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Duosis
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Blumenau, SC — Brasil
For personal trainers

The app that gets your client training properly.

You build the workout on your phone. They run it with an automatic rest timer, logging load and reps as they go. You see all of it — without having to ask.

No spreadsheets. No PDFs. No chasing screenshots. The workout lives in the app.

  • Free forever with 1 client
  • No credit card
  • No lock-in
  • iPhone and Android

Everything you need to prescribe. Nothing you won't use.

Your library, your way

Build a library of exercises with video, images and written cues — and reuse it across every client, forever. Add the bench press once, use it in fifty workouts.

An A/B/C split in minutes

Pick the exercises, drag to reorder, set reps, sets and rest. A full workout takes under two minutes — and becomes a template for the next client.

The right workout on the right day

You plan the week: A on Monday, B on Wednesday, C on Friday. They open the app on Wednesday and see B. Only B. No guessing, no wrong pick.

You're there without being there

Set finished, the rest timer starts on its own and buzzes when it's time to go again. Load, reps and RPE logged in two taps. Rest becomes part of the method.

Progression stops being guesswork

Every load lifted is recorded. You can see exactly what they were doing three months ago, their weekly volume and their real frequency. The progression conversation now has numbers in it.

One click and they're in

Type their email and send. They get the invite, install the app and land connected to you. No codes, no manual setup, no explaining it over voice notes.

You're not signing anything. You're downloading an app.

  • Free forever with 1 client
  • No card to start
  • No lock-in
  • Cancel in one tap
  • Servers in Brazil
  • LGPD compliant
  • Encrypted in transit and at rest
  • We don't sell your data

Your next session could start from your pocket.

Download it free, add one client and build your first workout today. If it hasn't made a difference in a week, delete it — you're out ten minutes.

Free forever with 1 client · No card · No lock-in