# Flight Computer E6B & Toolbox vs Crabwise

The clearest difference is update cadence: Crabwise at daily against Flight Computer E6B & Toolbox's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flight Computer E6B & Toolbox sells 1 one-off in-app purchase and Crabwise sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flight Computer E6B & Toolbox ships an update every 3 weeks, Crabwise daily. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Flight Computer E6B & Toolbox | Crabwise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 27 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AYLIN BICEN](https://appshunter.io/developer/1839275591) | [Pouya Marvasti](https://appshunter.io/developer/6797565160) |

## What reviewers say

### 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 |


### Crabwise

[App page](https://appshunter.io/ios/app/crabwise-e6b-flight-computer/id6813311167)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crabwise Pro | $9.99 | one-time |


## Frequently asked questions

### Is Flight Computer E6B & Toolbox free?

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

### Is Crabwise free?

Crabwise is free to download, with in-app purchases available.

### Do Flight Computer E6B & Toolbox or Crabwise have ads?

Neither Flight Computer E6B & Toolbox nor Crabwise shows ads.

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

Flight Computer E6B & Toolbox ships an update every 3 weeks, and Crabwise daily. Most recently, Flight Computer E6B & Toolbox was updated on October 12, 2026 and Crabwise on October 17, 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.*