# Qr Code Reader & Scanner ZapQR vs Noise Level Meter ™

The clearest difference is review sentiment: Noise Level Meter ™ at 94% against Qr Code Reader & Scanner ZapQR's 14%. Noise Level Meter ™ also leads on rating (4.7 vs 4.4). Qr Code Reader & Scanner ZapQR's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Qr Code Reader & Scanner ZapQR sells 3 in-app purchases, starting at $2.29 per 7 days and Noise Level Meter ™ sells 6 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

Noise Level Meter ™ holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 100 and 66 respectively. Written reviews point the same way: 14% of Qr Code Reader & Scanner ZapQR's written reviews are positive against 94% of Noise Level Meter ™'s.

Qr Code Reader & Scanner ZapQR ships an update weekly, Noise Level Meter ™ every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Qr Code Reader & Scanner ZapQR | Noise Level Meter ™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (100 ratings)](https://appshunter.io/ios/app/qr-code-reader-and-scanner-zapqr/id6449176657/reviews) | **[4.7 (66 ratings)](https://appshunter.io/ios/app/noise-level-meter/id6467242976/reviews)** |
| Number of ratings | **100** | 66 |
| Positive reviews | 14.3% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 14 MB |
| Requires iOS | **15.4** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Firebolt Online, LLC](https://appshunter.io/developer/1546760418) | [Andy Sutanto](https://appshunter.io/developer/1659282966) |

## What reviewers say

### Qr Code Reader & Scanner ZapQR

[App page](https://appshunter.io/ios/app/qr-code-reader-and-scanner-zapqr/id6449176657)

This app allows you to quickly scan and generate QR codes for various purposes, including website links, Wi-Fi credentials, and contact information. It offers a user-friendly interface, organizational tools, and secure on-device processing for your data.

**Highlights:** Scan QR codes for URLs, Wi-Fi, contacts, and more, Generate QR codes for websites, contacts, Wi-Fi, and text, Organize and manage scanned and generated codes, Share codes instantly via messaging, email, or other apps, Dark mode and clean user interface, On-device processing for enhanced privacy

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.29 | per 7 days |
| Yearly | $9.89 | per year |
| Lifetime | $19.99 | one-time |


### Noise Level Meter ™

[App page](https://appshunter.io/ios/app/noise-level-meter/id6467242976)

Measure the sound loudness of your environment or appliances with real-time readings. This tool provides insights into minimum, average, and maximum noise levels, with calibration for accuracy. It's designed for quick assessments in various settings, offering a dark mode for comfortable viewing.

**Highlights:** Real-time noise level measurement, Calibration for accurate readings, Min, avg, and max noise insights, Dark mode support, Versatile for home, work, and outdoors

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noise Level Meter | $1.49 | per month |
| Noise Level Meter | $1.99 | per 7 days |
| Sound Level Meter Pro | $6.99 | per 6 months |
| Noise Level Meter Pro - 1Y2 | $9.99 | per year |
| dB Meter Pro | $19.99 | per year |
| Decibel Meter Pro | $19.99 | one-time |


## Frequently asked questions

### Is Qr Code Reader & Scanner ZapQR free?

Qr Code Reader & Scanner ZapQR is free to download, with in-app purchases available.

### Is Noise Level Meter ™ free?

Noise Level Meter ™ is free to download, with in-app purchases available.

### Which has better reviews, Qr Code Reader & Scanner ZapQR or Noise Level Meter ™?

Noise Level Meter ™ is rated higher. Qr Code Reader & Scanner ZapQR averages 4.4 out of 5 from 100 ratings, while Noise Level Meter ™ averages 4.7 from 66 ratings.

### Do Qr Code Reader & Scanner ZapQR or Noise Level Meter ™ have ads?

Noise Level Meter ™ shows ads; Qr Code Reader & Scanner ZapQR does not.

### Which is updated more often, Qr Code Reader & Scanner ZapQR or Noise Level Meter ™?

Qr Code Reader & Scanner ZapQR ships an update weekly, and Noise Level Meter ™ every 2 months. Most recently, Qr Code Reader & Scanner ZapQR was updated on October 23, 2026 and Noise Level Meter ™ on October 24, 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.*