# Airspeed Converter

> Airspeed Converter (iPhone/iPad app by Brian Biswell.)

- Source: https://appshunter.io/ios/app/airspeed-converter/id1228504043 (this page in markdown: same URL + `.md`)
- Developer: [Brian Biswell](https://appshunter.io/developer/1125634374)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 4 MB
- Languages: American English
- Released: 2017-04-24
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/airspeed-converter/id1228504043/reviews.md

## What is Airspeed Converter?

Converts airspeed values between calibrated airspeed (CAS), true airspeed (TAS), and Mach number using the ICAO Standard Atmosphere model, with corrections for non-standard temperature.  Includes corrections for supersonic flow.

Features:
    - Numerical or graphical conversion
    - Pressure altitude ranges from sea level to 100,000 feet
    - Handles up to Mach 5 in calculations
    - Choose feet or meters for altitude input, and Celsius or Fahrenheit for temperature input
    - Set the output precision of the displayed data
    - Brief description of operation and usage of the app

NOT FOR FLIGHT CRITICAL OPERATIONS


## Version history (last 5 releases)

### 1.4 — 2020-04-21

Fixed dark mode compatibility

### 1.3 — 2020-03-29

Updated for iOS 13

Fixed error entering negative numbers in temperature field using keyboard.

### 1.2 — 2018-10-06

Updated for iOS 12

### 1.1 — 2018-02-16

Updated for iPhone X

### 1.0.1 — 2017-04-25

Fixed minor bug saving and restoring app state

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## More apps by Brian Biswell

- [Hero Ledger](https://appshunter.io/ios/app/hero-ledger/id1260377921)

All apps by Brian Biswell: https://appshunter.io/developer/1125634374

## Related topics

[brian biswell](https://appshunter.io/ios/topics/brian-biswell)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*