# Lightspeed App vs Calculator

The clearest difference is price: Lightspeed App at Free against Calculator's $0.99. Lightspeed App also leads on device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Lightspeed App is free to download; Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lightspeed App | Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.3 (54 ratings)](https://appshunter.io/ios/app/lightspeed-app/id1469234593/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 11.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | — |
| Size | 76 MB | 0 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lightspeed Aviation](https://appshunter.io/developer/541925734) | [Victor van der Lely](https://appshunter.io/developer/1724018546) |

## What reviewers say

### Lightspeed App

[App page](https://appshunter.io/ios/app/lightspeed-app/id1469234593)

Enhance your flight experience with real-time CO sensor monitoring and personalized audio. Record and archive radio conversations for review and training.

**Highlights:** Real-time CO sensor tracking, Smart CO alerts, Personalized audio equalization (HearingEQity™), Record radio conversations, Archive flight recordings, Draw flight diagrams

**Features:** Vision Pro support

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculator-simple-and-smart/id6475350798)

**In-app purchases:** none


## Frequently asked questions

### Is Lightspeed App free?

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

### Is Calculator free?

Calculator costs $0.99, with no in-app purchases.

### Do Lightspeed App or Calculator have ads?

Neither Lightspeed App nor Calculator 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.*