Michal Kos

Software Engineer & Tech Lead

I build web platforms, native iOS apps, and AI-powered tools — and lead the teams that ship them. I care about making the right technical calls early, while staying close enough to the code to know when they’re wrong.

Contact me 👋

Apps I’ve built

Kindmemo
A private iOS app for remembering the little things about the people who matter, with no account required.
Promptty
The fastest way to access and manage your AI prompts across iOS devices, including a keyboard extension.
NoJar
An iOS app that tracks how often people actually say yes, so you can calibrate what you expect from asking.
Quick Notes
A simple app for writing notes that you want to access anywhere, anytime.
Burstio
An iOS app that converts burst mode photos into videos or GIFs.