A vs iEFIS Light
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A
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.
- Artificial Horizon (AHRS)
- GPS Ground Speed
- GPS Altimeter
- GPS Vertical Speed
- Turn Coordinator
- Slip Ball
- Compass
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A-EFIS is an Electronic Flight Information System for airplanes, which runs right on your iPhone/iPad. A-EFIS works perfectly with the internal sensors of your iPhone/iPad A-EFIS makes use of digital filtering methods and state-of-the-art stochastic models in order to achieve exceptional accuracy and robustness. ATTENTION: A-EFIS ONLY WORKS ON AIRPLANES. NOT TO BE USED IN HELICOPTERS OR LAND VEHICLES BECAUSE INDICATIONS WILL NOT BE CORRECT. USE ONLY IN AN AIRPLANE! Features: - Artificial Horizon (AHRS) - Ground speed (via GPS) - Altimeter (via GPS) - Vertical speed (via GPS) - Turn coordinator - Slip ball - Compass - True course indicator (via GPS) - Deviation from true track indication A-EFIS can also be used with the X-Plane flight simulator. A-EFIS has been extensively tested on ultralights, LSA, general aviation and even airliners. IMPORTANT NOTICE: A-EFIS is not a certified aviation instrument. Do not rely on A-EFIS as your only navigation aid. Failure to comply to this warning may result in property damage, serious injury or death. You assume total responsibility and risk associated with using this application.
iEFIS Light
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.
- Portable EFIS PFD
- Connects to iLEVIL AHRS
- Groundspeed display
- GPS altitude
- Customizable course rose
- Attitude indicator calibration
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iEFIS LIGHT A portable EFIS solution for iPhone and iPad and the iLEVIL SW AHRS. Connect your iPhone or iPad by Wifi with the iLEVIL AHRS system and get a usable PFD on your iPhone or iPad. Features: Groundspeed in knots, km/h or mph GPS altitude displayed in feet or meters (switchable by one touch of display) Course rose can be pinched, full 360 degree display or 80 degree arc view Course rose displays True/Magnetic Heading and True/Magnetic Track (switchable by touching course window) Attitude Indicator can be calibrated by touching „V bar“. For simulation purposes the iPhone’s/iPad’s internal sensors and GPS can be used. For further information visit www.airwork.biz
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | A | iEFIS Light |
|---|---|---|
| Price | $54.99 | Free — better |
| Rating | 3.7 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Best chart rank | #176 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 12 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Charalampos Baltzakis | airWORK aviation media UG |
Customer experience
A
iEFIS Light
In-app purchases
A
No in-app purchases
iEFIS Light
- Upgrade to Pro$2.99
