Docs & Planning

Kortex

Second-brain notes app where you choose your AI model. Asks questions about your notes and suggests connections.

Review Freemium

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The honest take.

Second-brain notes app where you choose your AI model. Asks questions about your notes and suggests connections.

Who it's for.

Best for

General use across stages.

Avoid if

You need something very specific not covered here.

Our verdict.

FEWERTOOLS BEST SCORE · UNIVERSAL

54/100

Watch

52 category fit · 60 stack score · auto-derived

Not yet

How we rank →

Where Kortex sits on the score ladder

02540557085100

Score has been stable since this tool was reviewed. No pricing events logged.

Live signals · autonomous Fetching from Hacker News + Reddit…

HN stories · last 7d · kortex.co

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Reddit (founder subs) · 7d · kortex.co

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Momentum impact

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Searching for "kortex.co" on both sources. Domain-based search avoids false matches like "linear regression" or "racing stripe". Click either card to see the actual stories.

#7 in Notes · 13 ranked

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Review

Kortex is solid. Second-brain notes app where you choose your AI model. Asks questions about your notes and suggests connections.

More Docs & Planning.

Explore other tools in the same category.

Independent

No paid placements, ever.

40+ hours tested

Real projects, not demos.

Review date

Last updated April 2026.

Verdict refreshed

We revisit as tools evolve.