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AI Workout Planner

An AI-built workout plan that adapts with you

Build your own personalised program based on your goals and equipment, track your progress and recovery with an AI coach.

Download on the App Store

Foundation pricing now available for new members

Zena app Today screen showing an AI-generated Full Body strength session and recent personal bests for deadlift and squat
Zena app progress screen showing an 8-week bench press trend chart with working weight, estimated 1-rep max, and recent logged sets

How it works

AI that keeps learning (not just generating)

Built by AI, around you

Tell Zena your goals, your equipment, and your current strength. Its AI builds a full program around exactly that — not a generic template pulled off a shelf.

Keeps adjusting after it's written

Sleep, HRV, resting heart rate — read before every session, so the plan an AI wrote on day one keeps updating with you, not just sitting there unchanged.

See your progress

Personal bests, working weight, and trend lines — tracked automatically, so progress is something you can see, not just hope is happening.

Already built a plan with ChatGPT?

Import it — Zena adds the layer AI chat can't: recovery data, automatic progression, and a memory of every session.

Answer a few questions

Your AI-built program, ready in minutes

Tell Zena your goals, your equipment, and your current strength. Its AI builds a full multi-week program around exactly that — not a generic template, not a copy-paste plan pulled from a database of one-size-fits-all workouts.

Zena app showing an AI-generated 4-week Pull-Up Development Block program, with each day's workout laid out for the week

Where AI chat plans stop, Zena keeps going

A plan that keeps reading how you're recovering

A ChatGPT-written plan is frozen the moment it's generated — it has no idea how you slept, whether HRV is down, or if a lift has stalled. Zena reads sleep, HRV, resting heart rate, and a proprietary waking heart rate signal every day, so the plan adjusts with you, not just on the day it was written.

Zena app readiness screen showing a score of 52, an 'Ease back today' recommendation, and the HRV, sleep, and cycle data behind it

Get real-time feedback

An AI coach built into every workout

See past performance, and get in-app reminders when you're ready to go up in weight — based on your actual performance and recovery data, not a script written weeks in advance.

Zena app workout logging screen for a Deadlift & Glute Focus session, showing set-by-set weight and rep targets with a note on why the starting weight was chosen

AI that keeps learning about you. Not just AI that writes a document once.

Plenty of AI tools can write a workout plan in seconds now — that part is easy. The harder problem is week four, when your recovery has changed, a lift has stalled, or life got in the way for two weeks. Zena's AI doesn't stop at the plan — it keeps reading how training is actually going and adjusts accordingly.

Ready to try Zena's AI workout planner? Start your free 14-day trial.

Download on the App Store

Common questions

Everything to know before you try an AI workout planner

Most "AI workout planners" really just generate a document once and stop there — a list of exercises, sets, and reps that doesn't know anything about you after the moment it was written. That's a reasonable starting point, but it's not the same as a plan that actually keeps working as you train.

What is an AI workout planner?

A tool that uses AI to generate a training program based on inputs like your goals, experience, and equipment — instead of you designing sets, reps, and exercise selection from scratch, or picking from a generic template.

How is an AI workout planner different from just asking ChatGPT for a plan?

A general chat AI can write you a plan, but it's a one-time document — it doesn't track what you actually lifted, and it has no way to know how you're recovering next week. Zena is built specifically to keep reading your training and recovery data after the plan is written, and updates it accordingly.

Is an AI workout planner actually personalized, or just a template with your name on it?

It depends on the tool. Plenty of "AI" planners still pull from a fixed library of programs and just swap a few variables. Zena builds around your specific goals, current strength, and equipment, and — from day one — factors in how you're recovering, not just what you typed into a form once.

Can an AI workout planner adjust if I'm tired or sore?

A good one should. Zena reads sleep, HRV, resting heart rate, and a proprietary waking heart rate signal before each session, and gives a specific recommendation — push, ease off, or rest — rather than handing you the same numbers regardless of how you're actually doing.

Is there a free AI workout planner?

Zena comes with a free 2 week trial, so you can generate your own program and see how it adapts before deciding if it's right for you.

Can I import a plan I already built with ChatGPT or another AI tool?

Yes! If you've already got a plan from ChatGPT, a trainer, or a spreadsheet, import it — Zena adds the coaching and tracking layer on top: automatic progression, recovery-based adjustments, and a memory of every session.

How often does an AI workout planner update the plan?

The exercises and overall structure typically hold for a 4–6 week block. The details that should change more often — weight, reps, whether to push or ease off — should update every session based on how you're recovering, not wait for a full plan rewrite.

The only competition
is past you.

No leaderboards. No benchmarks against anyone else. Progress is measured against one person only — you.

Available now

Start your free 14-day trial today

Strength training built for your goals, your equipment and your body. Download Zena and start your first program in minutes.

Available now for iPhone.