Portainer is the most widely used graphical front end for Docker, and for a lot of people it is how they interact with their containers day to day. Then something breaks while you are away from your desk, you reach for your phone, and discover there is no app to reach for. Here is what actually exists, and what the alternatives look like.
Is there a Portainer mobile app?
There is no official one. Portainer ships a web UI, and that is the entire supported surface. The feature request has been open on the project's GitHub since 2023 as issue #9524, "Introduce mobile support for the Portainer UI", and it ranks on searches for the app precisely because so many people go looking and land on it.
What exists instead falls into two groups. The community has built third-party clients that speak to the Portainer API: Pourtainer on iOS, several Docker managers on Android, and PortaNexus, a connector that circulated on r/selfhosted. These are independent projects, not Portainer releases, so their pace and longevity are their maintainers' to determine. And there is the responsive web UI itself, which is not nothing.
Why doesn't Portainer have an official mobile app?
No official reason has been given, but the shape of the product suggests one. Portainer's value is density: long tables of containers with state, ports, images, and stacks side by side, plus editors for compose files and environment variables. That is a layout built for a wide screen, and the work to make it genuinely good on a phone is closer to designing a second product than to adding breakpoints. Meanwhile the API is public and documented, which lowers the pressure by letting third parties fill the gap.
The practical result for you is that any mobile Portainer experience is either a browser tab or somebody else's app holding your Portainer credentials.
How do you manage Docker containers from your phone?
Option 1: the Portainer web UI in a mobile browser
It loads and it works. Checking whether a container is running, restarting one, and glancing at recent logs are all viable. What gets painful is anything wide or long: the container table scrolls horizontally, log output wraps badly, and editing a compose file in a browser textarea on a phone keyboard is an experience you will only have once.
There is also a reachability question, since Portainer's UI is a web service on your network. Exposing it to the internet means putting an authenticated control plane for your entire Docker host on a public address, which is worth thinking about carefully. Most people reach it over a VPN or a tunnel instead, which is the right instinct.
Option 2: a third-party client
Apps like Pourtainer connect to your Portainer instance's API and present a touch-native interface over it. When one matches how you work, it is the most comfortable option on this list, because someone designed it for the screen you are holding.
The things to weigh: you are giving a third-party app an API token to your Docker control plane, the app has to keep up with Portainer's API as it changes, and you are still dependent on reaching the Portainer instance over the network. Check what the app does with credentials before you paste one in.
Option 3: SSH to the host and use the Docker CLI
Portainer is a front end for the Docker daemon, and the daemon has another front end you already have: the docker command. If you can SSH to the host, you can do anything Portainer can do and a good deal it does not expose.
The commands that cover most of what people open Portainer for:
docker ps -a for what is running and what died
docker logs -f --tail 100 <name> to follow output
docker stats for live CPU and memory per container
docker restart <name> and docker compose restart <service>
docker inspect <name> for the full configuration
docker compose up -d after editing a stack file
No web service to expose, no API token to hand out, and it works on every host you can already reach.
Can you get a shell inside a container from your phone?
Yes, and this is the part that tends to matter most when something is actually wrong. Connect to the host over SSH, then:
docker exec -it <container> sh
Use bash instead of sh if the image has it. You are now inside the container with a working shell, able to check config files, test connectivity to a dependency, or read a log the application never shipped to stdout.
Two things worth knowing. Nothing is installed inside the container to make this work: the exec is performed by the host's Docker daemon, so the container inherits the host's access and costs no extra setup. And for minimal images built FROM scratch or distroless, there is no shell to exec into at all, in which case docker debug or attaching a sidecar with --pid=container:<name> is the way in.
Which approach fits which job?
| Task | Best from a phone |
|---|---|
| Is it running? Restart it | Any of the three; the web UI is fine |
| Read logs from a failing container | SSH, because --tail and grep beat scrolling |
| Get inside a container to diagnose | SSH; the others mostly cannot |
| Deploy or edit a stack | Wait for a laptop, honestly |
| Browse images, volumes, networks visually | Portainer, on any screen |
| Give a teammate scoped access | Portainer, which has real role-based access control |
The honest summary is that these are complementary rather than competing. Portainer is a control plane with a GUI, team permissions, and a visual model of your whole Docker estate, and nothing about a terminal replaces that. SSH is a general-purpose way onto the host that happens to include full Docker control. On a desktop the GUI advantage is large. On a phone it narrows, because the GUI is the part that translates worst to a small screen while the CLI translates unchanged.
The short version
No official Portainer mobile app exists and the request has been open for years. Your options are the responsive web UI for quick checks, a third-party API client if you find one you trust, or SSH to the host where the Docker CLI does everything without exposing a new service. For diagnosing a broken container specifically, SSH plus docker exec is the most capable of the three and the only one that reliably puts you inside the container.
If the phone is where you end up doing this often, Onepilot is an iPhone app that shows the containers on a paired host underneath it in the sidebar and opens them like any other machine, wrapping commands in docker exec from the host so nothing is installed inside the container. It is not a Portainer replacement and does not try to be: there is no image, stack, or registry management. See also why SSH sessions drop and how to reach a host behind NAT, both of which come up the moment your Docker host is not on the same network as you.