Small apps. Built properly. Private by architecture.

Fully Operational is an independent studio making native iOS apps that respect your time and your data — no accounts, no tracking, no dark patterns.

In beta · iOS 26

SYLO

The app for the two of you — appreciation, weekly syncs, important dates and one shared brain for household life. Synced privately through your iCloud.

Meet SYLO →
In beta · iOS 26

Simple Health

A thirty-second daily check-in for energy, mood and pain — with voice check-ins understood entirely on your device. Your health data never leaves your phone.

Meet Simple Health →

The house rules: native SwiftUI, the latest Apple frameworks, on-device intelligence over cloud harvesting, and privacy policies short enough to actually read. If an app needs your data to leave your phone, we treat that as a design failure.