# EF1 E6B Flight Computer vs Airfield Advisor Pro

The clearest difference is price: EF1 E6B Flight Computer at Free against Airfield Advisor Pro's $9.99. EF1 E6B Flight Computer also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). Airfield Advisor Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown).

EF1 E6B Flight Computer is free to download; Airfield Advisor Pro costs $9.99 up front. EF1 E6B Flight Computer sells 2 in-app purchases, starting at $3.99 per month. Airfield Advisor Pro asks for nothing beyond the download.

## The numbers

| Metric | EF1 E6B Flight Computer | Airfield Advisor Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EntireFlight LLC](https://appshunter.io/developer/1895485027) | [Jeffery Miller](https://appshunter.io/developer/6802126727) |

## What reviewers say

### EF1 E6B Flight Computer

[App page](https://appshunter.io/ios/app/ef1-e6b-flight-computer/id6763776403)

This app provides a comprehensive electronic flight computer for pilots, offering fast, offline calculations for wind, airspeed, fuel, and navigation. It includes multi-leg route planning, printable navigation logs, and weight and balance calculations.

**Highlights:** Wind triangle calculations, Time, speed, distance calculations, Fuel burn, endurance, and range, Multi-leg cross-country planning, Printable VFR/IFR navigation logs, Weight and balance calculations, Fully offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $19.99 | per year |


### Airfield Advisor Pro

[App page](https://appshunter.io/ios/app/airfield-advisor-pro/id6802126725)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EF1 E6B Flight Computer free?

EF1 E6B Flight Computer is free to download, with in-app purchases available.

### Is Airfield Advisor Pro free?

Airfield Advisor Pro costs $9.99, with no in-app purchases.

### Do EF1 E6B Flight Computer or Airfield Advisor Pro have ads?

EF1 E6B Flight Computer shows ads; Airfield Advisor Pro does not.

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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.*