# ToptiCalc Optics Calculator vs SpeechMasking

The clearest difference is ratings volume: ToptiCalc Optics Calculator at 4 against SpeechMasking's 1. SpeechMasking's advantage is iOS requirement (8.0 vs 16.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for ToptiCalc Optics Calculator against 5.0 for SpeechMasking. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | ToptiCalc Optics Calculator | SpeechMasking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/topticalc-optics-calculator/id919586984/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/speechmasking/id1131024839/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | — |
| Monetization | Free | Free |
| Size | 2 MB | 64 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Toptica Photonics AG](https://appshunter.io/developer/919586983) | [Christoph Mandra](https://appshunter.io/developer/1131024838) |

## What reviewers say

### ToptiCalc Optics Calculator

[App page](https://appshunter.io/ios/app/topticalc-optics-calculator/id919586984)

This application provides essential calculations and conversions for laser optics, covering areas like spectral unit conversion, Fabry-Perot calculations, and Gaussian beam focusing. It's designed to be a convenient tool for quick access to important optical formulas.

**Highlights:** Spectral Unit Conversion, Fabry-Perot Calculations, Gaussian Beam Focusing, Refraction at a Plane Surface, Short Laser Pulse Calculations, Pulse Train Calculations, Decibel Conversion

**In-app purchases:** none


### SpeechMasking

[App page](https://appshunter.io/ios/app/speechmasking/id1131024839)

This app generates various noise types, including speech masking mixes, white noise, and nature sounds, to illustrate speech intelligibility reduction. It also features a tone generator and can layer multiple sound samples for relaxation or sleep.

**Highlights:** Speech masking noise generation, Built-in tone generator, Ocean waves for relaxation, Multiple sound sample layering, Wide frequency range tone generation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ToptiCalc Optics Calculator free?

ToptiCalc Optics Calculator is free to download, with no in-app purchases.

### Is SpeechMasking free?

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

### Which has better reviews, ToptiCalc Optics Calculator or SpeechMasking?

ToptiCalc Optics Calculator and SpeechMasking are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do ToptiCalc Optics Calculator or SpeechMasking have ads?

Neither ToptiCalc Optics Calculator nor SpeechMasking shows ads.

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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.*