| FEATURE | STRATUS 1 | STRATUS 2 | STRATUS 1S | STRATUS 2S | Stratus ESG | Stratus ESGi | STRATUS 2i | STRATUS 3 | STRATUS 3i |
| Subscription Free ADS-B Weather | ✓ | ✓ | ✓ | ✓ | Requires a portable Stratus | ✓ | ✓ | ✓ | ✓ |
| Built-in WAAS GPS | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | Via Stratus ESGi | ✓ | Via Stratus ESGi |
| ADS-B Traffic - 978 MHz (UAT) | ✓ | ✓ | ✓ | ✓ | Requires a portable Stratus | ✓ | Via Stratus ESGi | ✓ | Via Stratus ESGi |
| ADS-B Traffic - 1090 MHz (ES) | X | ✓ | X | ✓ | Requires a Stratus 2 or 2S | ✓ | Via Stratus ESGi | ✓ | Via Stratus ESGi |
| Backup Attitude (built-in AHRS) | X | ✓ | X | ✓ | Requires a Stratus 2 or 2S | ✓ | ✓ | ✓ | ✓ |
| Flight Data Recorder | X | ✓ | X | ✓ | Requires a Stratus 2 or 2S | X | ✓ | ✓ | ✓ |
| Stratus Replay: Allow your iPad screen to sleep yet never miss a weather report | X | ✓ | ✓ | ✓ | Requires a Stratus 2, 1S,or 2S | X | ✓ | ✓ | ✓ |
| Pressure Altitude sensor | X | X | X | ✓ | Requires a Stratus 2S | X | ✓ | ✓ | ✓ |
| Connect to ESG via factory accessory plug | X | ✓ | ✓ | ✓ | N/A | N/A | ✓ | ✓ | ✓ |
| USB Type C Connector | X | X | ✓ | ✓ | N/A | N/A | ✓ | ✓ | ✓ |
| GDL90 Support | X | X | X | X | X | X | X | ✓ | ✓ |
| Smart WiFi (Allows the use of LTE data) | X | X | X | X | X | X | X | ✓ | ✓ |
| Auto Shutoff | X | X | X | X | X | X | X | ✓ | X |
| All-day battery life | Over 8 hours | Over 8 hours | Over 8 hours | Over 8 hours | N/A | N/A | Powered by ESGi | Over 8 hours | Powered by ESGi |
| Optional remote ADS-B antenna | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | Connects to ESGi | ✓ | Connects to ESGi |
| Optional remote GPS antenna | X | ✓ | X | ✓ | ✓ | ✓ | Connects to ESGi | ✓ | Connects to ESGi |
| Enhanced ADS-B reception | X | X | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
|
Wi-Fi security settings: |
X | X | ✓ | ✓ | Requires a Stratus 1S or 2S | Requires a Stratus 1S or 2S | ✓ | ✓ | ✓ |
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