# Compass Pro vs A

The clearest difference is review sentiment: Compass Pro at 50% against A's 0%. Compass Pro also leads on price ($2.99 vs $54.99) and rating (4.6 vs 3.7). A's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 29 months). On ads, chart position and device support there is nothing between them.

Compass Pro costs $2.99 and A $54.99 up front. Compass Pro sells 1 one-off in-app purchase. A asks for nothing beyond the download.

Compass Pro holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews point the same way: 50% of Compass Pro's written reviews are positive against 0% of A's.

Compass Pro ships an update every 29 months, A every 2 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Compass Pro | A |
| --- | --- | --- |
| Price | **$2.99** | $54.99 |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/compass-pro-aircraft/id926086533/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/a-efis-pro/id977144283/reviews) |
| Number of ratings | **11** | 3 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | #109 | **#57** |
| Size | 5 MB | 12 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LionsApp di Nallbati Elton](https://appshunter.io/developer/432915499) | [Charalampos Baltzakis](https://appshunter.io/developer/1313220759) |

## What reviewers say

### Compass Pro

[App page](https://appshunter.io/ios/app/compass-pro-aircraft/id926086533)

**Currently charting:** #109 Top Paid · Navigation (US App Store)

This app detects your geographical position, displaying your location name, coordinates, and altitude. It offers both vertical and horizontal compass orientation with customizable units. An optional pro version unlocks features like saving unlimited locations and a current location map.

**Highlights:** Detects geographical position, Displays location name, latitude, longitude, and altitude, Vertical and horizontal compass orientation, Saves unlimited locations (Pro version), Current location map (Pro version), Intuitive graphics and ease of use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compass Pro | $2.99 | one-time |


### A

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

**Currently charting:** #57 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


## Frequently asked questions

### Is Compass Pro free?

Compass Pro costs $2.99, and also offers in-app purchases.

### Is A free?

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

### Which has better reviews, Compass Pro or A?

Compass Pro is rated higher. Compass Pro averages 4.6 out of 5 from 11 ratings, while A averages 3.7 from 3 ratings.

### Do Compass Pro or A have ads?

Neither Compass Pro nor A shows ads.

### Which is updated more often, Compass Pro or A?

Compass Pro ships an update every 29 months, and A every 2 months. Most recently, Compass Pro was updated on October 8, 2026 and A on October 9, 2026.

### Which is more popular, Compass Pro or A?

Compass Pro currently peaks at #109 in the App Store charts, and A at #57. Chart position reflects recent download velocity rather than total install base.

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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.*