Uncover the ways Postra AB (the company) bills you and cancel your Stark Gym Ball subscription.
Note before cancelling:
1. - While working out, follow the step by step workout-feature which take you through the workout using timers and your chosen specifics.
2. - The timers support different workout types including Tabata, HIIT and Circuit training.
3. Exercises are performed by the professional instructors Benjamin Sällström and Jenny Ahlin.
4. - Find exercises targeting specific muscle groups.
5. Integration with Apple Health: Save burned calories and performed workouts.