# E vs ROIs Crew

The clearest difference is review sentiment: E at 67% against ROIs Crew's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 4 months, ROIs Crew every 2 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | E | ROIs Crew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/e-jets-training-guide-lite/id1071733240/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 536 MB | 49 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gonzalez Galvan](https://appshunter.io/developer/915982572) | [HangZhou Pi-Solution Information Technology Co.,Ltd](https://appshunter.io/developer/1492626729) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-jets-training-guide-lite/id1071733240)

This pilot training tool offers a comprehensive knowledge base for E-JET aircraft systems and procedures, based on official manuals. It features interactive diagrams, extensive question banks, and a fast search engine to help pilots stay current and improve their skills.

**Highlights:** Interactive electrical diagram, Extensive question banks with explanations, Fast search engine for definitions and abbreviations, Virtual interactive panel with system pages, Unit fast converter, Dark mode enabled

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

**In-app purchases:** none


### ROIs Crew

[App page](https://appshunter.io/ios/app/rois-crew/id6738641790)

Manage your flight schedule, track performance metrics, and update qualifications. Receive alerts for travel documents and log post-flight reports. Stay informed about roster and flight changes with real-time notifications.

**Highlights:** View personal rosters and flight details, Track duty hours and block times, Receive travel document expiry alerts, Log post-flight reports, Real-time notifications on roster/flight changes, Update crew qualifications & contacts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is ROIs Crew free?

ROIs Crew is free to download, with no in-app purchases.

### Do E or ROIs Crew have ads?

Neither E nor ROIs Crew shows ads.

### Which is updated more often, E or ROIs Crew?

E ships an update every 4 months, and ROIs Crew every 2 months. Most recently, E was updated on October 12, 2026 and ROIs Crew on October 14, 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.*