# FlightReady E6B vs EF1 E6B Flight Computer

The clearest difference is price: EF1 E6B Flight Computer at Free against FlightReady E6B's $9.99. EF1 E6B Flight Computer also leads on update cadence (weekly vs every 4 months) and iOS requirement (15.1 vs 18.1). FlightReady E6B's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

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

FlightReady E6B ships an update every 4 months, EF1 E6B Flight Computer weekly. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | FlightReady E6B | EF1 E6B Flight Computer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/flightready-e6b/id999497481/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | **83.3% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#31** | — |
| Size | 5 MB | 48 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aeroapps Technology](https://appshunter.io/developer/923860276) | [EntireFlight LLC](https://appshunter.io/developer/1895485027) |

## What reviewers say

### FlightReady E6B

[App page](https://appshunter.io/ios/app/flightready-e6b/id999497481)

**Currently charting:** #31 Top Paid · Navigation (US App Store)

This aviation utility provides over 100 functions, conversions, and utilities for pilots. It offers accurate calculations for flight planning, performance, navigation, and aerodynamics, surpassing other E6B apps with its comprehensive and precise scientific formulas.

**Highlights:** Over 100 aviation functions, Accurate scientific formulas, Flight planning calculations, Performance metrics, Navigation tools, Extensive unit conversions, Weight & Balance calculations

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient calculations
- 💡 Useful features for pilots
- 👍 Intuitive interface
- 👍 Saves time during flight planning

**What reviewers complain about**

- 🐛 Pressure conversion issues
- 🐛 App crashes
- 🐛 Calculation problems
- 🐛 Lack of seconds in time measurements

**Reported bugs**

- Fuel computation functions crashing
- New extra functions not working

**Requested features**

- Add wind correction angle calculation
- Include seconds in time measurements
- Provide user manual or instructions


### 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 FlightReady E6B free?

FlightReady E6B costs $9.99, 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 FlightReady E6B or EF1 E6B Flight Computer have ads?

EF1 E6B Flight Computer shows ads; FlightReady E6B does not.

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

FlightReady E6B ships an update every 4 months, and EF1 E6B Flight Computer weekly. Most recently, FlightReady E6B was updated on October 15, 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.*