In developmentAndroid, Wear OS, iPhone and Apple Watch

A science-based strength program that adapts to you.

Reppex writes your program from a few questions, grounded in training research, then keeps adapting it to what you lift, how you recover and the days you can train. Run the session from your phone or your watch, and see the reason behind every change.

Today: the planned session, Upper A, with a Start button

Today during a session: resting between sets, with a Back to session button

Exercise detail: a muscle map showing the primary and secondary muscles, and your numbers

Session done: duration, sets, a new record and the loads for the next session

Reppex on a Wear OS watch: set 4 of 4, the load lowered by 2.5 kg, with an Undo

How it works

A coach on your wrist, not a logbook.

Most gym apps record what you did and leave the next session to you. Reppex is being built to write the program and adjust it from what happened.

1. The plan

It writes the program.

Answer a few questions about your goal, your experience, your equipment and the days you can train. Reppex builds the program from that, exercise by exercise, on principles from training research.

Onboarding question: What is your main goal? Strength, hypertrophy, both, or general fitness

2. The session

The watch runs the session.

The next set, the load, the rest timer and logging are all on the watch. Leave the phone in your bag, or at home. The session works with no network and syncs when you are back.

Watch set card: set 1 of 4, barbell bench press, 60 kg, 8 to 12 reps, Start set

Watch rest timer at 2:27 with buttons to add or remove 15 seconds

3. The adjustment

Every change comes with a reason.

When the next set changes because of the last one, you see a one-line reason and an Undo. You should know why the app did something, and be able to say no.

The logger mid session: set 1 ended at RIR 0, so set 2 is lowered to 57.5 kg with the reason and an Undo

4. The bad day

A bad day stays a bad day.

Not every session is a fair test of what you can do. When one should not count, your program stays where it was, and Reppex tells you why.

Cut shortYou had to stop early
RushedToo little rest between sets
Not your dayTired, sore or short on sleep

Everything around the workout, too.

The program is the heart of it. These are the things you see the rest of the week.

The Dashboard strength trend: the barbell back squat estimated one-rep max at 112.5 kg, up 7.5 kg since August

Your progress at a glance

A Dashboard with your week, your strength trends, body measurements and progress photos.

Records you earned

Personal records, streaks and achievements, counted from real sessions.

On your wrist and home screen

A watch tile and a phone widget show today's session before you open the app.

Your own workouts

Build and save your own workouts, and run them from the watch like any other.

Back after a break

Time away is planned for. Reppex eases you back in instead of starting where you left off.

Health Connect

Finished workouts can be shared with Health Connect, alongside the rest of your health data.

A review every block

At the end of each training block, a look back at what moved and what is next.

Your data, yours

Export everything you recorded, any time, or delete it.

For coaches

Coaching, without the spreadsheet.

Reppex is being built for coaches and the people they train as well as for lifters on their own.

A client's week in Reppex: two of four sessions done, 27 sets and 1 h 38 of training

All your clients in one place

Manage every client from one system, at the gym or from home.

A program that runs itself

Reppex suggests changes and adapts each client's plan, and needs you only when you choose to step in.

Step in when you want

Edit a client's program, approve each new training block, or leave it on autopilot.

Follow sessions live

See what a client is doing as it happens, give direction and fine-tune the workout in the moment.

Clients can invite their coach

Training on your own and want a second pair of eyes? Invite a coach to follow your progress.

Private between the two of you

Comments between a coach and a client stay in a private channel, not a social feed.

Progress

Where the build is.

Reppex is built by Kymonic Studio. Here is where it stands.

In development

Foundation

The brain that builds your program and adapts it.
The core

Everything that makes up your training, on your phone and your watch.
Final polish

The finishing touches before release.
Launch

Testing, then the app stores.

Questions people ask first

When can I try it?

There is no date yet. Leave your email and you will get one message when there is something to try.

What will it run on?

For Android phones and Wear OS watches, and iPhone and Apple Watch.

I am a coach. Can I use Reppex?

Yes. Reppex is being built for coaches and their clients too. A coach can manage clients, edit their programs and follow their sessions, and a client can invite their own coach.

What will it cost?

Prices are not final. They will be on this page before release.

What happens to my training data?

Your sessions and your program are kept in your account, because that is where your program is written and adjusted, and so you can restore them on a new phone. Health details, like your bodyweight, are used only if you agree. Usage statistics and crash reports stay off unless you turn them on. You can export or delete everything at any time.

Which languages?

The app starts in five languages: English, Arabic, German, Spanish and Brazilian Portuguese. More languages are planned for later.

Who is making it?

Reppex is made by Kymonic Studio, the studio behind Audex. Follow the build on the accounts below.