# Flight Computer Sim vs Lightspeed App

The clearest difference is review sentiment: Flight Computer Sim at 88% against Lightspeed App's 12%. Flight Computer Sim also leads on rating (4.8 vs 3.3) and iOS requirement (7.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Flight Computer Sim holds the better App Store score, 4.8 against 3.3. Both are backed by a comparable volume of ratings — 26 and 49 respectively. Written reviews point the same way: 88% of Flight Computer Sim's written reviews are positive against 12% of Lightspeed App's.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Flight Computer Sim | Lightspeed App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/flight-computer-sim/id951334562/reviews)** | [3.3 (49 ratings)](https://appshunter.io/ios/app/lightspeed-app/id1469234593/reviews) |
| Number of ratings | 26 | **49** |
| Positive reviews | **88.2% of reviews** | 11.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | Free |
| Size | 175 MB | 71 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diego Rodrigues](https://appshunter.io/developer/945473545) | [Lightspeed Aviation](https://appshunter.io/developer/541925734) |

## What reviewers say

### Flight Computer Sim

[App page](https://appshunter.io/ios/app/flight-computer-sim/id951334562)

This app simulates the E6B slide ruler, a crucial tool for aircraft pilots. It offers high-resolution visuals and smooth controls for precise calculations in conversion and wind correction modes. Experience a realistic feel for essential aviation computations.

**Highlights:** E6B slide ruler simulation, High-resolution ruler, Smooth rotation and sliding controls, Pinch-to-zoom functionality, Conversion mode, Wind correction modes (low and high speed)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Flight Computer Sim free?

Flight Computer Sim is free to download, with no in-app purchases.

### Is Lightspeed App free?

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

### Which has better reviews, Flight Computer Sim or Lightspeed App?

Flight Computer Sim is rated higher. Flight Computer Sim averages 4.8 out of 5 from 26 ratings, while Lightspeed App averages 3.3 from 49 ratings.

### Do Flight Computer Sim or Lightspeed App have ads?

Neither Flight Computer Sim nor Lightspeed App shows ads.

### Which is updated more often, Flight Computer Sim or Lightspeed App?

Flight Computer Sim ships an update every 6 months, and Lightspeed App every 6 months. Most recently, Flight Computer Sim was updated on September 22, 2026 and Lightspeed App on September 27, 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.*