# FOTOtouch vs Noise Calc

The clearest difference is update cadence: FOTOtouch at every 3 months against Noise Calc's every 11 months. FOTOtouch also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

FOTOtouch ships an update every 3 months, Noise Calc every 11 months. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | FOTOtouch | Noise Calc |
| --- | --- | --- |
| 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 3 months** | Every 11 months |
| Monetization | — | Free |
| Size | 41 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FOTOTOUCH SRL](https://appshunter.io/developer/1809392842) | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) |

## What reviewers say

### FOTOtouch

[App page](https://appshunter.io/ios/app/fototouch/id1165315880)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FOTOtouch free?

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

### Is Noise Calc free?

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

### Do FOTOtouch or Noise Calc have ads?

Neither FOTOtouch nor Noise Calc shows ads.

### Which is updated more often, FOTOtouch or Noise Calc?

FOTOtouch ships an update every 3 months, and Noise Calc every 11 months. Most recently, FOTOtouch was updated on September 19, 2026 and Noise Calc on September 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.*