# A vs Aviation Altimeter Pro

The clearest difference is price: Aviation Altimeter Pro at $2.99 against A's $54.99. Aviation Altimeter Pro also leads on rating (5.0 vs 3.7) and update cadence (every 3 weeks vs every 2 months). A's advantage is chart position (#152 vs unranked) and ratings volume (3 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

A costs $54.99 and Aviation Altimeter Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aviation Altimeter Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

A ships an update every 2 months, Aviation Altimeter Pro every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | A | Aviation Altimeter Pro |
| --- | --- | --- |
| Price | $54.99 | **$2.99** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/a-efis-pro/id977144283/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aviation-altimeter-pro/id6749870319/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#152** | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Charalampos Baltzakis](https://appshunter.io/developer/1313220759) | [Emanuel David Weber](https://appshunter.io/developer/1825191792) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-efis-pro/id977144283)

**Currently charting:** #152 Top Paid · Navigation (US App Store)

This electronic flight information system runs on your iPhone or iPad, providing pilots with essential flight data like artificial horizon, GPS-based speed, altitude, and more. It's designed for use in airplanes only and is not a certified aviation instrument.

**Highlights:** Artificial Horizon (AHRS), GPS Ground Speed, GPS Altimeter, GPS Vertical Speed, Turn Coordinator, Slip Ball, Compass

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

**In-app purchases:** none


### Aviation Altimeter Pro

[App page](https://appshunter.io/ios/app/aviation-altimeter-pro/id6749870319)

This app simulates a professional barometric altimeter and vertical speed indicator for pilots. It uses your device's barometer for accurate readings and offers features like authentic cockpit dials, manual/auto-calibration, and night flight mode. It's designed for informational purposes and entertainment, not for actual flight.

**Highlights:** Authentic cockpit dials, Manual & auto-calibration, ISA & Non-ISA models, Comprehensive unit settings, Night flight mode, Landscape mode, Full Apple Watch app

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is A free?

A costs $54.99, with no in-app purchases.

### Is Aviation Altimeter Pro free?

Aviation Altimeter Pro costs $2.99, with no in-app purchases.

### Which has better reviews, A or Aviation Altimeter Pro?

Aviation Altimeter Pro is rated higher. A averages 3.7 out of 5 from 3 ratings, while Aviation Altimeter Pro averages 5.0 from 1 ratings.

### Do A or Aviation Altimeter Pro have ads?

Neither A nor Aviation Altimeter Pro shows ads.

### Which is updated more often, A or Aviation Altimeter Pro?

A ships an update every 2 months, and Aviation Altimeter Pro every 3 weeks. Most recently, A was updated on November 6, 2026 and Aviation Altimeter Pro on November 5, 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.*