# E vs Embraer 170/190 Tech Question

The clearest difference is iOS requirement: E at 12.0 against Embraer 170/190 Tech Question's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. E sells 1 one-off in-app purchase and Embraer 170/190 Tech Question sells 3 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

E ships an update weekly, Embraer 170/190 Tech Question every 11 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | E | Embraer 170/190 Tech Question |
| --- | --- | --- |
| 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 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 11 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) | [NexCode Systems LLC](https://appshunter.io/developer/1866619371) |

## 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 |


### Embraer 170/190 Tech Question

[App page](https://appshunter.io/ios/app/embraer-170190-tech-question/id6804485921)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro x1 | $11.99 | per month |
| Pro x3 | $21.99 | per 3 months |
| Pro x6 | $29.99 | per 6 months |


## Frequently asked questions

### Is E free?

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

### Is Embraer 170/190 Tech Question free?

Embraer 170/190 Tech Question is free to download, with in-app purchases available.

### Do E or Embraer 170/190 Tech Question have ads?

Neither E nor Embraer 170/190 Tech Question shows ads.

### Which is updated more often, E or Embraer 170/190 Tech Question?

E ships an update weekly, and Embraer 170/190 Tech Question every 11 days. Most recently, E was updated on November 3, 2026 and Embraer 170/190 Tech Question on November 4, 2026.

---

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