# Prepware CFI vs Aerosim ETHOS CRJ700

The clearest difference is price: Aerosim ETHOS CRJ700 at Free against Prepware CFI's $9.99. Aerosim ETHOS CRJ700 also leads on rating (3.5 vs 2.4) and update cadence (every 2 weeks vs every 4 months). Prepware CFI's advantage is review sentiment (31% vs 0%) and ratings volume (38 vs 2). On ads, in-app purchases and monetization model there is nothing between them.

Aerosim ETHOS CRJ700 is free to download; Prepware CFI costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aerosim ETHOS CRJ700 holds the better App Store score, 3.5 against 2.4. That said, the two scores are not equally well evidenced: Prepware CFI has 38 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 31% of Prepware CFI's written reviews are positive against 0% of Aerosim ETHOS CRJ700's, so the app with the better star average is not the one people write more warmly about.

Prepware CFI ships an update every 4 months, Aerosim ETHOS CRJ700 every 2 weeks. The most recent releases landed on October 30, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Prepware CFI | Aerosim ETHOS CRJ700 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [2.4 (38 ratings)](https://appshunter.io/ios/app/prepware-cfi/id338889937/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/aerosim-ethos-crj700/id946930994/reviews)** |
| Number of ratings | **38** | 2 |
| Positive reviews | **31.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 51 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [Aerosim](https://appshunter.io/developer/491766443) |

## What reviewers say

### Prepware CFI

[App page](https://appshunter.io/ios/app/prepware-cfi/id338889937)

Prepare for the FAA Knowledge Exam with this comprehensive study and test tool. It offers flashcard-style review of questions, answers, and explanations, allowing you to study by subject or take realistic practice tests.

**Highlights:** Flashcard-style review, Questions, answers, and explanations, Study by subject, Practice tests, Comprehensive preparation tool

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

**In-app purchases:** none


### Aerosim ETHOS CRJ700

[App page](https://appshunter.io/ios/app/aerosim-ethos-crj700/id946930994)

An advanced training platform designed for pilots, focusing on systems knowledge, flight management systems, and procedural training. It offers interactive distance learning through a learning management system to enhance knowledge retention and performance.

**Highlights:** Systems knowledge training, FMS training, Procedure training, Interactive distance learning, Learning Management System (LMS) integration, Enhanced knowledge retention

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prepware CFI free?

Prepware CFI costs $9.99, with no in-app purchases.

### Is Aerosim ETHOS CRJ700 free?

Aerosim ETHOS CRJ700 is free to download, with no in-app purchases.

### Which has better reviews, Prepware CFI or Aerosim ETHOS CRJ700?

Aerosim ETHOS CRJ700 is rated higher. Prepware CFI averages 2.4 out of 5 from 38 ratings, while Aerosim ETHOS CRJ700 averages 3.5 from 2 ratings.

### Do Prepware CFI or Aerosim ETHOS CRJ700 have ads?

Neither Prepware CFI nor Aerosim ETHOS CRJ700 shows ads.

### Which is updated more often, Prepware CFI or Aerosim ETHOS CRJ700?

Prepware CFI ships an update every 4 months, and Aerosim ETHOS CRJ700 every 2 weeks. Most recently, Prepware CFI was updated on October 30, 2026 and Aerosim ETHOS CRJ700 on October 19, 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.*