The personal trainer software that builds routines with AI, tracks every client and grows your business.
14 days free. No card required.
Trusted by 1200+ personal trainers across 20+ countries
Add a client, create the routine and connect each logged session to the next adjustment.
Invite them by link, WhatsApp, email or QR. They confirm and join your panel.
Generate it with AI, build by hand, import the one you already have or reuse one. Edit days and sets anytime.
Alerts, metrics and progress in one place. The routine adapts on its own.
They see today's routine, log kg × reps and finish. It all stays in sync.
Want to talk to someone on the team and see how it fits your case? Book a demo
Stop jumping between spreadsheets, WhatsApp and scattered apps. Kaizer brings your operation together and AI handles the repetitive work.
Metrics
Clients
Assistant
Chat
Both apps
Alerts
Progressive overload
Payments
MarketplaceSwipe to explore
Kaizer brings what you do today with templates, WhatsApp, Excel or PDFs into one platform, and it adapts on its own.
Templates + WhatsAppExcel / PDFsCreating a routineAI drafts the base, you adjustGeneric template, retouchedCell by cell in ExcelClient trackingEvery set logged in the appLoose screenshots and voice notesTyped up by hand after trainingScaling upCentralized programming and trackingCapped by your hoursEvery client adds hoursFixing something away from your deskYou open the coach app and edit the routineYou answer the chat; the change waitsYou note it down for laterAsking the platform for somethingYou say it by voice or text and it runsThere is nobody to askYou do it yourself, by handAutomatic progressive overload1RM recalculated after every sessionEarly churn alertsNative client appRetention metricsTrainer marketplacePayment tracking and remindersBring what you already haveTime per routineAssisted workflowManual editingManual editingA training app with an integrated AI assistant that operates the platform by text or voice, with the coach always in control. Pick a request and watch it work.
Build Lucía a hypertrophy routine
Done. Four days, scaled to her level and saved as a draft.
Hypertrophy · 4 days
Ask the assistant…
In the press and among the trainers already coaching with Kaizer every day.
Kaizer solved the hardest parts of my job: structure, planning and real tech that works, backed by an incredible team.
Kaizer: hyper-personalized AI to transform training.
Emprelatam
Kaizer makes planning and tracking simple: every athlete in one place, easy for me to manage and for them to use.
Argentines build the first AI personal trainer.
iProUP
Using Kaizer organized and simplified my work. I no longer dig through 700 spreadsheets to find my clients.
Kaizer: hyper-personalized AI to transform training.
EmprelatamJust by using Kaizer, all your clients unlock perks across hundreds of fitness, wellness and health brands. They win and thank you for it; we handle it.
It's not just your work that gets easier. So does the experience of everyone training with you.
I used to get an Excel I couldn't read. Now I open the app and know exactly what's on for today.
Logging kg and reps takes a second. Watching myself go up week after week keeps me hooked.
My routine, the videos and the chat with my coach are all in one place. It feels far more professional.
I don't have to guess the weight — the app already tells me where to start each session.
Having everything on my phone changed my routine. I get to the gym and the app already knows what's next — no papers, no screenshots.
Every exercise has its video right there. If I'm unsure about my form, I check it before the set.
I'm new to the gym and the videos give me confidence. I do every exercise knowing I've got it right.
I love seeing the history of each exercise. Knowing what I lifted last time pushes me to go for more.
I message my trainer from the same app and he replies with my routine open. Questions get solved on the spot.
I always looked for a trainer who got me. In the Kaizer marketplace I found one who actually adapts to me.
I didn't know anyone to train with online. I filtered by goal in the marketplace and found my trainer in minutes.
I spent years jumping between generic plans. The marketplace connected me with a real coach who follows me closely.
Training in an app like this motivates me. Seeing my progress laid out keeps me from skipping a day.
My trainer used to send everything over Excel. Moving to Kaizer feels like a far more premium experience.
Even with my coach next to me, I log every set in the app. Then I can review the session whenever I want.
Opening the app to a ready-made day removed the friction of starting. I've never been this consistent.
I moved and kept the same trainer through the app. Distance stopped being a problem.
I leave my trainer notes on each session and he tweaks my routine. You can tell he's on the other side.
My routine, the videos and the chat with my coach are all in one place. It feels far more professional.
I don't have to guess the weight — the app already tells me where to start each session.
Having everything on my phone changed my routine. I get to the gym and the app already knows what's next — no papers, no screenshots.
Every exercise has its video right there. If I'm unsure about my form, I check it before the set.
I'm new to the gym and the videos give me confidence. I do every exercise knowing I've got it right.
I love seeing the history of each exercise. Knowing what I lifted last time pushes me to go for more.
I message my trainer from the same app and he replies with my routine open. Questions get solved on the spot.
I always looked for a trainer who got me. In the Kaizer marketplace I found one who actually adapts to me.
I didn't know anyone to train with online. I filtered by goal in the marketplace and found my trainer in minutes.
I spent years jumping between generic plans. The marketplace connected me with a real coach who follows me closely.
Training in an app like this motivates me. Seeing my progress laid out keeps me from skipping a day.
My trainer used to send everything over Excel. Moving to Kaizer feels like a far more premium experience.
Even with my coach next to me, I log every set in the app. Then I can review the session whenever I want.
Opening the app to a ready-made day removed the friction of starting. I've never been this consistent.
I moved and kept the same trainer through the app. Distance stopped being a problem.
I leave my trainer notes on each session and he tweaks my routine. You can tell he's on the other side.
I used to get an Excel I couldn't read. Now I open the app and know exactly what's on for today.
Logging kg and reps takes a second. Watching myself go up week after week keeps me hooked.
1200+ trainers already coach with Kaizer
To get started: routines, tracking and the client app.
USD 4/mo billed annually
Start 14 days freeFor the coach who lives off this and wants to grow.
USD 16/mo billed annually
Start 14 days freeFor a lot of clients at once, with the platform doing the work.
USD 41/mo billed annually
Start 14 days freeFor operations with hundreds of clients, no ceiling.
USD 124/mo billed annually
Start 14 days freeTo get started: routines, tracking and the client app.
USD 4/mo billed annually
Start 14 days free1200+ trainers already coach with Kaizer
