Guides
How to pick your working weight, how many sets build muscle, a 3-day plan that works — and honest comparisons of AI personal trainer apps.
- An AI coach that guides every setHow Gloox's coach runs your workout
- Best AI personal trainer apps in 2026Gloox, Fitbod and Hevy side by side
- Gloox vs FitbodA coach in the session or a workout generator
- Gloox vs HevyA coach or a log
- How to choose your working weightReps in reserve, warm-up sets and when to add weight
- How many sets do you need to build muscle?Weekly sets per muscle, by level
- A 3-day workout plan that worksFull-body plan for the gym, with sets and reps