Crux is an AI decision coach built for adults navigating real choices. It helps you think through complex decisions with rigour, honesty, and a clear framework.
Download on the App Store Free at launchChatbots give answers. Crux helps you think. Where a general AI will happily tell you what to do, Crux uses a structured five-stage framework to draw out your own thinking, challenge your assumptions, and surface the trade-offs you're actually weighing.
Map your options
Analyse upsides, downsides, and trade-offs
Stress-test your thinking
Compare what survives
Own your decision with clear reasoning
Your thinking comes first. Crux draws out what you already know before offering anything new.
Relationships, money, career, family. Crux handles the trade-offs other apps avoid.
Your decisions stay on your device. No ads, no tracking, no data sales.
Crux draws on decades of research into how people make better choices under pressure — including the work of Chip and Dan Heath, Daniel Kahneman, and Gary Klein.
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