AI training planner · iOS & Android
Train with a plan built around you.
Tell BuildYourself your goal, how many days you can train and what equipment you have. It drafts a weekly plan, checks it, and keeps every set you log in one place.
Everything between the plan and the progress
Planning, logging and reviewing live in the same app, so nothing gets lost in a notes file.
AI-generated weekly plans
A multi-step AI workflow drafts your plan, reviews it against your constraints and revises it before you ever see it.
Exercise library with video
Browse a curated catalog with demonstration videos, or add your own exercises with the details you care about.
Fast set logging
Record weight, reps and notes in a couple of taps, with a built-in rest timer between sets.
Live Activity on iPhone
Keep your session and rest countdown on the Lock Screen without reopening the app.
History and trends
Daily logs, per-exercise history and volume charts show whether you're actually moving forward.
English, 中文, Español
The whole app, including the exercise catalog, is available in three languages.

Meet Lumo
A training buddy that grows with you.
Lumo lives in the app and keeps you company from your first session on. The more consistently you train, the brighter it gets.
Hatches as you train
Lumo starts as an egg and cracks open a little more every five workout days until it hatches.
Thrives on consistency
Keep your streak and Lumo stays bright. Miss too many days and it gets tired, then falls asleep until you're back.
Cheers you on
Finish a session and Lumo celebrates. Pause too long mid-workout and it gives you a nudge.
Ask Lumo anything
Questions about your plan, an exercise or recovery? Chat with Lumo, your AI coach.
From goal to first session in minutes
- 01
Tell it about you
Your goal, training days per week, available equipment and anything to work around.
- 02
Get a reviewed plan
The AI drafts a week of training, checks it for balance and fit, then formats it for you.
- 03
Train and track
Follow today's session, log your sets, and edit the plan whenever life changes.
Frequently asked questions
Is BuildYourself free?
Yes. Creating, editing and following plans, and logging workouts, are free. A Pro membership adds adaptive plan suggestions.
Do I need gym equipment?
No. You tell the app what you have — from a full gym to nothing at all — and the plan is built around it.
Can I change the plan the AI gives me?
Always. Every plan is editable: swap exercises, change sets and reps, or move training days.
How is my data handled?
Your training data is used to run the app and personalise your plans. It is never used for tracking or advertising. See the privacy policy for details.Privacy policy
How do I delete my account?
From the app's profile settings, or through the account deletion page linked on our support page.
Your next session is already planned.
Download BuildYourself and get your first plan today.
