# CRJ Training Guide Lite vs E

The clearest difference is in-app purchases: CRJ Training Guide Lite at none against E's 1. E's advantage is update cadence (weekly vs every 75 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. E sells 1 one-off in-app purchase. CRJ Training Guide Lite asks for nothing beyond the download.

CRJ Training Guide Lite ships an update every 75 months, E weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | CRJ Training Guide Lite | E |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 75 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 717 MB | 109 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Legarreta](https://appshunter.io/developer/1506804238) | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) |

## What reviewers say

### CRJ Training Guide Lite

[App page](https://appshunter.io/ios/app/crj-training-guide-lite/id1511450276)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CRJ Training Guide Lite free?

CRJ Training Guide Lite is free to download, with no in-app purchases.

### Is E free?

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

### Do CRJ Training Guide Lite or E have ads?

Neither CRJ Training Guide Lite nor E shows ads.

### Which is updated more often, CRJ Training Guide Lite or E?

CRJ Training Guide Lite ships an update every 75 months, and E weekly. Most recently, CRJ Training Guide Lite was updated on November 3, 2026 and E 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.*