Cruxbook

Cruxbook

Bouldering logbook, every gym

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Free
In-App Purchases

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Details

Released
November 5, 2026
Updated
November 9, 2026

Features

Cruxbook screenshot #1 for iPhone
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About

Every gym. Every colour. Two taps. Set up your gyms with their colours in under a minute. At the wall: tap the colour, then attempt or top. Cruxbook works out flashes, projects and stats. Your phone is enough. HOW IT WORKS • Add the gym: name it, tap the colours from easy to hard, done. Grades only if you want them. • Colour, then attempt or top: two taps per boulder, chalky fingers welcome. Cruxbook spots the flash itself. • See what grows: volume, flash rate and pyramid per gym, projects across sessions. YOUR GYM TOO Colour circuits, tape at the start or the gym's own numbers. Switch gyms and they sit side by side in your logbook, each in its own system. Cruxbook only compares them once you map grades. It never guesses. FREE, FOREVER Unlimited sessions, gyms and colour systems. Attempt, flash, top, projects. Stats for the last 30 days. CSV export and delete. PREMIUM Season stats and grade curve, project history across sessions, gym comparison via Font grades and a review when the gym resets a circuit. Premium is an auto-renewing subscription, billed monthly or yearly to your Apple Account. It renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it in your App Store account settings. Your logbook is seen by your account only. Export and delete any time, Premium or not. Terms of Use: https://cruxbook.app/terms Privacy Policy: https://cruxbook.app/privacy
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What's New in Cruxbook

1.0.1

November 9, 2026

The Apple Watch app now fits small 40 mm watches: pause and stop no longer cover TOP and TRY. The demo gym on the watch shows up in your language. On launch you see the Cruxbook colours instead of a white flash. Large system text now also applies to the app's content. If a device's pairing has expired, the app asks you to pair it again. Your sessions are kept.

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Subscriptions & In-App Purchases

Premium Monthly

Season stats, grade curve, project history

$3.991 Month
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