Features & Capabilities

A-EFIS works perfectly with the internal sensors of your iPhone/iPad

The only difference of this, free, version with the paid version is that this version is in black and white.

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 has been extensively tested on ultralights, LSA, general aviation and even airliners. Hint: To use A-EFIS in an airliner, just sit close to a window (in order for the device to be able to receive the GPS signal), put the device in a stable position and press "AHRS calibration" when the aircraft is in leveled flight. You will practically have the same flight data as the pilots in the cockpit!

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.

User Growth & Download Statistics

App
By:
Charalampos Baltzakis
Rating:
4.90
(18)
Version:
3.66 Last updated: 2024-11-18
Version code:
870271137
Creation date:
2015-05-26
Compatible devices:
Size:
12.03MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-05
Compare stats and ranking:

Ranking

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Charalampos Baltzakis
Apple Apps Store
https://apps.apple.com/us/app/a-efis-black-and-white/id993607762
Website:
http://a-efis.com

User Reviews

In a ATP/CFI and enjoy vintage aircraft as well as teaching, this tool makes it easy to help show bank and pitch in aircraft that don’t have gyros, very well done. My only suggestion is how the altitude and VSI is shown could be made to look like an industry normal tape. But for free, it’s a must have and I feel bad even making a suggestion :)
by 74*****, 2025-07-23

I am extremely impressed with this application! Only using the free version for now but will be upgrading to the paid subscription the closer I get to finishing building my airplane. I am very thankful to have access to such a precisely formatted AHRS system as an augmentation to my primary flight instruments. Highly recommended! Many thanks to the developer!
by Ye*****, 2021-02-22

Simply the best out there simple and intuitive. Doesn’t try to do too much and does what it does very well.
by De*****, 2020-10-23
View all user reviews ›

Best A-EFIS Black and White Alternatives

Here are some Apple apps that are similar to A-EFIS Black and White: