# Padpilot E vs ICAO4U

The clearest difference is in-app purchases: Padpilot E at none against ICAO4U's 3. Padpilot E also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ICAO4U sells 3 one-off in-app purchases. Padpilot E asks for nothing beyond the download.

Padpilot E ships an update monthly, ICAO4U every 6 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Padpilot E | ICAO4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/padpilot-e-reader/id1590833752/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 61 MB | 63 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Padpilot Limited](https://appshunter.io/developer/413253261) | [ICAO4U](https://appshunter.io/developer/1684724456) |

## What reviewers say

### Padpilot E

[App page](https://appshunter.io/ios/app/padpilot-e-reader/id1590833752)

Access assigned or purchased educational books. This reader allows students to engage with digital learning materials provided by their aviation training organization or bought directly.

**Highlights:** Access assigned books, Purchase books, Digital learning materials, Aviation training content

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

**In-app purchases:** none


### ICAO4U

[App page](https://appshunter.io/ios/app/icao4u-aviation-english/id6448457848)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COURSE 1 month | $299.99 | one-time |
| COURSE + EXAM | $399.99 | one-time |
| VIP COURSE | $599.00 | one-time |


## Frequently asked questions

### Is Padpilot E free?

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

### Is ICAO4U free?

ICAO4U is free to download, with in-app purchases available.

### Do Padpilot E or ICAO4U have ads?

Neither Padpilot E nor ICAO4U shows ads.

### Which is updated more often, Padpilot E or ICAO4U?

Padpilot E ships an update monthly, and ICAO4U every 6 weeks. Most recently, Padpilot E was updated on November 3, 2026 and ICAO4U on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*