How can we help you?
Browse the answers below or write to us directly. We reply within 24 hours.
Answers to common questions
Using the app
How do I get the ZON app?
ZON is free on the App Store for iPhone, with an Apple Watch companion. Download it, create your account and set up your profile in a few minutes. Android is in beta: join the waitlist on the Android page and we will email you when it opens.
How does the daily check-in work?
Each morning, log your sleep, soreness and how you feel in a few taps. ZON combines it with your HRV and recent training load into a readiness score, then suggests whether to push, hold or recover. The AI copilot adapts the day's session to match and explains why.
Can I bring my current program into ZON?
Yes. With Magic Import, take a photo, upload a PDF or share a screenshot of your program and ZON turns it into a structured plan with exercises, sets and reps that you can start right away.
Does ZON work with Apple Watch and without signal?
Yes. You can log sets from your Apple Watch, your sessions sync with Apple Health, and the app works offline, so a gym with no signal never stops a session. Everything syncs when you are back online.
How does the social feed work?
Share a finished session to your feed and follow other athletes to see theirs. You can search for athletes by name and message them from your inbox.
Where is my data stored, and how do I delete my account?
Your data is hosted in Europe. You can delete your account and its data at any time from the settings in the app.
ZON Pro and billing
Is ZON free?
ZON is free to download. ZON Pro is an optional App Store subscription that unlocks AI-generated programs, predictive analytics, AI form analysis, automatic post-workout analysis and your full training history. If a free trial is offered, its terms are shown in the app before you subscribe.
How do I switch ZON Pro plans?
ZON Pro is billed by Apple. On your iPhone, open Settings, tap your name, then Subscriptions, select ZON and pick another plan. Apple applies the change according to its own rules.
How do I cancel ZON Pro?
Open Settings on your iPhone, tap your name, then Subscriptions, and cancel ZON. You keep Pro until the end of the period you paid for. Deleting the app does not cancel the subscription.
Where are my receipts, and how do I get a refund?
Apple handles payment for ZON Pro, so receipts are sent by Apple to the email of your Apple ID and listed in your App Store purchase history. Refunds for App Store purchases follow Apple's policies: request one directly from Apple.
Still stuck? Write to us.
We reply within 24 hours on weekdays. If something is not working, tell us your iPhone model and what you were doing when it happened.
support@justzon.com