# NUUO iViewer vs QR Code Reader & Barcode Scan

The clearest difference is review sentiment: QR Code Reader & Barcode Scan at 100% against NUUO iViewer's 25%. QR Code Reader & Barcode Scan also leads on rating (4.8 vs 1.6) and update cadence (every 3 weeks vs every 6 weeks). NUUO iViewer's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. QR Code Reader & Barcode Scan sells 4 in-app purchases, starting at $4.49 per month. NUUO iViewer asks for nothing beyond the download.

QR Code Reader & Barcode Scan holds the better App Store score, 4.8 against 1.6. Both are backed by a comparable volume of ratings — 15 and 71 respectively. Written reviews point the same way: 25% of NUUO iViewer's written reviews are positive against 100% of QR Code Reader & Barcode Scan's.

NUUO iViewer ships an update every 6 weeks, QR Code Reader & Barcode Scan every 3 weeks. The most recent releases landed on July 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | NUUO iViewer | QR Code Reader & Barcode Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (15 ratings)](https://appshunter.io/ios/app/nuuo-iviewer/id362310181/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/qr-code-reader-and-barcode-scan/id1521174180/reviews)** |
| Number of ratings | 15 | **71** |
| Positive reviews | 25.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 15 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NUUO Inc.](https://appshunter.io/developer/362310184) | [Mert Vardar](https://appshunter.io/developer/1456260549) |

## What reviewers say

### NUUO iViewer

[App page](https://appshunter.io/ios/app/nuuo-iviewer/id362310181)

Access and view live video feeds from your NUUO security camera systems remotely. Monitor multiple cameras, control PTZ functions, and receive event notifications on your iOS device.

**Highlights:** Remote live video monitoring, Multiple camera view, Physical/Digital PTZ control, Snapshot support, Event push notifications, Playback support, Megapixel resolution support

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader & Barcode Scan

[App page](https://appshunter.io/ios/app/qr-code-reader-and-barcode-scan/id1521174180)

Easily scan QR codes and barcodes by simply pointing your device's camera. This utility offers instant results, a helpful flashlight for low-light conditions, and keeps a history of your scans. No internet connection is needed for this fast and effective tool.

**Highlights:** Instant QR and barcode scanning, Flashlight for low-light, Scan history, No internet required, Minimalist material design, Simple to use

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader & Barcode + | $4.49 | per month |
| QR Code Reader & Barcode + | $4.99 | per month |
| QR Code Scanner Maker + | $39.99 | per year |
| QR Code Scanner Maker + | $39.99 | per year |


## Frequently asked questions

### Is NUUO iViewer free?

NUUO iViewer is free to download, with no in-app purchases.

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

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

### Which has better reviews, NUUO iViewer or QR Code Reader & Barcode Scan?

QR Code Reader & Barcode Scan is rated higher. NUUO iViewer averages 1.6 out of 5 from 15 ratings, while QR Code Reader & Barcode Scan averages 4.8 from 71 ratings.

### Do NUUO iViewer or QR Code Reader & Barcode Scan have ads?

QR Code Reader & Barcode Scan shows ads; NUUO iViewer does not.

### Which is updated more often, NUUO iViewer or QR Code Reader & Barcode Scan?

NUUO iViewer ships an update every 6 weeks, and QR Code Reader & Barcode Scan every 3 weeks. Most recently, NUUO iViewer was updated on July 25, 2026 and QR Code Reader & Barcode Scan on September 22, 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.*