# E6B Flight Computer CFI Pilot vs Aviation Calculator

The clearest difference is update cadence: E6B Flight Computer CFI Pilot at every 4 days against Aviation Calculator's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E6B Flight Computer CFI Pilot sells 2 in-app purchases, starting at $2.99 per 7 days and Aviation Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

E6B Flight Computer CFI Pilot ships an update every 4 days, Aviation Calculator every 10 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | E6B Flight Computer CFI Pilot | Aviation Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Size | 12 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Mohammed Alsaleh](https://appshunter.io/developer/1581466887) | [David Jones](https://appshunter.io/developer/6808813668) |

## What reviewers say

### E6B Flight Computer CFI Pilot

[App page](https://appshunter.io/ios/app/e6b-flight-computer-cfi-pilot/id6761579971)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $17.99 | one-time |


### Aviation Calculator

[App page](https://appshunter.io/ios/app/aviation-calculator/id6809196288)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day Trial | Free | one-time |
| Full Unlock | $9.99 | one-time |


## Frequently asked questions

### Is E6B Flight Computer CFI Pilot free?

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

### Is Aviation Calculator free?

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

### Do E6B Flight Computer CFI Pilot or Aviation Calculator have ads?

Neither E6B Flight Computer CFI Pilot nor Aviation Calculator shows ads.

### Which is updated more often, E6B Flight Computer CFI Pilot or Aviation Calculator?

E6B Flight Computer CFI Pilot ships an update every 4 days, and Aviation Calculator every 10 days. Most recently, E6B Flight Computer CFI Pilot was updated on November 9, 2026 and Aviation Calculator on November 13, 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.*