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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

Pros & Cons

Update Pros and Cons
The AI used to provide these results are constantly improving. These results might change.

Pros

The sonoff s31 smart plug has a lot of desirable capabilities, and can be expanded on as long as sonoff doesn't change future iterations of this plug to lock it down for us tinkerers. I only wish that the programming pads had holes in them so that i c...  Read More



Cons

This plug is rubbish! It's impossible to do anything with this plug unless you turn over your personal information and i think that is alarming. The instructions are useless. I have many other wireless outlets in my home that function well on their ow...  Read More

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality


The features on the app make these so powerful, like turning on one switch automatically can trigger another switch, or the inc...  Read More


Works good and can digitally record your power usage!


Rather than use the provided app, i reflashed this with esphome in about 10 minutes including disassembly and reassembly time.


I would never use these plugs with the default firmware on them, i flash them with tasmota and bring them into home assistant.

Price


It's an affordable device that has helped me save a lot on my energy bill.


It's the perfect cost-effective smart switch, once you re-flash it with custom firmware.


Just needed something to get a ball park of power consumption for a good price.


Works well enough for a fraction of the price of kill-a-watt's offerings for my needs.

Packaging/appearance


The only difference i noticed is that the two i ordered were not plastic wrapped like the s31s i purchased on the more expensiv...  Read More

Competitiveness


Used as just a smart outlet, i trust the sonoff name as an established player in this market.


I haven't compared these s31s as closely as the ones i purchased before at nearly 2x the price, but they appear to be identical.


Compared to the amazon smart plug, i prefer the simplicity of the sonoff programmable feature as well as viewing the power usag...  Read More

Overview

  • How are reviewers describing this item?
    assistant.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 304 reviews as of our last analysis date on Sep 3 2024.

Helpful InsightsBETA

The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    Just a reminder it goes to off state after power outages


    Posted by a reviewer on Amazon

    So if you are tracking power usage on refrigerator or freezer for example and power is interrupted you lose history and it does not turn on


    Posted by a reviewer on Amazon

    I started off with 2 just to test them out and make sure they would play nicely with esphome and would give me the data i wanted


    Posted by a reviewer on Amazon

    Im now up to 18 of them scattered around my house half of which are physically modified to disable the relay so i can monitor the energy use of things like my refrigerator without ever worrying that it might accidentally turn off


    Posted by a reviewer on Amazon

    Note that tasmota states these have their dc gnd pin hooked to the mains neutral pin which means you should not try to attach external sensors due to the shock risk


    Posted by a reviewer on Amazon

    Ive never used the sonoff app but i guess thats nice for people who dont want just a standalone system requires a cloud connection for the devices i believe


    Posted by a reviewer on Amazon

    These are great for custom flashing with esphome or tasmota though i would not recommend them on stock firmware


    Posted by a reviewer on Amazon

    Throw tasmota on this and you have a lot more features for a very cheap smart plug with power monitoring

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Please note: The content is generated by an AI language model based on reviews. We are constantly improving the accuracy, however, its outputs may contain errors or offensive content from certain reviews. Please report any errors or offensive content to us. Also, please note that we will not collect your questions unless you click the thumbs up/down button to provide feedback. The answers displayed will be stored by us so if another Fakespotter asks a similar question we can provide them an answer faster. Your feedback will only help us make Fakespot Chat better! By using Fakespot Chat, you agree to Fakespot's terms of use and privacy notice.

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