IoT platform VS MQTT Platform?

Projects General Guidance
1

Hey,

Note, that I am not an expert on this topic as I am still researching it.

I am trying to create my own IoT project and still researching how to implement it nicely.

The requirements are simple:

  1. Take note of the GPS coordinates of my device
  2. Take note of the current temperature readings
  3. Send SMS/Email in case something is out of scope.
  4. Access the data for the last 90 days.

Now, I have been looking at different IoT platforms like Arduino IoT cloud, ThingSpeak, or some of the pricier ones like Amazon, Azure, etc.

And then there are the MQTT platforms such as HiveMQ/EMQ/CloudMQTT.

I noticed that the MQTT platforms do not have any direct way of saving your data to your database. You have to write your own logic to save the records in your database and create your own application to retrieve it.

So I am wondering what is the use case of those MQTT platforms other than receiving and passing data.

Maybe I am just skeptical as my knowledge is shallow but I would like to hear some advice.

Thanks

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