# E vs PropDeck

The clearest difference is update cadence: E at weekly against PropDeck's every 3 weeks. E also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E sells 1 one-off in-app purchase and PropDeck sells 1 in-app purchase, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

E ships an update weekly, PropDeck every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | E | PropDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-170175-aircraft-apps/id1637315525/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 25 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) | [Samic Ventures LLC](https://appshunter.io/developer/6778734223) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-170175-aircraft-apps/id1637315525)

This app provides supplemental study material for Embraer E-170/175 aircraft type ratings. It offers flashcards, quizzes, and memory items for pilots preparing for exams and recurrent training. Features include weather data, distance calculations, and conversion tools.

**Highlights:** Aircraft system flashcards, Multiple choice quizzes with timer, Memory items study, Aircraft limitations study, Worldwide weather and METAR/TAF, Airport distance calculator, Aircraft conversion calculator

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-170175 Type Rating Prep | $19.99 | one-time |


### PropDeck

[App page](https://appshunter.io/ios/app/propdeck/id6779670665)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PropDeck Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is E free?

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

### Is PropDeck free?

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

### Do E or PropDeck have ads?

Neither E nor PropDeck shows ads.

### Which is updated more often, E or PropDeck?

E ships an update weekly, and PropDeck every 3 weeks. Most recently, E was updated on October 12, 2026 and PropDeck on October 10, 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.*