Below is a comparison chart that delineates the features for the Scout, Sentry, Sentry Mini, and the Stratus 3.

FEATURE	SCOUT	SENTRY	Sentry Mini	STRATUS 3
Price	$199	$499	$299	$699
Subscription Free ADS-B Weather	✓	✓	✓	✓
ADS-B Traffic - 978 MHz (UAT)	✓	✓	✓	✓
ADS-B Traffic - 1090 MHz (ES)	✓	✓	✓	✓
Built-in WAAS GPS	X	✓	✓	✓
Backup Attitude (built-in AHRS)	X	✓	X	✓
Flight Data Recorder	X	Coming in a future app update	X	✓
Pressure Altitude sensor	X	✓	X	✓
Carbon Monoxide (CO) Monitor	X	✓	X	X
USB Type C Connector	X Micro-USB	✓	✓	✓
All-day battery life	Uses an external battery	12+ hours	Uses an external battery	8+ hours
Optional remote ADS-B antenna	X	X	X	✓
Optional remote GPS antenna	X	X	X	✓
Wi-Fi Connection	✓	✓	✓	✓