Besides the lower price, the main differences between the Stratus 2S and 3 are the smaller size of the Stratus 3 and new support for other aviation apps besides ForeFlight, by incorporating the industry-standard GDL 90 protocol. ... Appareo, which manufactures the Stratus devices, added smart Wi-Fi to the Stratus 3.Aug 27, 2018
What is Stratus device?
Stratus 3 is the simple-to-use, portable wireless receiver that provides subscription-free weather, GPS information, backup attitude, and ADS-B traffic – integrated with your favorite flight app. Stratus 3 is also designed with an Open ADS-B Mode to work with a variety of popular apps – both iOS and Android based.
What does the Stratus do?
Stratus is a portable, battery-operated receiver that works in conjunction with the ForeFlight Mobile app. It provides pilots with free in-flight weather and traffic and is a source of accurate GPS WAAS position.