Solid Foundation

A collection of focused apps designed to help you build good experiences and lasting habits — without the noise.

Explore
What We Believe

Apps built on
good principles

01

Focused by Design

Simple apps that do one thing exceptionally well. No feature bloat, no distractions — just the tools you need.

02

Your Privacy, Always

No data collection, no advertisements, no email spam, no unnecessary in-app content. Your life is yours.

03

Free at the Core

Core functionality is always free. Premium features are available for those who want to go further.

04

Own It Forever

Lifetime access available with a one-time purchase. No recurring fees, no surprises.

Our First App

Marble

Simple Intermittent Fasting

Download on the App Store

A straightforward intermittent fasting tracker designed for iOS. Download and start your first fast in seconds — no account required, no data collected.

Marble fasting screen
Marble streak screen
Marble countdown screen
⏱

Personalized Schedules

Adaptable to any fasting routine

🔥

Streak Tracking

Build consistency day by day

📱

Home Screen Widgets

Your fast, always visible

☁️

iCloud Sync

Your data stays with you