Winner
Updated June 2026
Data from Amazon and official Shelly site.
2026 verdict
Across the 2026 comparison, Shelly 1PM Gen4 earns the nod over Shelly 2PM Gen3 on the strength of connectivity, integrations, and dry contact mode. What pushes it ahead is connectivity, integrations, and dry contact mode, and wet contact mode and zibgee router keeps the advantage from looking narrow. Choose Shelly 2PM Gen3 only if price matters more to you than the broader advantage from Shelly 1PM Gen4. That is why the final call still favors Shelly 1PM Gen4.
| Feature | Shelly 1PM Gen4 | Shelly 2PM Gen3 | Winner |
|---|---|---|---|
| Price | $28.99 | $24.99 | Shelly 2PM Gen3 |
| Connectivity | Bluetooth, Zigbee | Bluetooth | Shelly 1PM Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Home Assistant, Matter | Shelly 1PM Gen4 |
| Dry Contact Mode | YES | NO | Shelly 1PM Gen4 |
| Wet Contact Mode | YES | NO | Shelly 1PM Gen4 |
| Zibgee Router | YES | NO | Shelly 1PM Gen4 |
| Relay Channels | 1 | 2 | Different strengths |
| Rating | 4.6 | 4.6 | Tie |
| Energy Monitoring | YES | YES | Tie |
| Power Off Memory | NO | NO | Tie |
Winner
$28.99
- + Connectivity: Bluetooth, Zigbee
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Dry Contact Mode: YES
- - Price: $28.99 vs $24.99
$24.99
- + Price: $24.99
- - Connectivity: Bluetooth vs Bluetooth, Zigbee
- - Integrations: Google Home, Alexa, Apple HomeKit, Home Assistant, Matter vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions (FAQ)
Which is better overall: Shelly 1PM Gen4 or Shelly 2PM Gen3?
Shelly 1PM Gen4 has the stronger overall profile in this comparison, especially for connectivity, integrations, and dry contact mode.
What is the biggest difference between Shelly 1PM Gen4 and Shelly 2PM Gen3?
Price is one of the clearest differences: Shelly 1PM Gen4 lists $28.99, while Shelly 2PM Gen3 lists $24.99.
Which one looks better on price?
Shelly 1PM Gen4 is listed at $28.99, while Shelly 2PM Gen3 is listed at $24.99. Shelly 2PM Gen3 (better spec).
Who should buy Shelly 1PM Gen4?
Choose Shelly 1PM Gen4 if your priority is connectivity and integrations and that matters more than price.
Who should buy Shelly 2PM Gen3?
Choose Shelly 2PM Gen3 if your priority is price and that matters more than connectivity.
SonoffZBMINIR2 Extreme Zigbee Smart Switch
11% OFF€17.90€15.90
SonoffMINI Dry Wi-Fi Smart Switch
$14.90
ShellyShelly Plus 2PM
26% OFF€31.00€23.00
ShellyShelly 2PM Gen3
$24.99- Shelly
Shelly 1PM Gen4
$28.99 
ShellyShelly Plus 1
$42.00
ShellyShelly Plus 1PM
$27.49
ShellyShelly i4 Gen3
$19.99
ShellyShelly 1 Mini Gen3
$17.99
ShellyShelly 1 Mini Gen4
$24.98
ShellyShelly 1 Gen4
$24.99
ShellyShelly 1 Gen3
$22.99
ShellyShelly 1PM Mini Gen4
$27.99
SonoffMINI Duo 2
18% OFF$21.90$17.90
SonoffMINI Duo-L
$21.90
AqaraDual Relay Module T2
14% OFF$34.99$29.99
SwitchBotRelay Switch 1
$12.99
SonoffZBMINI-L2 Extreme Zigbee Smart Switch
$17.99
SonoffZBMINI ZigBee Smart Switch
$17.99
SwitchBotRelay Switch 1PM
€21.99
DisplaysShellyWall Display
18% OFF€147.56€121.33
Motion SensorsShellyBlu Motion
$25.99
PlugsShellySmart Plug UL
$24.99
PlugsShellySmart Plug (US)
29% OFF$30.87$22.00
Radiator ValvesShellyBLU TRV
$64.99- RelaysShelly
Shelly 1 Gen3
$22.99 - RelaysShelly
Shelly 1 Gen4
$24.99 - RelaysShelly
Shelly 1 Mini Gen4
$24.98 - RelaysShelly
Shelly 1 Mini Gen3
$17.99 - RelaysShelly
Shelly 1PM Gen4
$28.99 - RelaysShelly
Shelly 2PM Gen3
$24.99 - RelaysShelly
Shelly i4 Gen3
$19.99 - RelaysShelly
Shelly Plus 1
$42.00 - RelaysShelly
Shelly Plus 1PM
$27.49 - RelaysShelly
Shelly Plus 2PM
26% OFF€31.00€23.00 - RelaysShelly
Shelly 1PM Mini Gen4
$27.99 
Smoke & CO DetectorsShellySmoke Alarm
25% OFF€53.43€39.95
Temperature & Humidity SensorsShellyH&T Gen3
$40.99
Water Leak SensorsShellyFlood
$24.99