Seattle, Washington

Building insightful
digital products.

We combine rigorous product thinking with modern technology to create mobile experiences that are simple, reliable, and meaningful.

"Great products don't just work — they make people's lives substantially better."

Who we are

Substantial Insights is a Seattle-based software company focused on developing mobile applications that help people live better. We combine rigorous product thinking with modern technology to create experiences that are simple, reliable, and meaningful.

Featured Product

Caffeinly →

A mobile app that models caffeine metabolism in real time, helping users know exactly when to stop drinking caffeine to sleep better. caffeinly.com

Mobile Apps

We design and build iOS and Android applications focused on health, wellness, and productivity.

Product Strategy

We bring deep product management expertise to every engagement, from concept to launch.

User Research

We ground our work in real user needs, clean design, and a commitment to quality outcomes.

Quality & Compliance

We build with rigor — applying industry best practices to ensure reliable, trustworthy software.

Get in touch

Interested in working together or learning more about what we're building? We'd love to hear from you.

contact@substantialinsights.com