# Hydro Connect vs QR Code Scanner

The clearest difference is rating: Hydro Connect at 5.0 against QR Code Scanner's 4.4. Hydro Connect also leads on in-app purchases (none vs 5) and ads (none vs shown). QR Code Scanner's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (435 vs 5). On price, review sentiment and device support there is nothing between them.

Both are free to download. QR Code Scanner sells 5 in-app purchases, starting at $6.99 per 7 days. Hydro Connect asks for nothing beyond the download.

Hydro Connect holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: QR Code Scanner has 435 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Hydro Connect's written reviews are positive against 94% of QR Code Scanner's.

Hydro Connect ships an update every 8 months, QR Code Scanner every 3 weeks. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Hydro Connect | QR Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/hydro-connect/id1574515164/reviews)** | [4.4 (435 ratings)](https://appshunter.io/ios/app/qr-code-scanner-scan-and-create/id6753803749/reviews) |
| Number of ratings | 5 | **435** |
| Positive reviews | **100.0% of reviews** | 94.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 34 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hydro Systems Company](https://appshunter.io/developer/1574515166) | [Anastasiia Balan](https://appshunter.io/developer/1845090477) |

## What reviewers say

### Hydro Connect

[App page](https://appshunter.io/ios/app/hydro-connect/id1574515164)

This app connects to chemical dispensing systems via Bluetooth, allowing users to access dispensing data, set up local dispensers, and log data for advanced analytics. It also provides troubleshooting tools and links to marketing content.

**Highlights:** BLE connectivity to dispensing units, Access current and historic dispensing data, Local dispenser setup, Data logging for analytics, Enhanced troubleshooting interface, Links to digital marketing content

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-scan-and-create/id6753803749)

Instantly scan and generate QR codes and barcodes for various purposes. Organize your scans with folders and export data for easy management. Offers a premium upgrade for advanced features and an ad-free experience.

**Highlights:** Scan QR codes and barcodes, Create custom QR codes, Save and organize scans, View detailed scan data, Export scans to CSV, Generate codes for Wi-Fi, links, contacts

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Sale - Full Premium Access | $6.99 | per 7 days |
| Premium Full Access - Week | $9.99 | per 7 days |
| Year Sale - Full Premium Access | $19.99 | per year |
| Premium Full Access - Yearly | $39.99 | per year |
| Premium Full Access - Year | $39.99 | per year |


## Frequently asked questions

### Is Hydro Connect free?

Hydro Connect is free to download, with no in-app purchases.

### Is QR Code Scanner free?

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

### Which has better reviews, Hydro Connect or QR Code Scanner?

Hydro Connect is rated higher. Hydro Connect averages 5.0 out of 5 from 5 ratings, while QR Code Scanner averages 4.4 from 435 ratings.

### Do Hydro Connect or QR Code Scanner have ads?

QR Code Scanner shows ads; Hydro Connect does not.

### Which is updated more often, Hydro Connect or QR Code Scanner?

Hydro Connect ships an update every 8 months, and QR Code Scanner every 3 weeks. Most recently, Hydro Connect was updated on October 8, 2026 and QR Code Scanner on October 19, 2026.

---

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