# B757 EICAS vs A&P PRO

The clearest difference is price: A&P PRO at Free against B757 EICAS's $1.99. A&P PRO also leads on update cadence (every 3 weeks vs every 67 months) and iOS requirement (16.0 vs 26.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

A&P PRO is free to download; B757 EICAS costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for B757 EICAS against 5.0 for A&P PRO. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

B757 EICAS ships an update every 67 months, A&P PRO every 3 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | B757 EICAS | A&P PRO |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/b757-eicas/id1017333336/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/a-and-p-pro/id1588582143/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 18 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fredrik Karlsson](https://appshunter.io/developer/416827410) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### B757 EICAS

[App page](https://appshunter.io/ios/app/b757-eicas/id1017333336)

Access reference information for Boeing 757 EICAS messages. This app draws from aircraft manuals for guidance, but should not be used for actual flight operations. Always consult approved documentation for operational details.

**Highlights:** Boeing 757 EICAS message reference, Information from aircraft manuals, Not for operational use, Supports iPhone and iPad

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

**In-app purchases:** none


### A&P PRO

[App page](https://appshunter.io/ios/app/a-and-p-pro/id1588582143)

This app provides essential calculations and reference tools for aircraft airframe and powerplant mechanics. It covers sheet metal, weight and balance, basic electricity, aviation science, and unit conversions, drawing data from FAA AC43-13b. Designed for students and professionals in aviation maintenance.

**Highlights:** Sheet Metal calculations, Weight and Balance calculations, Basic Electricity formulas, Aviation Science principles, Unit Conversion calculator, Reference data from FAA AC43-13b

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

**In-app purchases:** none


## Frequently asked questions

### Is B757 EICAS free?

B757 EICAS costs $1.99, with no in-app purchases.

### Is A&P PRO free?

A&P PRO is free to download, with no in-app purchases.

### Which has better reviews, B757 EICAS or A&P PRO?

B757 EICAS and A&P PRO are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do B757 EICAS or A&P PRO have ads?

Neither B757 EICAS nor A&P PRO shows ads.

### Which is updated more often, B757 EICAS or A&P PRO?

B757 EICAS ships an update every 67 months, and A&P PRO every 3 weeks. Most recently, B757 EICAS was updated on October 24, 2026 and A&P PRO on October 18, 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.*