Shop by price · Updated for 2026

Best Smart Relays Under $20

All the smart relays in our catalog priced under $20, ranked best first, with live prices, real owner ratings and full specs so you can compare before you buy.

Last updated

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15
Products
5
Brands
$11.74
Prices from
30%
Top discount

Shelly 1 Mini Gen3 is the top pick among smart relays under $20, rated 4.5 stars across 4,649 customer reviews.

15 products

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FAQ

Frequently asked questions

What are the best smart relays under $20?

Shelly 1 Mini Gen3, Sonoff MINI Dry Wi-Fi Smart Switch and Shelly 2PM Gen3 lead our ranking of smart relays under $20, ordered by customer rating weighted by how many reviews back it. The full list compares 15 products in this price range.

How many smart relays cost less than $20?

This page tracks 15 smart relays under $20 from 5 brands, with prices starting at $11.74.

Are these prices up to date?

Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $20 drops off this list on the next update.

Looking for more than $20?

See all the relays in the catalog, compared side by side on specs, price and rating.

Browse all Relays
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