# OASES vs AEA Pilots Guide

The clearest difference is update cadence: OASES at monthly against AEA Pilots Guide's every 19 months. 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.

OASES ships an update monthly, AEA Pilots Guide every 19 months. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OASES | AEA Pilots Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Size | 86 MB | 67 MB |
| Requires iOS | **12.1** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Communications Software Airline Systems Limited](https://appshunter.io/developer/1453573280) | [Aircraft Electronics Association,](https://appshunter.io/developer/1714826313) |

## What reviewers say

### OASES

[App page](https://appshunter.io/ios/app/oases/id1453573282)

**Features:** macOS Compatibility

**In-app purchases:** none


### AEA Pilots Guide

[App page](https://appshunter.io/ios/app/aea-pilots-guide/id6504790832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OASES free?

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

### Is AEA Pilots Guide free?

AEA Pilots Guide is free to download, with no in-app purchases.

### Do OASES or AEA Pilots Guide have ads?

Neither OASES nor AEA Pilots Guide shows ads.

### Which is updated more often, OASES or AEA Pilots Guide?

OASES ships an update monthly, and AEA Pilots Guide every 19 months. Most recently, OASES was updated on September 29, 2026 and AEA Pilots Guide on October 5, 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.*