# Noise Calc vs GDA Smart control

The clearest difference is device support: Noise Calc at 3 against GDA Smart control's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Noise Calc ships an update every 11 months, GDA Smart control every 14 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Noise Calc | GDA Smart control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/noise-calc/id1556882174/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 14 months |
| Monetization | Free | — |
| Size | 39 MB | 243 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) | [GENERAL D’ASPIRAZIONE Sas](https://appshunter.io/developer/1741719506) |

## What reviewers say

### Noise Calc

[App page](https://appshunter.io/ios/app/noise-calc/id1556882174)

This calculator estimates outdoor and semi-reverberant noise levels. It's designed for acoustic technicians and professionals dealing with machine noise, offering tools for logarithmic summation and difference, sound pressure attenuation, and noise reduction from barriers.

**Highlights:** Logarithmic summation of decibels, Logarithmic difference in decibels, Sound pressure attenuation with distance, Free-field sound propagation, Sound-insulating barrier noise reduction, Outdoor machinery noise compliance estimation

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

**In-app purchases:** none


### GDA Smart control

[App page](https://appshunter.io/ios/app/gda-smart-control/id6498632261)

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

**In-app purchases:** none


## Frequently asked questions

### Is Noise Calc free?

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

### Is GDA Smart control free?

GDA Smart control is free to download, with no in-app purchases.

### Do Noise Calc or GDA Smart control have ads?

Neither Noise Calc nor GDA Smart control shows ads.

### Which is updated more often, Noise Calc or GDA Smart control?

Noise Calc ships an update every 11 months, and GDA Smart control every 14 months. Most recently, Noise Calc was updated on October 10, 2026 and GDA Smart control on October 13, 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.*