Plugs · Head to head

Shelly Smart Plug UL vs TP-Link Tapo P400M

Full Smart Plugs comparison in 2026

Updated October 2026
Data from Amazon and official Shelly and TP-Link sites.
2026 verdict
Shelly Smart Plug UL has the better all-around case than TP-Link Tapo P400M in 2026, starting with price, energy monitoring, and connectivity.
Shelly Smart Plug UL
Winner
Shelly Smart Plug UL
$24.99

Last recorded price

Buy on Amazon USA
Its biggest wins come from price, energy monitoring, and connectivity, and its broader overall balance adds more confidence to the verdict. Choose TP-Link Tapo P400M only if rating and weather resistance matter more to you than the broader advantage from Shelly Smart Plug UL. That is why the final call still favors Shelly Smart Plug UL.
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FeatureShelly Smart Plug ULTP-Link Tapo P400MWinner
Price$24.99$25.99Shelly Smart Plug UL
Rating4.24.5TP-Link Tapo P400M
Weather ResistanceNOIP65TP-Link Tapo P400M
Energy MonitoringYESNOShelly Smart Plug UL
Connectivity2.4 GHz WiFi, Bluetooth, Zigbee2.4 GHz WiFi, BluetoothShelly Smart Plug UL
Plug FormatType BType BTie
Maximum Load Power1800W1800WTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
On/Off ButtonYESYESTie
Winner
Shelly

Shelly Smart Plug UL

Prime exclusive deal
$24.99

Last recorded price

Buy on Amazon USA
  • + Price: $24.99
  • + Energy Monitoring: YES
  • + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
  • - Rating: 4.2 vs 4.5
  • - Weather Resistance: NO vs IP65

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Shelly Smart Plug UL
  • TP-Link Tapo P400M

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Frequently Asked Questions

Which is better overall: Shelly Smart Plug UL or TP-Link Tapo P400M?

Shelly Smart Plug UL has the stronger overall profile in this comparison, especially for price, energy monitoring, and connectivity.

What is the biggest difference between Shelly Smart Plug UL and TP-Link Tapo P400M?

Price is one of the clearest differences: Shelly Smart Plug UL lists $24.99, while TP-Link Tapo P400M lists $25.99.

Which one looks better on price?

Shelly Smart Plug UL is listed at $24.99, while TP-Link Tapo P400M is listed at $25.99. Shelly Smart Plug UL (better spec).

Who should buy Shelly Smart Plug UL?

Choose Shelly Smart Plug UL if your priority is price and energy monitoring and that matters more than rating.

Who should buy TP-Link Tapo P400M?

Choose TP-Link Tapo P400M if your priority is rating and weather resistance and that matters more than price.

Full comparison table

Compare all 39 Plugs side by side

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  • 39 Plugs
  • 31 specs compared
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