Private by default
Our apps are designed to stay offline whenever possible, ask for minimal access, and avoid unnecessary accounts or tracking.
Technology that gets out of your way
PlainOS makes focused, uncluttered tools that respect your time, your attention, and your data—without advertising or marketing inside the app.
The download button will activate when the public listing is ready.
Audio Cleaner
Private. On your phone.
Selected recording
Sound
Compare before saving
The PlainOS principles
We believe a good app should be easy to understand, reliable when you need it, and quiet when you do not.
Our apps are designed to stay offline whenever possible, ask for minimal access, and avoid unnecessary accounts or tracking.
No adverts, cross-promotion, upgrade nags, engagement tricks, or crowded dashboards. Just the job you came to do.
Focused tools, dependable behaviour, and plain language—without features that exist only to make the app look busy.
Too many apps treat every opening as another chance to sell, nudge, promote, interrupt, or pull you back in. There is already enough marketing competing for your attention.
PlainOS exists because a useful tool should simply do its job. Open it, get the result, and carry on with your day.
That means completely ad-free, marketing-free apps with straightforward controls and as much offline operation as the job allows.

Why I made PlainOS
“I was fed up with apps trying to sell me something, pull me back in, or shape what I paid attention to every time I used my phone.”
I wanted a phone filled mostly with straightforward, ad-free tools that worked, stayed offline wherever possible, and then got out of the way. So I started making them.
If a PlainOS app costs money, the price should be clear. Once you are inside the app, it should serve you—not advertise to you, cross-promote to you, or keep trying to change your mind.
Joe BainsFounder and builder, PlainOS

First from PlainOS
PlainOS Audio Cleaner improves speech in audio and video files directly on your Android phone.
A small, focused family
PlainOS is designed to grow one focused tool at a time, without turning into a bundle of clutter.
Available first
Future concept
What stays the same