Comparison

NUUO iViewer vs QR Code Reader & Barcode Scan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NUUO iViewer

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
Read full description

NUUO iViewer is a free app specially built for iOS devices that allows you to remotely monitor live video from security cameras through NUUO Surveillance systems. Users can view multiple cameras simultaneously by 3G or WiFi. It also supports snapshots and physical / digital PTZ control. Features on NUUO iViewer: 1. Up to 64 channels of live view display 2. Can setup multiple servers (Single server connection) 3. Support Snapshots 4. Support Physical / Digital PTZ control (Depends on camera) 5. Preset point support (Depends on camera) 6. Digital Input/Output support 7. Support Megapixel resolution 8. Support Playback 9. Support Push Notification (Available with NVRmini2, NVRSolo & Mainconsole) 10. Support ezNUUO (P2P) (Available with NVRsolo) 11. Favorite view for all NUUO recording servers 12. New Event List Button (Available with NVRmini2, NVRSolo & Mainconsole) 13. Support Audio 14. Support Demo Site 15. Support Talk (New Feature in v4.1.0; Only with NVRmini2, NVRsolo & Mainconsole) 16. Support QR code (New Feature in v4.3.0, Only with NVRSolo) Supported Systems iOS - iOS 7, 8 & 9 - iPhone 4 and above - iPad2 / the NEW iPad / iPad Air / iPad Air2 / iPad Pro Supported NUUO products & software version: -NVR(IP+)/Hybrid NDVR/ DVR: v3.5.0 or above version (Push Notification is available with v4.1) -NVRmini2: v1.0 or above version (Push Notification is available with v1.6) -TitanNVR: v1.0 or above version -NVRsolo: v1.0 -Crystal: v2.0 or above version Supported Video codec: -MJPEG -MPEG4 -H.264 -H.265 Known issues: -iViewer may receive the event push notification from the previous NUUO recording server if the user delete the iViewer and install the iViewer again within 30 days -User has to log in iViewer again to get the latest information, including camera information, user privilege and new digital output devices.

About

QR Code Reader & Barcode Scan

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
Read full description

- HOW IT WORKS To scan QR code or barcode, open the app and point the camera at the code, and you're done! App will quickly read the code and give you the details behind the code. In order to use the app, your device must have a built-in camera. FEATURES OF QR CODE READER / BARCODE SCANNER ● Beautiful minimalist material design ● Scans instantly ● Simple to use ● Flashlight for scans in low visibility ● Scan history ● No internet connection required Fast and effective. The app opens instantly in real-time scanning mode. Subscription Terms - Your payment will be charged to your iTunes Account as soon as you confirm your purchase. - You can manage your subscriptions and turn off auto-renewal from your Account Settings after the purchase. - Your subscription will renew automatically unless you turn off auto-renew at least 24 hours before the end of the current period. - The cost of renewal will be charged to your account within 24 hours prior to the end of the current period. - When canceling a subscription, your subscription will stay active until the end of the period. Auto-renewal will be disabled, but the current subscription will not be refunded. - Any unused portion of a free trial period, if offered, will be forfeited when purchasing a subscription. QR Code Reader & Barcode Scanner Related Terms - Terms of Service: https://bit.ly/3tgBMEc - Privacy Policy: https://bit.ly/2Qro3f0

Screenshots

NUUO iViewer4 screens
QR Code Reader & Barcode Scan4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
NUUO iViewer versus QR Code Reader & Barcode Scan: the parameters behind the verdict, then further details
ParameterNUUO iViewerQR Code Reader & Barcode Scan
PriceFreeFree
Rating1.6 (15 ratings)4.8 (71 ratings) — better
Positive reviews25.3% of reviews100.0% of reviews — better
Number of ratings1571 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size16 MB15 MB
Age rating4+4+
DeveloperNUUO Inc.Mert Vardar

Customer experience

NUUO iViewer

All ratings15 ratings
Positive13.3%
Neutral0.0%
Negative86.7%
Written reviews83 reviews
Positive25.3%
Neutral8.4%
Negative66.3%

QR Code Reader & Barcode Scan

All ratings71 ratings
Positive95.8%
Neutral2.8%
Negative1.4%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

NUUO iViewer

No in-app purchases

4 purchases

QR Code Reader & Barcode Scan

Subscriptions4
  • QR Code Reader & Barcode +3 Days trial$4.491 Month
  • QR Code Reader & Barcode +$4.991 Month
  • QR Code Scanner Maker +3 Days trial$39.991 Year
Show 1 more
  • QR Code Scanner Maker +$39.991 Year

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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