© 2026 kast
train from where you are.
a fresh workout every day, built from what you have actually trained and recovered. no rigid program, no falling behind.
- 📅a fresh plan every day, from your real recovery
- 😌skip days, never fall behind
- 💪muscle-by-muscle volume tracking
- 📈estimated 1rm and a strength curve for every lift
- 🔄swap exercises, build and save your own days
- 🏋️tailor it to the equipment you have
- 🔔gentle reminders, works on any phone