Short answer: no. Longer answer: it depends what "manage" means to you, and that is worth sorting out before you download anything.
You can run an LLM locally with no mobile app involved. Model lives on your computer or server, you chat from a desktop app or a browser tab, life goes on. For a personal setup, that is the whole story. Adding a phone does not make the model smarter. It just moves the screen. And some of these apps are, frankly, a solution hunting for a problem.
So when does a mobile admin app for your local AI stack earn its place? Three situations. One: you run models for other people. A team, a family, a small office. The moment someone else depends on your server, you need its health from wherever you are, and that is your phone. Two: you demo. Showing a client their private AI answering from your phone, nothing touching the cloud, beats any slide deck. Three: you travel. Checking the home server survived a power flicker from another timezone is peace of mind no desktop app gives you.
If none of those are you, skip the app. A free on-device AI admin app is still worth having for offline chat on the go, but that is a different job: chatting, not managing. Do not confuse the two or you will end up with five apps doing one job badly. I have seen that phone screen. It is not pretty.
And if all three are you, do not cobble it together alone. A private AI console SaaS gives you the phone-friendly view of the whole deployment without building it. Our database covers the model planning: 200 open-weight models with hardware requirements. Ready for private AI that runs itself while you are away? I do private AI setup for businesses at privateaiagent.fyi. Your data never leaves.