Now on the App Store

The training app for hybrid athletes.

Lifts, runs and Hyrox sessions in one log. A readiness score every morning and an AI coach that adapts each session to how you recovered.

Free to download. Android beta: join the waitlist

ZON live workout with sets, weight, reps and a circuit
ZON Train screen with the week strip, today's session and the to-do list
ZON daily readiness brief with sleep, HRV and soreness

Built for

  • Hyrox
  • Running
  • Powerlifting
  • Cross-training
  • Bodybuilding
  • Weightlifting
  • OCR

How ZON works

One app for your whole training week

Train, recover and adapt without juggling a gym logger, a running app and a spreadsheet.

Every session, one log

Strength sets with RPE and a rest timer, GPS runs with live pace, Hyrox circuits with stations. The workout player switches mode for you.

ZON live workout player during an incline dumbbell press

Know when to push

Each morning, sleep, HRV, soreness and training load become one readiness score, with a clear call: push, hold or recover.

ZON readiness score of 62 with a rest day recommendation

A coach that adjusts

When your load or recovery shifts, ZON rebuilds the next session instead of repeating the plan, and explains why.

ZON AI-generated running support session with its reasoning

Inside the app

Everything a serious athlete needs

The foundations you expect from a training app, and the tools hybrid athletes were missing.

AI form check

Film a set and get cues on depth, joint angles and bar path in seconds.

Stats and PR hall

Heatmaps, strength curves and every record, with a projection of your next max.

ZON stats screen with performance charts

Import any program

Snap a PDF, a screenshot or a coach's handout. ZON rebuilds the full plan, ready to train.

Social feed

Share your sessions to your feed, follow other athletes' training and message them.

Apple Watch, Health and offline

Log from your wrist, sync sleep and HRV from Apple Health, and train with no signal. Everything syncs later.

Nutrition that follows training

Snap a meal for its macros, with targets that move with your training days.

“Honestly I was just using my Apple notes to track my strength training for years because every other fitness app felt like too much work. Tried Zōn on a whim and I'm hooked. It's so much easier to log my weights and check my past reps without scrolling for days. The workout tracker interface is clean, and I really dig that it ties in nutrition too. 10/10 would recommend if you actually want to see progress.”
T2K0, From the App Store

FAQ

Questions before you download

Is ZON free?

Yes. ZON is free to download and to log your training. ZON Pro adds AI-generated programs, predictive analytics, AI form analysis, automatic post-workout analysis and your full training history. It is billed by the App Store and you can cancel anytime in your Apple settings.

Does ZON work for Hyrox training?

Yes. You can log runs and all eight Hyrox stations in the same session, build full simulations, and follow your splits and training load across the season.

How is ZON different from a gym logger like Hevy or Strong?

ZON logs strength and running in the same place, then uses your recovery data to adapt what comes next. Logging a set stays as fast as in a classic gym app.

Is ZON available on Android?

ZON is live on the App Store for iPhone. The Android app is in beta: join the waitlist and we will send you access.

Does it work with Apple Watch and Apple Health?

Yes. You can log from Apple Watch, and ZON syncs sleep, HRV, energy and workouts with Apple Health to compute your readiness.

Can I bring my current program?

Yes. Take a photo or upload a PDF or screenshot of your program and ZON rebuilds it as a structured plan you can train from.

Where is my data stored?

Your data is hosted in Europe, and you can delete your account at any time from the app settings.

Your next session starts here.

Download ZON for free on the App Store. On Android? Join the beta waitlist.

ZON: Strength, Running and Hyrox Training in One App