Available on iOS
BRING YOUR
OWN
COACH
Take your time back.
Tell it how long you've got. It builds the session. You train. Coaching logic built on 14 years of competitive bodybuilding — not AI guesswork.
Take your time back.
Tell it how long you've got. It builds the session. You train. Coaching logic built on 14 years of competitive bodybuilding — not AI guesswork.
No subscription required to get started. No accounts. No onboarding questionnaires. Just tell the algorithm what you need.
Slide to how long you have — 15 to 90 minutes. Time is a constraint, not a driver of volume. A longer session means better rest, not more exercises.
Strength, Muscle Growth, or Fat Loss. Each goal changes the rep scheme, exercise selection, and session structure — not just a label.
Choose which groups to train. The algorithm handles the rest — compounds first, largest groups first, movement patterns balanced and sequenced correctly.
Gym or home, 15 minutes or 90 — every screen designed to be usable with one hand, mid-session, no matter where you train.
Session builder
Active session
Ask the Coach
Intensify
Exercise swap
Form cues
Saved session
Session feedback
Weekly split planner
Exercise library
Trophy cabinet
The session generator runs on deterministic programming logic — not AI generation. Every decision has a reason. Every exercise earns its place through mechanical demand and proven stimulus. Every session is auditable.
Within any muscle group, compound movements lead and isolation work follows. They demand the most energy and neural drive — they never get compromised by prior fatigue.
When a session trains multiple groups, the biggest leads. Back before biceps. Chest before triceps. Always.
Exercise order isn't arbitrary. Angles vary, squeeze and stretch emphasis alternate, and the algorithm avoids stacking redundant movement patterns back to back.
More time means longer rest between quality sets — not more exercises. The algorithm never compromises execution quality for volume.
I built the coach I wished I'd had access to at the start.
BYO Coach is the distillation of 14 years of competitive bodybuilding, formal study across biophysics, biomechanics and physiotherapy, and over a decade of working with athletes of every level.
Most people don't need a personal trainer every session. They need the programming logic that a good coach applies — without the guesswork, the filler exercises, and the generic plans that ignore how much time they actually have.
That's what this is.
The core algorithm is free — forever. Pro unlocks the coaching intelligence layer.
Everything you need to train smarter from day one.
AI coaching intelligence — personalised to your training history.
Free to download. No account required. Train in 30 seconds.
Download on App StoreiOS only · Free to download · No account required