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TARS: A product metric game changer

Balance your business goals and user needs by working out if your features are any good

Adrian H. Raudaschl
UX Collective
14 min readJan 24, 2023

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Cat pointing at a whiteboard with TARS written on it, pictures of graphs and a cobra with a red X over it.
TARS Framework. Illustration by author.

As a product manager, I’ve always had an unhealthy obsession with metrics. They are like a siren call, drawing me in with promises of success and customer satisfaction.

I’ve spent countless hours poring over spreadsheets and statistics, searching for the elusive formula to unlock the secrets of product success and customer satisfaction. But in reality, I was often lost, chasing after ever more convoluted metrics and segmentations.

But then, last year, salvation came in the form of TARS — Target Users, Active Users, Retention, and Satisfaction — a framework developed by the wise sages at Reforge. It helped me break free from the shackles of misleading metrics like NPS or revenue and instead focus on the true heart of product success.

TARS is more than just a collection of metrics; it’s a framework that allows us to evaluate features and answer the crucial question, “What does a good outcome for my feature look like?”.

For those willing to embrace it, TARS can be a game-changer, allowing us to navigate the complex landscape of product management with greater clarity and purpose. It’s a powerful tool that I’ve come to rely on as I strive to…

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Written by Adrian H. Raudaschl

The thoughts and lessons of a physician turned product manager driving search and generative AI innovations.

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