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description Sonoff S31 Overview
The Sonoff S31 is a cult favorite among DIY smart home enthusiasts. While it works perfectly fine out of the box with the eWeLink app, its true value lies in its ability to be flashed with custom open-source firmware like Tasmota or ESPHome. This allows for local-only control, removing reliance on cloud servers and providing total privacy. It also features excellent energy monitoring capabilities.
It is not for the average user, but for those who want to build a custom, private, and highly advanced smart home, it is an essential piece of hardware.
help Sonoff S31 FAQ
What is Sonoff S31?
The Sonoff S31 is a cult favorite among DIY smart home enthusiasts. While it works perfectly fine out of the box with the eWeLink app, its true value lies in its ability to be flashed with custom open-source firmware like Tasmota or ESPHome. This allows for local-only control, removing reliance on cloud servers and providing total privacy. It also features excellent energy monitoring capabilities. It is not for the average user, but for those who want to build a custom, private, and highly advanced smart home, it is an essential piece of hardware.
How good is Sonoff S31?
Sonoff S31 scores 7.2/10 (Good) on Lunoo, making it a well-rated option in the Smart Home Device category.
What are the best alternatives to Sonoff S31?
See our alternatives page for Sonoff S31 for a ranked list with scores. Top alternatives include: Breville BKE850XL Precision Brewer, Schlage B655 Smart Deadbolt, Bosch 84500UC10B Smart Microwave.
How does Sonoff S31 compare to Breville BKE850XL Precision Brewer?
See our detailed comparison of Sonoff S31 vs Breville BKE850XL Precision Brewer with scores, features, and an AI-powered verdict.
Is Sonoff S31 worth it in 2026?
With a score of 7.2/10, Sonoff S31 is a solid option in Smart Home Device. See all Smart Home Device ranked.
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