# A vs iEFIS Light

The clearest difference is price: iEFIS Light at Free against A's $54.99. iEFIS Light also leads on update cadence (every 3 weeks vs every 2 months). A's advantage is rating (3.7 vs 1.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

iEFIS Light is free to download; A costs $54.99 up front. iEFIS Light sells 1 one-off in-app purchase. A asks for nothing beyond the download.

A holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

A ships an update every 2 months, iEFIS Light every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | A | iEFIS Light |
| --- | --- | --- |
| Price | $54.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/a-efis-pro/id977144283/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/iefis-light/id1214266684/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#176** | — |
| Size | 12 MB | 12 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charalampos Baltzakis](https://appshunter.io/developer/1313220759) | [airWORK aviation media UG](https://appshunter.io/developer/1055282750) |

## What reviewers say

### A

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

**Currently charting:** #176 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


### iEFIS Light

[App page](https://appshunter.io/ios/app/iefis-light/id1214266684)

This app transforms your iPhone or iPad into a portable Primary Flight Display (PFD) by connecting to an iLEVIL SW AHRS system. It offers essential flight data like groundspeed, altitude, and heading, with customizable views and calibration options.

**Highlights:** Portable EFIS PFD, Connects to iLEVIL AHRS, Groundspeed display, GPS altitude, Customizable course rose, Attitude indicator calibration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $2.99 | one-time |


## Frequently asked questions

### Is A free?

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

### Is iEFIS Light free?

iEFIS Light is free to download, with in-app purchases available.

### Which has better reviews, A or iEFIS Light?

A is rated higher. A averages 3.7 out of 5 from 3 ratings, while iEFIS Light averages 1.0 from 1 ratings.

### Do A or iEFIS Light have ads?

Neither A nor iEFIS Light shows ads.

### Which is updated more often, A or iEFIS Light?

A ships an update every 2 months, and iEFIS Light every 3 weeks. Most recently, A was updated on October 24, 2026 and iEFIS Light 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.*