Cruxbook

The bouldering logbook for every gym

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, the watch can come along.

Start for free How it works

How it works

Add the gym. Tap the colour. Top.

1
Add the gym

Name, tap the colours easy to hard, done. Grades only if you want them.

2
Colour, then attempt or top

Two taps per boulder, chalky fingers welcome. Cruxbook spots the flash itself.

3
See what grows

Volume, flash rate, pyramid per gym. Projects across sessions.

On your watch

Tap a colour, top it, move on. Right on your wrist.

  • Garmin watch showing the start screen: Kletterwerk Ost, circuit Autumn with 6 colours, 3 sessions waiting for upload and the "Session starten" (start session) button.

    Start: pick gym and circuit, "Start session"

  • Garmin watch during a session: circuit Autumn, red, 0:40 minutes, 2 tops, 2 flashes, 5 attempts, colour dots and the "Versuch" (attempt) button.

    On the wall: colour, attempt and top with one tap

  • Garmin watch showing the flash card: green on the first attempt, 1 top, 1 flash and an undo button for 5 seconds.

    Flash: 5 seconds to undo

  • Garmin watch showing the summary: 0:53 hours, 2 tops, 2 flashes, 5 attempts, waiting for the phone.

    Session saved, the phone takes over

  • Garmin watchface showing 06:52, the date, weekly goal, streak and the note that no session is running.

    Watchface: week, streak and time

Now in the Connect IQ Store. The Garmin app is free.

Gyms

Your gym too. No partner deal needed.

Colour circuit
Colour = difficulty, Font grade optional
Tape at the start
Any hold colour, difficulty on the tape
Numbers
12345678
The gym's scale, e.g. 1–8

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.

Devices

Phone first. Watch if you like.

Web · now Garmin · now in the store Phone app · soonWear OS · soonApple Watch · soonAmazfit (Zepp) · soonHuawei · later

Pricing

The logbook is free. Forever.

Free

  • Unlimited sessions on your phone, watch apps follow for free
  • Unlimited gyms and colour systems
  • Attempt, flash, top, projects
  • Stats for the last 30 days
  • Export (CSV) and delete

Premium

  • €4.99 a month
  • €39.99 a year
  • Season stats and grade curve
  • Project history across sessions
  • Gym comparison via Font grades
  • Circuit review when the gym resets
  • Link to LiftSync, our strength-training app (coming), widget (later)
Subscribe monthly Subscribe yearly

You sign in first and go straight to payment afterwards.

Watch apps are coming and will be free, for everyone.

Gyms and colours are yours, your logbook is seen by your account only. Export and delete any time, Premium or not.