like**

- 👍 Easy and fast
- 🚀 Excellent scanning performance

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Lack of transparency on pricing
- 🐛 Unreliable functionality
- 🚫 Forced to pay to use basic features

**Reported bugs**

- Barcode scanning not working properly
- Internal errors when using the app

**Requested features**

- Ability to save scanned barcode images
- Option to cancel subscription


### Smart Aqua

[App page](https://appshunter.io/ios/app/smart-aqua/id6449386967)

Control your aquarium products with this app. Features include product connectivity, customizable sunrise and sunset lighting, and personalized lighting programs to enhance your aquatic environment.

**Highlights:** Product connectivity, Sunrise and sunset control, Customized lighting programs, Aquarium product management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader, Barcode Scan free?

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

### Is Smart Aqua free?

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

### Which has better reviews, QR Code Reader, Barcode Scan or Smart Aqua?

QR Code Reader, Barcode Scan is rated higher. QR Code Reader, Barcode Scan averages 4.5 out of 5 from 7.6K ratings, while Smart Aqua averages 1.0 from 1 ratings.

### Do QR Code Reader, Barcode Scan or Smart Aqua have ads?

Neither QR Code Reader, Barcode Scan nor Smart Aqua shows ads.

### Which is updated more often, QR Code Reader, Barcode Scan or Smart Aqua?

QR Code Reader, Barcode Scan ships an update weekly, and Smart Aqua monthly. Most recently, QR Code Reader, Barcode Scan was updated on October 19, 2026 and Smart Aqua on October 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.*