# E vs ROIs Crew

The clearest difference is review sentiment: E at 90% against ROIs Crew's 0%. ROIs Crew's advantage is price (Free vs $24.95). On update cadence, ads, in-app purchases and device support there is nothing between them.

ROIs Crew is free to download; E costs $24.95 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | E | ROIs Crew |
| --- | --- | --- |
| Price | $24.95 | **Free** |
| Rating | **[4.7 (57 ratings)](https://appshunter.io/ios/app/e-jets-training-guide/id1040042339/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | **90.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 549 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/id1040042339)

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

**Highlights:** Interactive Electrical Diagram (iPad), Extensive Question Banks (1768+ questions), Fast Search Engine (Definitions, Abbreviations, EICAS), Virtual Interactive Panel, Unit Fast Converter, Dark Mode

**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 costs $24.95, 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 2 months, and ROIs Crew every 2 months. Most recently, E was updated on October 16, 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.*