Why these tools are often compared
If you run one or more Klipper-based 3D printers, sooner or later you start looking for a better way to see what is happening with your machines.
Home Assistant often comes up in that conversation, and for good reason. It is a very powerful automation platform. You can connect smart plugs, lights, cameras, sensors, thermostats, and many other devices. With the right configuration, it can also show information from 3D printers.
But that does not mean Home Assistant and My3DMonitor are trying to solve the same problem.
The easiest way to explain the difference is this: Home Assistant is a general automation system that can be adapted to 3D printers. My3DMonitor is built specifically around 3D printer production data.
That difference matters a lot, especially when you go from one printer to multiple printers.
What Home Assistant is good at
Home Assistant is excellent if your goal is to connect devices together.
For example, you might want your printer connected to a smart plug, a camera, a temperature sensor, or an automation that sends you a notification when something changes. If you already have Home Assistant running at home, adding printer-related information can make sense.
The important thing to understand is that Home Assistant usually needs to be installed on a local device. Many people run it on a Raspberry Pi, a mini PC, or a small home server. After that, you still need to configure integrations, entities, dashboards, automations, and remote access if you want to reach it from outside your network.
For people who enjoy building and customizing their own systems, this is a strength. Home Assistant is flexible exactly because it is not limited to one use case.
But it also means it does not come ready-made for 3D printer production tracking. It was originally designed for general home automation, not for calculating production cost across a small print farm.
What My3DMonitor is built for
My3DMonitor starts from a different idea.
Instead of trying to control every device in your home or workshop, it focuses on the data that matters when you are actually producing printed parts.
The goal is not only to know whether a printer is printing or idle. The goal is to answer questions like how many successful parts were actually produced across multiple printers, how many failed, how much filament was used, how much time it took, and what the real cost per good part was.
That is where a normal monitoring dashboard usually stops being enough.
If you have two or five printers producing the same item, looking at each printer separately does not give you the full business picture. You need the data grouped by product, file, date, failures, material usage, and time.
My3DMonitor is designed for that kind of workflow.
Setup difference
This is one of the biggest practical differences.
With Home Assistant, you usually need to provide your own local setup. That means installing Home Assistant on a Raspberry Pi, mini PC, or server, then configuring printer integrations and deciding how remote access should work. Remote access might involve Home Assistant Cloud, a VPN, reverse proxy, or another networking setup.
That is not a bad thing, but it is a project by itself.
With My3DMonitor, the setup is more direct because the system is made for Klipper and Moonraker printers. You install a small agent for the printer, connect it to your account, and the printer data is sent to the web dashboard. The dashboard is already online, so you can access it from anywhere with an internet connection without building your own remote access setup.
That difference is important for users who do not want to maintain another local server just to get production data.
Monitoring vs cost tracking
A lot of confusion comes from the word monitoring.
If monitoring means you want to see printer status, temperatures, or camera feeds, then Home Assistant can do that very well with the right setup.
But if monitoring means understanding whether your print production is actually profitable, that is a different problem.
My3DMonitor is closer to a production and cost tracking tool than a traditional monitoring dashboard. It is not trying to replace tools that control printers or automate your workshop. It is trying to add the business layer that is often missing when running multiple printers.
For example, imagine printing the same part 15 times across 2 printers, with 2 failed prints and the rest completed successfully. A per-printer dashboard can tell you what happened on each machine, but it does not naturally answer the more important question: what did each successful part really cost?
Failed prints matter because they consume time and material. If you ignore them, your cost calculation looks better than reality. This becomes even more important when you sell printed parts or run repeated production jobs.
Comparison table
Main purpose: Home Assistant is general home automation, while My3DMonitor is focused on 3D printer production tracking.
Typical installation: Home Assistant usually runs on a local device such as a Raspberry Pi, mini PC, or server, while My3DMonitor uses a web app plus a printer agent.
Remote access: Home Assistant needs to be configured or added separately, while My3DMonitor provides a web dashboard accessible online.
Printer status monitoring: Home Assistant can do it through integrations, while My3DMonitor is built around Klipper printer data.
Printer control: Home Assistant can support it depending on your setup, while My3DMonitor is not mainly about printer control.
Multi-printer view: Home Assistant can provide it through a custom dashboard, while My3DMonitor is built around multiple printers.
Cost per part: In Home Assistant this usually needs manual or custom logic, while in My3DMonitor it is a core feature.
Failed print impact on cost: In Home Assistant this usually needs manual or custom logic, while My3DMonitor includes it in production tracking.
Best for: Home Assistant fits automation, devices, cameras, and smart plugs. My3DMonitor fits print farms, repeated parts, and cost and margin tracking.
When Home Assistant makes more sense
Home Assistant makes more sense if your printer is only one part of a larger automation system.
If you want to turn power on and off, connect cameras, trigger lights, integrate sensors, or build automations across your home or workshop, Home Assistant is probably the better tool. It gives you flexibility and control, especially if you are comfortable configuring things yourself.
It is also a good choice if you already have Home Assistant running and only want basic printer visibility.
When My3DMonitor makes more sense
My3DMonitor makes more sense when the printer data itself is the main thing you care about.
If you run multiple printers, repeat the same files, sell printed parts, or want to understand real cost per item, then a generic dashboard is not enough. You need production data grouped in a way that matches how you actually work.
The useful view is not always Printer 1 did this and Printer 2 did that.
Sometimes the useful view is that one product was printed 15 times, 2 failed, a certain amount of material was used, and the remaining successful parts had a real unit cost you can act on.
That is the kind of question My3DMonitor is built to answer.
Can they be used together?
Yes. This is probably the most accurate answer.
Home Assistant and My3DMonitor do not need to be enemies. They sit at different levels.
Home Assistant can be the automation layer: power, cameras, sensors, alerts, and workshop devices.
My3DMonitor can be the production layer: print history, grouped jobs, costs, failed prints, and margins.
For some users, Home Assistant alone is enough. For others, especially people running a small farm or printing repeated parts, it may not answer the business questions.
Final thoughts
The real difference is not which dashboard is better. The real difference is the problem you are trying to solve.
If you want to automate your workshop and connect many types of devices, Home Assistant is a powerful choice.
If you want to understand what your 3D printed parts actually cost across multiple printers, My3DMonitor is built for that specific job.
For one printer, the difference may not matter much. For a small farm, repeated jobs, failed prints, and real cost per item start to matter a lot.
If you run Klipper printers and want to track cost per part, My3DMonitor is built for that workflow.