Winner
Updated June 2026
Data from Amazon and official Shelly site.
2026 verdict
Shelly 1PM Gen4 edges out Shelly 2PM Gen4 in 2026, led by price, dry contact mode, and wet contact mode. It wins the broader comparison through price, dry contact mode, and wet contact mode, while its broader overall balance helps confirm the result. Shelly 2PM Gen4 remains a niche alternative if safety matters more than the rest of the comparison. That is why Shelly 1PM Gen4 wins the verdict here.
| Feature | Shelly 1PM Gen4 | Shelly 2PM Gen4 | Winner |
|---|---|---|---|
| Price | $28.99 | $38.99 | Shelly 1PM Gen4 |
| Safety | None | Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection | Shelly 2PM Gen4 |
| Dry Contact Mode | YES | NO | Shelly 1PM Gen4 |
| Wet Contact Mode | YES | NO | Shelly 1PM Gen4 |
| Relay Channels | 1 | 2 | Different strengths |
| Rating | 4.6 | 4.6 | Tie |
| Connectivity | Bluetooth, Zigbee | Bluetooth, Zigbee | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Energy Monitoring | YES | YES | Tie |
| Power Off Memory | NO | NO | Tie |
| Zibgee Router | YES | YES | Tie |
Winner
$28.99
- + Price: $28.99
- + Dry Contact Mode: YES
- + Wet Contact Mode: YES
- - Safety: None vs Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
$38.99
- + Safety: Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
- - Price: $38.99 vs $28.99
- - Dry Contact Mode: NO vs YES
Frequently Asked Questions (FAQ)
Which is better overall: Shelly 1PM Gen4 or Shelly 2PM Gen4?
Shelly 1PM Gen4 has the stronger overall profile in this comparison, especially for price, dry contact mode, and wet contact mode.
What is the biggest difference between Shelly 1PM Gen4 and Shelly 2PM Gen4?
Price is one of the clearest differences: Shelly 1PM Gen4 lists $28.99, while Shelly 2PM Gen4 lists $38.99.
Which one looks better on price?
Shelly 1PM Gen4 is listed at $28.99, while Shelly 2PM Gen4 is listed at $38.99. Shelly 1PM Gen4 (better spec).
Who should buy Shelly 1PM Gen4?
Choose Shelly 1PM Gen4 if your priority is price and dry contact mode and that matters more than safety.
Who should buy Shelly 2PM Gen4?
Choose Shelly 2PM Gen4 if your priority is safety and that matters more than price.
