Shelly 1 Gen4 vs Shelly Plus 1PM (2026): Which to Buy?

Updated September 2026

Data from Amazon and official Shelly site.

2026 verdict

Between Shelly 1 Gen4 and Shelly Plus 1PM, Shelly 1 Gen4 is the better overall pick in 2026, leading on price, integrations, and zibgee router.

Winner

Shelly 1 Gen4

$24.99

Buy on Amazon USA

It has the clearer edge on price, integrations, and zibgee router, and it stays ahead on its broader overall balance. Shelly Plus 1PM is still relevant if you care most about rating, safety, and energy monitoring, but Shelly 1 Gen4 is the stronger recommendation overall. That is why Shelly 1 Gen4 wins the verdict here.

Winner

Shelly

Shelly 1 Gen4

$24.99

Buy on Amazon USA

Shelly

Shelly Plus 1PM

$27.49

Buy on Amazon USA

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Feature	Shelly 1 Gen4	Shelly Plus 1PM	Winner
Price	$24.99	$27.49	Shelly 1 Gen4
Rating	4.4	4.6	Shelly Plus 1PM
Safety	Overheating protection	Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection	Shelly Plus 1PM
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Samsung SmartThings, Home Assistant	Shelly 1 Gen4
Energy Monitoring	NO	YES	Shelly Plus 1PM
Zibgee Router	YES	NO	Shelly 1 Gen4
Warranty	3 years	3 years	Tie
Connectivity	Bluetooth, Zigbee	2.4 GHz WiFi, Bluetooth	Tie
Relay Channels	1	1	Tie
Power Off Memory	NO	NO	Tie
Dry Contact Mode	YES	YES	Tie
Wet Contact Mode	YES	YES	Tie

Winner

Shelly

Shelly 1 Gen4

$24.99

Buy on Amazon USA

+ Price: $24.99
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
+ Zibgee Router: YES
- Rating: 4.4 vs 4.6
- Safety: Overheating protection vs Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection

Shelly

Shelly Plus 1PM

$27.49

Buy on Amazon USA

+ Rating: 4.6
+ Safety: Overheating protection, Overvoltage protection, Overcurrent protection, Overpower protection
+ Energy Monitoring: YES
- Price: $27.49 vs $24.99
- Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions

Which is better overall: Shelly 1 Gen4 or Shelly Plus 1PM?

Shelly 1 Gen4 has the stronger overall profile in this comparison, especially for price, integrations, and zibgee router.

What is the biggest difference between Shelly 1 Gen4 and Shelly Plus 1PM?

Price is one of the clearest differences: Shelly 1 Gen4 lists $24.99, while Shelly Plus 1PM lists $27.49.

Which one looks better on price?

Shelly 1 Gen4 is listed at $24.99, while Shelly Plus 1PM is listed at $27.49. Shelly 1 Gen4 (better spec).

Who should buy Shelly 1 Gen4?

Choose Shelly 1 Gen4 if your priority is price and integrations and that matters more than rating.

Who should buy Shelly Plus 1PM?

Choose Shelly Plus 1PM if your priority is rating and safety and that matters more than price.

Full comparison table

Compare all 36 Relays side by side

You are looking at two of them. The full table lines up all Relays in the catalog with the same specs, so you can filter by what you need and sort by price or rating.