First Domino
Focus on the one thing that matters most — a goal tracker built on The One Thing
Related Posts9
July 1, 2026 — First Domino 1.0.0 Ships
An idea born in 2019 became an app on July 1, 2026. A 7-year assignment, finally submitted.
The Play Store Wall — Business Registration and the 14-Day Tester Requirement
Two barriers blocked the Android launch: in-app purchases require business registration, and closed testing requires 12 testers for 14 days. iOS launched first.
Implementing In-App Purchases with RevenueCat — My First Time in Flutter
IAP was familiar in iOS development, but Flutter was a first. The journey to finding RevenueCat.
Black and Gold — Designing for Focus
First Domino's color palette wasn't just a personal preference — it came from the app's core purpose: focus.
Reviving a 7-Year-Old Idea — This Time with Flutter
After analyzing competing apps and finding them lacking, I chose Flutter to build First Domino for both iOS and Android at once.
The One Thing — The Book That Changed Me 7 Years Ago
In the summer of 2019, reading The One Thing sparked an app idea. That idea sat buried for 7 years.
First Domino — Building a Daily Routine Around One Focus
How to use First Domino as a daily routine anchor. Check today's one thing in the morning, mark it complete in the evening.
First Domino — The Top-Down Goal Structure
First Domino's core feature is a top-down goal structure: 5 years → this year → this month → this week → today.
First Domino — Why You Should Focus on Just One Goal
First Domino (단하나) lets you set only one goal at a time. Here's the core philosophy behind that constraint.