# Pilot's Altimeter vs E6B Flight Computer

The clearest difference is price: E6B Flight Computer at Free against Pilot's Altimeter's $2.99. Pilot's Altimeter's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

E6B Flight Computer is free to download; Pilot's Altimeter costs $2.99 up front. E6B Flight Computer sells 1 one-off in-app purchase. Pilot's Altimeter asks for nothing beyond the download.

Pilot's Altimeter ships an update fortnightly, E6B Flight Computer every 9 days. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pilot's Altimeter | E6B Flight Computer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Paid | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Two Morrows Technology LLC](https://appshunter.io/developer/1726533760) | [Zigmas Vadapalas](https://appshunter.io/developer/1763779894) |

## What reviewers say

### Pilot's Altimeter

[App page](https://appshunter.io/ios/app/pilots-altimeter/id6476430324)

This app provides a realistic barometric altimeter experience for aviators on Apple Watch. It utilizes the device's barometer and a classic dial display to show altitude changes. Users can set local pressure for accurate readings, with warnings for stale data.

**Highlights:** Authentic dial display, Utilizes Apple Watch barometer, Kollsman window for pressure setting, Altitude display updates in real-time, Stale data warning system, Training tool for pilots

**In-app purchases:** none


### E6B Flight Computer

[App page](https://appshunter.io/ios/app/e6b-flight-computer-foxtro/id6812640210)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Pilot's Altimeter free?

Pilot's Altimeter costs $2.99, with no in-app purchases.

### Is E6B Flight Computer free?

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

### Do Pilot's Altimeter or E6B Flight Computer have ads?

Neither Pilot's Altimeter nor E6B Flight Computer shows ads.

### Which is updated more often, Pilot's Altimeter or E6B Flight Computer?

Pilot's Altimeter ships an update fortnightly, and E6B Flight Computer every 9 days. Most recently, Pilot's Altimeter was updated on October 6, 2026 and E6B Flight Computer on October 14, 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.*