A journal that builds a living map of how your mind evolves over time.

Write entries. Thought Biography extracts your recurring ideas, tracks how their meaning shifts across years, and shows which books and people actually shaped how you think. The result is a biography of your intellectual life — not the events, but the evolution.

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Free for first 30 entries Encrypted. We can't read your entries. No credit card

What it produces

After enough entries, it writes your intellectual memoir.

Not a summary of what you wrote. A literary account of how your thinking has changed — with turning points, contradictions, and the people who shaped each chapter.

AI-generated · 2019–2022 period · 127 entries processed

Between 2019 and 2022, your thinking underwent a fundamental restructuring. The concept of Freedom — once framed as escape — was quietly redefined as something you had to choose rather than flee toward. Viktor Frankl arrived at precisely the moment this was possible. What followed was not resolution but a deeper tension: if freedom requires commitment, what does that mean for a self that had built its identity around remaining unfinished?

"I've kept a journal for twelve years. This is the first tool that made those years feel coherent rather than just accumulated."

Maya Chen

Philosopher, UC Berkeley

"Being able to see a client's contradiction map before a session changes everything about what I decide to address."

Dr. Andreas Wolf

Executive coach, Berlin

"The biography document made me cry. I didn't know how much I'd changed until I saw it written out as a single arc."

Priya Nair

Writer & researcher

What you get

Four things that have never existed in a journal before

Concept drift

Track how the meaning of your recurring ideas shifts across years. Freedom in 2018 ≠ Freedom in 2024.

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Influence trees

See which books and people catalyzed which ideas. Map the actual genealogy of your beliefs.

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Contradictions

Surface beliefs that are in genuine tension. Some dissolve when you look at them. Others are worth sitting with.

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Biography

After enough entries, an AI writes a literary account of how your thinking has evolved and why.

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You've been thinking for decades.
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