Comparison

Sectra Noise Shield vs QR Code Generator

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

Head to head

Sectra Noise Shield

Privacy through noise

About

Sectra Noise Shield

Features

Read full description

This app generates a randomized pink noise, designed to prevent the device playing the sound from also being able to listen to conversations. To ensure your protection, also place the device in a closed container. Consult an audio expert to determine the minimum noise level sound.

About

QR Code Generator

Features

Read full description

# QR Code Generator - Create, Save, and Share Easily! ### Generate QR codes quickly and efficiently with this app! ### - Save your QR codes in history and favorites for easy access. - Share generated QR codes as images with just one tap. - QR code images include the encoded text for convenience. - Easily copy the QR code text to your clipboard. Download now and start creating QR codes effortlessly!

Screenshots

Sectra Noise Shield2 screens

QR Code Generator4 screens

Verdict

The call

The clearest difference is ads: Sectra Noise Shield at none against QR Code Generator's shown. Sectra Noise Shield also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sectra Noise Shield ships an update weekly, QR Code Generator every 4 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level

Sectra Noise Shield versus QR Code Generator: the parameters behind the verdict, then further details
Parameter	Sectra Noise Shield	QR Code Generator
Price	Free	Free
Update frequency	Weekly	Every 4 days — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.6 — better	17.0
Further details — not scored
Size	2 MB	23 MB
Age rating	4+	4+
Developer	Sectra AB	Taisuke Hosokawa

In-app purchases

None

Sectra Noise Shield

No in-app purchases

None

QR Code Generator

No in-app purchases

Questions

Is Sectra Noise Shield free?

Sectra Noise Shield is free to download, with no in-app purchases.

Is QR Code Generator free?

QR Code Generator is free to download, with no in-app purchases.

Do Sectra Noise Shield or QR Code Generator have ads?

QR Code Generator shows ads; Sectra Noise Shield does not.

Which is updated more often, Sectra Noise Shield or QR Code Generator?

Sectra Noise Shield ships an update weekly, and QR Code Generator every 4 days. Most recently, Sectra Noise Shield was updated on October 25, 2026 and QR Code Generator on October 14, 2026.