Need help? Email heck@kingkillers.co and we'll reply within 2 business days.
How do I restore a subscription?
Open the upgrade screen (tap any locked Pro feature) and tap Restore Purchases. Be signed in to the same Apple ID used for the original purchase.
How do I manage or cancel my subscription?
On iPhone: Settings → tap your name → Subscriptions → Fight Camp Training. Cancellations take effect at the end of the current billing period.
How do I connect a heart-rate monitor?
In the Round Timer, tap the Bluetooth icon and choose your Bluetooth LE chest strap (Polar, Garmin, etc.). Make sure Bluetooth is enabled.
How do I sync to Apple Health?
Settings → Sync to Apple Health, then allow access. New workouts and weigh-ins you log are saved to the Health app.
How do I back up or sync my data across devices?
Create an account (email or Sign in with Apple). Your training data then backs up and syncs automatically. Without an account, everything stays on your device.
See our Privacy Policy and Terms of Service.