Aeotec Zi-Stick vs Sonoff Dongle Lite MG21

Full Smart Dongles comparison in 2026

Updated March 2026
Data from Amazon and official Aeotec and Sonoff sites.
2026 verdict
In this 2026 comparison, Sonoff Dongle Lite MG21 comes out ahead overall. It separates itself most clearly on price, rating, and zigbee router, while still looking better on thread border router. The only strong reason to choose Aeotec Zi-Stick is if its specific feature mix is more important to you than the overall verdict. That is why the final call still favors Sonoff Dongle Lite MG21.
FeatureAeotec Zi-StickSonoff Dongle Lite MG21Winner
Price$34.49$19.90Sonoff Dongle Lite MG21
Rating4.24.7Sonoff Dongle Lite MG21
Zigbee RouterNOYESSonoff Dongle Lite MG21
Thread Border RouterNOYESSonoff Dongle Lite MG21
Amplifier Gain+20dB+20 dBmDifferent strengths
Warranty1 year1 yearTie
PowerUSBUSBTie
ConnectivityUSBUSBTie
Zigbee Chip ModelEFR32MG21EFR32MG21Tie
Z-Wave ControllerNONOTie
Matter BridgeNONOTie
Dual NetworkNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: Aeotec Zi-Stick or Sonoff Dongle Lite MG21?
Sonoff Dongle Lite MG21 has the stronger overall profile in this comparison, especially for price, rating, and zigbee router.
What is the biggest difference between Aeotec Zi-Stick and Sonoff Dongle Lite MG21?
Price is one of the clearest differences: Aeotec Zi-Stick lists $34.49, while Sonoff Dongle Lite MG21 lists $19.90.
Which one looks better on price?
Aeotec Zi-Stick is listed at $34.49, while Sonoff Dongle Lite MG21 is listed at $19.90. Sonoff Dongle Lite MG21 (better spec).
Who should buy Aeotec Zi-Stick?
Choose Aeotec Zi-Stick if your priority is its specific strengths and that matters more than price.
Who should buy Sonoff Dongle Lite MG21?
Choose Sonoff Dongle Lite MG21 if your priority is price and rating and that matters more than the competing advantages.
Smart Home Planner