Verdict
Head-to-head · Best Smart Light Switches

Kasa Smart Wi-Fi Light Switch HS200 vs TP-Link Tapo S505D

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Kasa Smart Wi-Fi Light Switch HS200 comes out ahead by a narrow margin (4.5 vs 4.4). The gap is mostly about budget-minded buyers in newer homes with neutral wires who want reliable on/off smart control without a hub — read the strengths below before deciding.

Kasa Smart Wi-Fi Light Switch HS200
Higher ratedRanked #2 in Best Smart Light Switches
Kasa Smart Wi-Fi Light Switch HS200
2 sourcesall derived$11.99as of Aug 1

The Kasa HS200 is the best-value smart switch. SafeWise names it their 'Best for budgets' smart light switch, and it carries a 4.5/5 average across thousands of Amazon ratings. At $20 or less with no hub required, it's the easy pick for newer homes with neutral wires. You give up dimming and HomeKit, and the neutral wire is mandatory.

Strengths
  • Excellent value — typically $20 or less per switch
  • No hub required; connects directly over Wi-Fi
  • Easy DIY installation and a mature, reliable Kasa app
Watch-outs
  • Requires a neutral wire (rules out many older homes)
  • Base HS200 is on/off only — no dimming
  • No native 3-way without the multi-switch kit
TP-Link Tapo S505D
Ranked #3 in Best Smart Light Switches
TP-Link Tapo S505D
3 sources2 derived$30.99as of Aug 1

The TP-Link Tapo S505D is the best budget Matter dimmer. HowToGeek scored it 9/10, calling it about as great as it gets, and it pairs full 0-100% dimming with Matter certification at around $28. The modern five-button design includes a locator LED. Watch for a required neutral wire, white-only color, and the occasional Matter-offline hiccup some users report.

Strengths
  • Matter-certified dimmer at a budget-friendly price
  • Full 0-100% dimming with smooth control
  • Modern five-button design with a locator LED in the dark
Watch-outs
  • Requires a neutral wire
  • Only available in white
  • Some users report Matter devices dropping offline intermittently

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Kasa Smart Wi-Fi Light Switch HS200

The budget value pick. Cheaper and hub-free compared to the Lutron Caséta Smart Dimmer PD-6WCL, but it requires a neutral wire the Lutron and GE CYNC dimmer don't, and unlike the Leviton Decora Smart D215S and TP-Link Tapo S505D it's a basic on/off switch with no dimming or Matter on the base model.

TP-Link Tapo S505D

The budget Matter dimmer. It's the only dimmer here besides the premium Lutron Caséta Smart Dimmer PD-6WCL, and it undercuts it dramatically while adding Matter the Lutron lacks. It adds dimming the on/off Kasa HS200 and Leviton Decora Smart D215S don't have, but like them it requires a neutral wire the GE CYNC dimmer doesn't.

Specs side-by-side

SpecKasa Smart Wi-Fi Light Switch HS200TP-Link Tapo S505D
TypeIn-wall on/off switchIn-wall dimmer
Neutral WireRequiredRequired
3-WayNo (single-pole; multi-switch kit separate)No (single-pole base)
ProtocolWi-Fi (2.4GHz)Wi-Fi + Matter
EcosystemsAlexa, Google AssistantAlexa, Google, Apple Home, SmartThings
Hub RequiredNoNo
CertificationUL listedUL listed
DimmingNo0-100%
MaterialPolycarbonatePlastic
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