# E6B Flight Computer + W&B vs Crabwise

The clearest difference is update cadence: Crabwise at daily against E6B Flight Computer + W&B's every 3 days. E6B Flight Computer + W&B's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E6B Flight Computer + W&B 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.

E6B Flight Computer + W&B ships an update every 3 days, Crabwise daily. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | E6B Flight Computer + W&B | Crabwise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 43 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gun woo Kim](https://appshunter.io/developer/1700263119) | [Pouya Marvasti](https://appshunter.io/developer/6797565160) |

## What reviewers say

### E6B Flight Computer + W&B

[App page](https://appshunter.io/ios/app/e6b-flight-computer-plus-w-and-b/id6793094883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E6B Pro | $7.99 | 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 E6B Flight Computer + W&B free?

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

### Is Crabwise free?

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

### Do E6B Flight Computer + W&B or Crabwise have ads?

Neither E6B Flight Computer + W&B nor Crabwise shows ads.

### Which is updated more often, E6B Flight Computer + W&B or Crabwise?

E6B Flight Computer + W&B ships an update every 3 days, and Crabwise daily. Most recently, E6B Flight Computer + W&B was updated on October 7, 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.*