Updated June 2026
Data from Amazon and official Shelly site.
2026 verdict
Shelly 1PM Gen4 edges out Shelly 1 Gen3 in 2026, led by rating, connectivity, and energy monitoring. Its strongest advantages show up in rating, connectivity, and energy monitoring, with zibgee router helping widen the gap. Shelly 1 Gen3 can still be the right pick, but only if price outweighs the wider strengths of Shelly 1PM Gen4. That is why Shelly 1PM Gen4 wins the verdict here.
| Feature | Shelly 1 Gen3 | Shelly 1PM Gen4 | Winner |
|---|---|---|---|
| Price | $22.99 | $28.99 | Shelly 1 Gen3 |
| Rating | 4.4 | 4.6 | Shelly 1PM Gen4 |
| Connectivity | Bluetooth | Bluetooth, Zigbee | Shelly 1PM Gen4 |
| Energy Monitoring | NO | YES | Shelly 1PM Gen4 |
| Zibgee Router | NO | YES | Shelly 1PM Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Relay Channels | 1 | 1 | Tie |
| Power Off Memory | NO | NO | Tie |
| Dry Contact Mode | YES | YES | Tie |
| Wet Contact Mode | YES | YES | Tie |
$22.99
- + Price: $22.99
- - Rating: 4.4 vs 4.6
- - Connectivity: Bluetooth vs Bluetooth, Zigbee
Winner
$28.99
- + Rating: 4.6
- + Connectivity: Bluetooth, Zigbee
- + Energy Monitoring: YES
- - Price: $28.99 vs $22.99
Frequently Asked Questions (FAQ)
Which is better overall: Shelly 1 Gen3 or Shelly 1PM Gen4?
Shelly 1PM Gen4 has the stronger overall profile in this comparison, especially for rating, connectivity, and energy monitoring.
What is the biggest difference between Shelly 1 Gen3 and Shelly 1PM Gen4?
Price is one of the clearest differences: Shelly 1 Gen3 lists $22.99, while Shelly 1PM Gen4 lists $28.99.
Which one looks better on price?
Shelly 1 Gen3 is listed at $22.99, while Shelly 1PM Gen4 is listed at $28.99. Shelly 1 Gen3 (better spec).
Who should buy Shelly 1 Gen3?
Choose Shelly 1 Gen3 if your priority is price and that matters more than rating.
Who should buy Shelly 1PM Gen4?
Choose Shelly 1PM Gen4 if your priority is rating and connectivity and that matters more than price.
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