# ICAO Museum vs Avionics Pro

The clearest difference is update cadence: Avionics Pro at every 5 months against ICAO Museum's every 19 months. ICAO Museum's advantage is iOS requirement (9.3 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ICAO Museum ships an update every 19 months, Avionics Pro every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ICAO Museum | Avionics Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/avionics-pro/id1617334005/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 28 MB | 17 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simbioz](https://appshunter.io/developer/642542716) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### ICAO Museum

[App page](https://appshunter.io/ios/app/icao-museum/id1153019448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Avionics Pro

[App page](https://appshunter.io/ios/app/avionics-pro/id1617334005)

This educational tool provides essential calculators and circuit previews for aspiring Aircraft Electronics Technicians. It covers fundamental concepts like impedance, resonance, filters, and transistor bias, with real-world circuit examples tested in simulation and lab environments.

**Highlights:** Impedance calculators (Series/Parallel LRC), Resonance calculators, Filter circuit analysis with frequency response, Time constant calculations (RL/RC), Transistor bias simulation, Oscillator circuit examples

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ICAO Museum free?

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

### Is Avionics Pro free?

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

### Do ICAO Museum or Avionics Pro have ads?

Neither ICAO Museum nor Avionics Pro shows ads.

### Which is updated more often, ICAO Museum or Avionics Pro?

ICAO Museum ships an update every 19 months, and Avionics Pro every 5 months. Most recently, ICAO Museum was updated on November 2, 2026 and Avionics Pro on November 3, 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.*