# Onboard Performance Tool vs E

The clearest difference is rating: Onboard Performance Tool at 3.5 against E's 1.0. Onboard Performance Tool also leads on ratings volume (17 vs 4). E's advantage is update cadence (monthly vs every 6 months) and iOS requirement (9.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Onboard Performance Tool holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 17 and 4 respectively.

Onboard Performance Tool ships an update every 6 months, E monthly. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Onboard Performance Tool | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (17 ratings)](https://appshunter.io/ios/app/onboard-performance-tool/id584211407/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/e-psaa-a321/id1318677433/reviews) |
| Number of ratings | **17** | 4 |
| Positive reviews | 13.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 42 MB | 424 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Boeing Company](https://appshunter.io/developer/493615170) | [Mohammed S AlHarbi](https://appshunter.io/developer/1585946950) |

## What reviewers say

### Onboard Performance Tool

[App page](https://appshunter.io/ios/app/onboard-performance-tool/id584211407)

This application enables flight crews and ground personnel to perform real-time performance calculations for flights. It provides fast and precise data for takeoff, landing, and weight and balance, accounting for various environmental and operational factors.

**Highlights:** Real-time performance calculations, Takeoff analysis, Landing analysis, Weight and balance information, Accounts for weather and runway conditions, Corrects for pressure variation and MEL items

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-psaa-a321/id1318677433)

This learning management system app allows subscribers to access interactive online training courses and assessments with real-time simulation effects. It supports both online and offline modes and integrates with PC-based systems for data exchange.

**Highlights:** Interactive online courses, Real-time simulation effects, Offline course access, Online and offline assessments, PC LMS integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Onboard Performance Tool free?

Onboard Performance Tool is free to download, with no in-app purchases.

### Is E free?

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

### Which has better reviews, Onboard Performance Tool or E?

Onboard Performance Tool is rated higher. Onboard Performance Tool averages 3.5 out of 5 from 17 ratings, while E averages 1.0 from 4 ratings.

### Do Onboard Performance Tool or E have ads?

Neither Onboard Performance Tool nor E shows ads.

### Which is updated more often, Onboard Performance Tool or E?

Onboard Performance Tool ships an update every 6 months, and E monthly. Most recently, Onboard Performance Tool was updated on October 1, 2026 and E on September 24, 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.*