Booking calendar for fitness classes

Scheduling gains without the pains. Begin with OskarOS.

Booking calendar for fitness classesGuillaume 36, Gym manager

Elevate your gym's operations with OskarOS. More than just a booking system, OskarOS is your partner in efficiency, designed to streamline class schedules and boost client satisfaction. Focus on your fitness passion while we handle the rest.

Transform your fitness class management

Unlock the power of a seamless booking calendar for fitness classes

Gym and fitness center managers face unique challenges in scheduling, client management, and operational efficiency. With OskarOS, streamline your booking process, enhance client experience, and stay ahead of the competition.

Quick setup

Get started in 2 minutes, no tech skills needed.


Tailor the system to fit your gym’s needs easily.


Enjoy a seamless experience for both clients and admins.

Responsive support

We listen and act fast to support your success.


Grow your classes with a platform that adapts to your needs.

Professional image

Showcase a polished interface to attract clients.

Take your gym to the next level

Revolutionize your gym operations with OskarOS

OskarOS integrates scheduling, client management, and operational tools into one powerful platform. Manage your fitness classes effortlessly and provide a superior experience for your members, all from a single dashboard.

Everything you need, all in one place

Comprehensive features of OskarOS

OskarOS offers a suite of features designed to meet the diverse needs of gym and fitness center managers. From scheduling and client management to marketing integration, we’ve got you covered.

Responsive booking page

Give your clients a seamless booking experience with a mobile-friendly and tailored booking page.

Simple booking management

Effortlessly track all your bookings to manage capacity and stay organized.

Quick resource setup

Quickly add and configure your resources making them bookable.

Appointment reminders

Cut no-shows with automated appointment reminders.

Group bookings

Schedule group sessions, allowing clients to book for themselves or their whole group with ease.

Event and course planning

Under revision: Organize single or recurring events, courses and classes.

Event participant tracking

Easily organize events and courses with an auto-generated list of participants, right in your calendar.

Advance booking settings

Determine how far in advance clients can schedule, perfect for managing long-term planning and availability.

Ready to transform your bookings?

Set up your custom booking page in just 2 minutes

Convert visitors into clients effortlessly with OskarOS. Easily integrate our booking calendar directly into your website with a simple script, and watch your client base grow.

Booking system for fitness classes


User-friendly software,
wallet-friendly prices



Get started FREE
  • Up to 3 resources
  • Up to 100 bookings per month
  • Customizable booking page
  • Basic booking settings
  • Payments


$7.50/month and resource

Coming soon
  • All functions from FREE
  • Unlimited resources
  • Up to 1000 bookings per month
  • Advanced booking settings

Frequently asked questions

Looking for a free booking calendar for fitness classes?

Start with OskarOS and discover the benefits of our booking calendar for fitness classes. Manage up to three resources absolutely free and see how it transforms your gym’s operations. Don't wait, enhance your professional capabilities today! Optimize your scheduling and client satisfaction effortlessly with OskarOS.