# TruAirspeed vs Lightspeed App

The clearest difference is review sentiment: TruAirspeed at 71% against Lightspeed App's 12%. TruAirspeed also leads on rating (4.1 vs 3.3). Lightspeed App's advantage is update cadence (every 6 months vs every 24 months) and ratings volume (49 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TruAirspeed holds the better App Store score, 4.1 against 3.3. That said, the two scores are not equally well evidenced: Lightspeed App has 49 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 71% of TruAirspeed's written reviews are positive against 12% of Lightspeed App's.

TruAirspeed ships an update every 24 months, Lightspeed App every 6 months. The most recent releases landed on June 2, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | TruAirspeed | Lightspeed App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/truairspeed/id855269892/reviews)** | [3.3 (49 ratings)](https://appshunter.io/ios/app/lightspeed-app/id1469234593/reviews) |
| Number of ratings | 8 | **49** |
| Positive reviews | **71.4% of reviews** | 11.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 8 MB | 71 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Petty](https://appshunter.io/developer/603661046) | [Lightspeed Aviation](https://appshunter.io/developer/541925734) |

## What reviewers say

### TruAirspeed

[App page](https://appshunter.io/ios/app/truairspeed/id855269892)

This utility calculates true airspeed, pressure altitude, density altitude, and Mach number. It accounts for compressibility effects and offers unit choices and keypad styles. Users can also input a correction factor for their airspeed indicator.

**Highlights:** True airspeed calculation, Pressure and density altitude calculation, Mach number calculation, Compressibility effects accounted for, Choice of input/result units, Calculator or telephone keypad options, Airspeed indicator correction factor

**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 TruAirspeed free?

TruAirspeed 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, TruAirspeed or Lightspeed App?

TruAirspeed is rated higher. TruAirspeed averages 4.1 out of 5 from 8 ratings, while Lightspeed App averages 3.3 from 49 ratings.

### Do TruAirspeed or Lightspeed App have ads?

Neither TruAirspeed nor Lightspeed App shows ads.

### Which is updated more often, TruAirspeed or Lightspeed App?

TruAirspeed ships an update every 24 months, and Lightspeed App every 6 months. Most recently, TruAirspeed was updated on June 2, 2026 and Lightspeed App on September 7, 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.*