# JUWEL Smart vs Useful QR Code Reader PRO

The clearest difference is price: JUWEL Smart at Free against Useful QR Code Reader PRO's $2.99. JUWEL Smart also leads on iOS requirement (13.0 vs 15.6). Useful QR Code Reader PRO's advantage is update cadence (every 9 days vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

JUWEL Smart is free to download; Useful QR Code Reader PRO costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JUWEL Smart ships an update every 7 months, Useful QR Code Reader PRO every 9 days. The most recent releases landed on June 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | JUWEL Smart | Useful QR Code Reader PRO |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 191 MB | 39 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [JUWEL Aquarium AG & Co. KG](https://appshunter.io/developer/1115232938) | [katapu.net](https://appshunter.io/developer/381898924) |

## What reviewers say

### JUWEL Smart

[App page](https://appshunter.io/ios/app/juwel-smart/id1537059166)

Monitor your JUWEL SmartCam remotely with this app. Stream live footage of your aquarium, share photos and videos with friends, and grant access to family members for shared viewing.

**Highlights:** Remote SmartCam monitoring, Live aquarium streaming, Photo and video sharing, Family member access

**Features:** macOS Compatibility

**In-app purchases:** none


### Useful QR Code Reader PRO

[App page](https://appshunter.io/ios/app/useful-qr-code-reader-pro/id6738622977)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JUWEL Smart free?

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

### Is Useful QR Code Reader PRO free?

Useful QR Code Reader PRO costs $2.99, with no in-app purchases.

### Do JUWEL Smart or Useful QR Code Reader PRO have ads?

Neither JUWEL Smart nor Useful QR Code Reader PRO shows ads.

### Which is updated more often, JUWEL Smart or Useful QR Code Reader PRO?

JUWEL Smart ships an update every 7 months, and Useful QR Code Reader PRO every 9 days. Most recently, JUWEL Smart was updated on June 7, 2026 and Useful QR Code Reader PRO on September 20, 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.*