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Why I Built Decision Jar

The origin story is embarrassingly relatable: my partner and I would spend more time choosing a movie than actually watching it. I have ADHD, and decision fatigue hits different when your brain treats every choice like it's life-or-death.

So I built Decision Jar — not as a novelty, but as a genuine tool for people who get stuck in choice paralysis. The shake mechanic isn't just a gimmick; the physical action of shaking your phone creates a commitment moment that breaks the overthinking loop.

A few things I'm proud of:

• The app is 100% local-first. Your decisions are your business — no accounts, no tracking, no cloud sync. It works offline because your lunch choice shouldn't require an internet connection.

• AI suggestions genuinely save time. Instead of staring at an empty jar wondering what your options even are, the AI fills it for you based on context.

• The gamification (streaks, achievements, stats) sounds silly until you realize it's training your brain to decide faster over time. That's real behavioral design, not just badges.

I built this with Expo/React Native, so it's truly cross-platform from a single codebase — iOS, Android, and web.

Would love your feedback, feature ideas, and honest takes. What decisions would you put in the jar?

~ Bill, founder of Volvox LLC and the maker behind Decision Jar.

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Decision Jar
  1. 1

    The shake as a commitment device is a nice detail, most decision apps just present options without addressing the actual paralysis part. Curious how you handle decisions where the stakes feel too high for a jar shake to feel legitimate, does it stay scoped to low stakes stuff like lunch and movies, or do people try to use it for bigger calls too?

  2. 1

    Congrats on the launch, looks solid. How are you currently thinking about acquiring early users and gathering feedback?