# Pro Altimeter vs E6B Flight Computer

The clearest difference is price: E6B Flight Computer at Free against Pro Altimeter's $0.99. E6B Flight Computer also leads on update cadence (every 9 days vs every 12 months). Pro Altimeter's advantage is in-app purchases (none vs 1) and chart position (#91 vs unranked). On ads and device support there is nothing between them.

E6B Flight Computer is free to download; Pro Altimeter costs $0.99 up front. E6B Flight Computer sells 1 one-off in-app purchase. Pro Altimeter asks for nothing beyond the download.

Pro Altimeter ships an update every 12 months, E6B Flight Computer every 9 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pro Altimeter | E6B Flight Computer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (39 ratings)](https://appshunter.io/ios/app/pro-altimeter-barometric-plus-gps/id926603602/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 days** |
| Monetization | Free | — |
| Best chart rank | **#91** | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Craig Hunter](https://appshunter.io/developer/286743884) | [Zigmas Vadapalas](https://appshunter.io/developer/1763779894) |

## What reviewers say

### Pro Altimeter

[App page](https://appshunter.io/ios/app/pro-altimeter-barometric-plus-gps/id926603602)

**Currently charting:** #91 Top Paid · Navigation (US App Store)

This app measures and computes altitude using your device's barometric pressure sensor and GPS. It offers multiple calibration methods, including GPS, manual input, and airport METAR data, for accurate readings. The interface is simple with large, easy-to-read numbers and offers distinct day and night display modes.

**Highlights:** Barometric and GPS altitude measurement, Multiple calibration methods (GPS, manual, METAR), Real-time accuracy estimates, Large, easy-to-read display, Day and night display modes, Calibration reminders

**Features:** Vision Pro support

**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 Pro Altimeter free?

Pro Altimeter costs $0.99, with no in-app purchases.

### Is E6B Flight Computer free?

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

### Do Pro Altimeter or E6B Flight Computer have ads?

Neither Pro Altimeter nor E6B Flight Computer shows ads.

### Which is updated more often, Pro Altimeter or E6B Flight Computer?

Pro Altimeter ships an update every 12 months, and E6B Flight Computer every 9 days. Most recently, Pro Altimeter was updated on October 13, 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.*