The platform for personal trainers and gyms
All your coaching. One system.
Build programs, take bookings, and track your clients’ progress. Replace the spreadsheet and five other apps.
Free to start. Your clients don’t need an account.
The tools that run your day
Program building, bookings, plans, and your exercise library.
Program designer
Build a professional program in minutes
- Drag in exercises from a library of 1,300+
- Sets, reps, weight, supersets, rest. Every set type you use
- Muscle maps show what each program hits
- Autosave and drafts. Nothing gets lost
- Export a clean A4 PDF with muscle heatmaps
Booking & calendar
A real booking engine. Not just a calendar.
- Public booking page with your logo and your URL
- Availability per instructor. Recurring hours or one-off slots
- Lead times, buffers, and capacity enforced automatically
- Confirm or decline straight from the email
- Move a session to a colleague in two clicks
- PIN-protected calendars for members
Training plans
Build the plan once. Your clients stay weeks ahead.
- Weekly or rotating cycles, 2 to 14 days
- Each client is scheduled four weeks ahead, automatically
- Edit the template and every active follower updates
- Adjust one client and leave the rest alone
- Pause and resume. History stays intact
Exercise library
1,300+ exercises, in English and Danish
- Images, GIFs, and video on every exercise
- Search instantly. Filter by muscle group, equipment, or level
- Add your own exercises with an interactive muscle map
- Write in one language. The other is translated for you
- Share with your team or keep them private
See ChalkHands in action
From booking to finished program — in 24 seconds.
Why trainers choose ChalkHands
The small things you’d otherwise do by hand.
Clients without logins
Send a private link. Your client opens the program, logs their sets, and gets rest timers. No account needed.
Automatic translation
Write your exercises in English or Danish. The other language is filled in for you, with the right training terms.
PDFs with muscle maps
Print-ready A4 programs with heatmaps of the muscles worked. For the wall or the inbox.
An app on your phone
Install it on your phone. Full features on mobile, tablet, and desktop. Comma decimals and kg or lb, both handled.
The client experience
Your clients just show up and train
Booking, programs, and progress, right on their phone. They tap your link and start.
- Book a session straight from your public page
- Follow the program step by step with rest timers
- See last session’s numbers while they train
- Cancel within your deadlines. No phone call needed
A client app for iOS and Android is on the way.
Up and running in fifteen minutes
- 1
Build your first program
A built-in tour walks you through the program designer and your first plan.
- 2
Share it with your clients
Send a link or a PDF. Your client opens it and starts right away.
- 3
Open your calendar
Set your availability, share your booking page, and let clients book themselves.