# Aviation SixPack vs EF1 E6B Flight Computer

The clearest difference is price: EF1 E6B Flight Computer at Free against Aviation SixPack's $0.99. Aviation SixPack's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

EF1 E6B Flight Computer is free to download; Aviation SixPack costs $0.99 up front. EF1 E6B Flight Computer sells 2 in-app purchases, starting at $3.99 per month. Aviation SixPack asks for nothing beyond the download.

Aviation SixPack ships an update every 4 days, EF1 E6B Flight Computer weekly. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Aviation SixPack | EF1 E6B Flight Computer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Best chart rank | **#160** | — |
| Size | 38 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bennette](https://appshunter.io/developer/1872193928) | [EntireFlight LLC](https://appshunter.io/developer/1895485027) |

## What reviewers say

### Aviation SixPack

[App page](https://appshunter.io/ios/app/aviation-sixpack/id6761493072)

**Currently charting:** #160 Top Paid · Navigation (US App Store)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Aviation SixPack free?

Aviation SixPack costs $0.99, with no in-app purchases.

### Is EF1 E6B Flight Computer free?

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

### Do Aviation SixPack or EF1 E6B Flight Computer have ads?

EF1 E6B Flight Computer shows ads; Aviation SixPack does not.

### Which is updated more often, Aviation SixPack or EF1 E6B Flight Computer?

Aviation SixPack ships an update every 4 days, and EF1 E6B Flight Computer weekly. Most recently, Aviation SixPack was updated on September 19, 2026 and EF1 E6B Flight Computer on October 2, 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.*