# QUAPIX Lite vs Simple Noise Meter

The clearest difference is in-app purchases: QUAPIX Lite at none against Simple Noise Meter's 2. Simple Noise Meter's advantage is review sentiment (57% vs 36%) and update cadence (every 2 months vs every 5 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Simple Noise Meter sells 2 one-off in-app purchases. QUAPIX Lite asks for nothing beyond the download.

QUAPIX Lite ships an update every 5 months, Simple Noise Meter every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | QUAPIX Lite | Simple Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/simple-noise-meter/id1630705039/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 36.4% of reviews | **57.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [岩崎電気](https://appshunter.io/developer/905894718) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### QUAPIX Lite

[App page](https://appshunter.io/ios/app/quapix-lite/id905894715)

This tool helps you easily assess the brightness of your current environment. It utilizes advanced photometric and image processing technology to evaluate luminance and illuminance, providing color-analyzed images and comparative judgments against recommended levels.

**Highlights:** Analyze images to create luminance maps, Compare current brightness to recommended levels, View latest information from Iwasaki Electric, Discover nearby installation examples

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Noise Meter

[App page](https://appshunter.io/ios/app/simple-noise-meter/id1630705039)

Measure ambient sound levels in decibels with this straightforward utility. It provides a simple interface to start, stop, and reset noise measurements, offering a supplementary tool for understanding your environment's acoustics.

**Highlights:** Real-time decibel measurement, Start, stop, and reset functions, Calibration for accuracy, Supplementary measurement tool, Easy-to-use interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $3.99 | one-time |


## Frequently asked questions

### Is QUAPIX Lite free?

QUAPIX Lite is free to download, with no in-app purchases.

### Is Simple Noise Meter free?

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

### Do QUAPIX Lite or Simple Noise Meter have ads?

Both QUAPIX Lite and Simple Noise Meter show ads.

### Which is updated more often, QUAPIX Lite or Simple Noise Meter?

QUAPIX Lite ships an update every 5 months, and Simple Noise Meter every 2 months. Most recently, QUAPIX Lite was updated on October 8, 2026 and Simple Noise Meter on October 7, 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.*