GymAdapt: a trainer in your pocket, free to start
Tell it your goal, schedule, equipment and injuries. It writes the plan, demonstrates every lift, and tracks every set. Ask the coach "my gym is packed, swap the bench" or "I only have 30 minutes" and it rewrites the session. Pro ($4.99 a month) removes the weekly limits.
A personal trainer does five things: writes your program, teaches you the movements, decides your weights, adjusts when something comes up, and makes you show up. Apps now cover the first four surprisingly well. The fifth is still mostly on you.
What a trainer does, and which app does it free
| Trainer job | GymAdapt free | Nike Training Club | Planfit free | Boostcamp free | ChatGPT |
|---|---|---|---|---|---|
| Writes your plan | Yes | Programs | Yes | Programs | Yes (text) |
| Shows the exercise | Video per lift | Video classes | Yes | Some | No |
| Picks your weights | First 30 days | No | Paid | Program rules | No |
| Adjusts on request | 5 coach msgs/week | No | Paid | No | Yes, but no logging |
| Tracks your sets | Yes | No | Yes | Yes | No |
Free features as of October 2026.
The best free personal trainer apps
1. GymAdapt (our app)
Free: An AI-built plan, unlimited workouts, a video for every lift, logging, 3 AI plans and 5 coach messages a week, and 30 days of adaptive weights.
Paid: Pro $4.99/month or $24.99/year (7-day trial), or $79.99 lifetime. Code TRYFREE01: a month of Pro free.
2. Nike Training Club
Free: Everything: trainer-led video workouts and multi-week programs.
Paid: Nothing. It is free.
3. Planfit
Free: AI plan and logging.
Paid: Real-time coaching and progression are paid, from about $79.99/year.
4. Boostcamp
Free: Thousands of programs, logging, rest timer, plate calculator.
Paid: Pro $59.99/year adds exclusive programs and analytics.
When a human trainer is worth paying for
- You are learning complex lifts (squat, deadlift, Olympic lifts) and want eyes on your form.
- You are coming back from an injury and need someone to work with your physio.
- You know you won't go unless someone is waiting for you.
A middle path many people use: book two or three sessions with a trainer to learn the main lifts, then run your program in an app. You get the form check once and the planning every day.
How to get the most from a free coach app
- Be honest in the setup: real days, real time, real injuries.
- Watch the demo the first time you do each exercise.
- Log every set, even the bad ones. The app can only adjust to what it sees.
- Ask the coach when something changes, instead of skipping the workout.
- Judge it after 4 weeks: are your numbers going up?
GymAdapt is free to start. Want Pro free for a month?
The free version gives you an AI-built plan and unlimited workouts. Code TRYFREE01 adds a full month of Pro: weights that adjust from what you log and unlimited coach chats.
Redeem the free month → Opens the App Store with the code filled in. iPhone only. After the month it's $4.99/mo unless you cancel in Settings, and the free version stays yours either way.Questions people ask
Is there a free personal trainer app?
Yes. GymAdapt's free tier plans your workouts, shows every exercise, adjusts your weights for your first 30 days and includes 5 AI coach messages a week (our app, iPhone only). Nike Training Club is completely free for video workouts.
Can an app replace a personal trainer?
For planning, progression and day-to-day changes, mostly yes. For hands-on form correction, injury rehab and accountability in person, a human trainer is still better.
What is the best free AI personal trainer?
For gym training, GymAdapt has the most complete free tier. Planfit is a good free option on Android.
Is Nike Training Club really free?
Yes. Nike Training Club has no paid tier. It is best for guided classes and dumbbell or bodyweight work; it doesn't track the weights you lift.
How does the GymAdapt AI coach work?
You message it like a trainer: "swap squats, my knee hurts", "make today 30 minutes", "add arms on Friday". It changes the workout and asks whether to apply it just for today or keep it in your program.
A coach, not just a counter, free to start
GymAdapt builds your plan and raises your weights from what you log. Free to start; code TRYFREE01 adds a month of Pro.
Get GymAdapt on the App Store → Free to start. Pro is $4.99 a month or $24.99 a year (7-day free trial), or $79.99 once for lifetime. iPhone only. In English, Spanish, Portuguese, French, German and Japanese.