# QFE Converter vs Flight Computer E6B & Toolbox

The clearest difference is in-app purchases: QFE Converter at none against Flight Computer E6B & Toolbox's 1. QFE Converter also leads on iOS requirement (14.0 vs 16.0). Flight Computer E6B & Toolbox's advantage is update cadence (every 3 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Flight Computer E6B & Toolbox sells 1 one-off in-app purchase. QFE Converter asks for nothing beyond the download.

QFE Converter ships an update every 9 months, Flight Computer E6B & Toolbox every 3 weeks. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QFE Converter | Flight Computer E6B & Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 2 MB | 27 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Kurinnoi](https://appshunter.io/developer/1757414776) | [AYLIN BICEN](https://appshunter.io/developer/1839275591) |

## What reviewers say

### QFE Converter

[App page](https://appshunter.io/ios/app/qfe-converter/id6544801014)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flight Computer E6B & Toolbox

[App page](https://appshunter.io/ios/app/flight-computer-e6b-and-toolbox/id6753596143)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flight Computer Pro Mode | $9.99 | one-time |


## Frequently asked questions

### Is QFE Converter free?

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

### Is Flight Computer E6B & Toolbox free?

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

### Do QFE Converter or Flight Computer E6B & Toolbox have ads?

Neither QFE Converter nor Flight Computer E6B & Toolbox shows ads.

### Which is updated more often, QFE Converter or Flight Computer E6B & Toolbox?

QFE Converter ships an update every 9 months, and Flight Computer E6B & Toolbox every 3 weeks. Most recently, QFE Converter was updated on October 12, 2026 and Flight Computer E6B & Toolbox on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*