Great apps start here.

ESONESI INC. turns complex ideas into beautifully crafted, intuitive iOS experiences.

What we're building

Vitamin D UV Tracker

Coming soon

Know your sun. Track your Vitamin D.

Get personalized sun exposure recommendations based on your location, UV index, skin type, and real-time weather conditions. Science-backed guidance to help you get the sunlight you need safely.

Real-time UV index and personalized exposure times
Fitzpatrick skin type calibration
History tracking, 5-day UV forecast, and trends

What we do

ESONESI is an independent studio focused on building original apps for Apple platforms. We care about clean design, performance, and details that make software fun to use.

Design-led

Interfaces that feel simple, clear, and considered.

Built for iOS

Native apps designed to feel at home on Apple devices.

Independent

A small studio shipping its own products.

Get in touch

Have a question or want to reach the studio? Send us a note.

Based in Ontario, Canada.

contact@esonesi.com