Updated July 2026
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
In 2026, the recommendation leans toward Shelly 1 Mini Gen4 over Sonoff MINI Duo 2, driven by safety, connectivity, and integrations. It wins the broader comparison through safety, connectivity, and integrations, while dry contact mode and wet contact mode help confirm the result. Sonoff MINI Duo 2 is the better fit only for buyers who prioritize price and relay channels above everything else here. That is enough to make Shelly 1 Mini Gen4 the better pick for most buyers.
| Feature | Shelly 1 Mini Gen4 | Sonoff MINI Duo 2 | Winner |
|---|---|---|---|
| Price | $24.98 | $17.90 | Sonoff MINI Duo 2 |
| Safety | Overheating protection | None | Shelly 1 Mini Gen4 |
| Connectivity | Bluetooth, Zigbee | Zigbee | Shelly 1 Mini Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Home Assistant | Shelly 1 Mini Gen4 |
| Relay Channels | 1 | 2 | Sonoff MINI Duo 2 |
| Dry Contact Mode | YES | NO | Shelly 1 Mini Gen4 |
| Wet Contact Mode | YES | NO | Shelly 1 Mini Gen4 |
| Zibgee Router | YES | NO | Shelly 1 Mini Gen4 |
| Rating | 4.5 | 4.5 | Tie |
| Energy Monitoring | NO | NO | Tie |
| Power Off Memory | NO | NO | Tie |
Winner
$24.98
- + Safety: Overheating protection
- + Connectivity: Bluetooth, Zigbee
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $24.98 vs $17.90
- - Relay Channels: 1 vs 2
$17.90
- + Price: $17.90
- + Relay Channels: 2
- - Safety: None vs Overheating protection
- - Connectivity: Zigbee vs Bluetooth, Zigbee
Frequently Asked Questions
Which is better overall: Shelly 1 Mini Gen4 or Sonoff MINI Duo 2?
Shelly 1 Mini Gen4 has the stronger overall profile in this comparison, especially for safety, connectivity, and integrations.
What is the biggest difference between Shelly 1 Mini Gen4 and Sonoff MINI Duo 2?
Price is one of the clearest differences: Shelly 1 Mini Gen4 lists $24.98, while Sonoff MINI Duo 2 lists $17.90.
Which one looks better on price?
Shelly 1 Mini Gen4 is listed at $24.98, while Sonoff MINI Duo 2 is listed at $17.90. Sonoff MINI Duo 2 (better spec).
Who should buy Shelly 1 Mini Gen4?
Choose Shelly 1 Mini Gen4 if your priority is safety and connectivity and that matters more than price.
Who should buy Sonoff MINI Duo 2?
Choose Sonoff MINI Duo 2 if your priority is price and relay channels and that matters more than safety.
