About TimeBurn

TimeBurn is a cross-platform interval timer application designed for fitness professionals and gym owners. Create customizable interval timers with synchronized countdown between your iPhone and Apple Watch, perfect for HIIT workouts, circuit training, and any time-based fitness routines.

📱 Cross-Device Sync

Seamlessly synchronized timers between iPhone and Apple Watch

⚡ Customizable Intervals

Set custom active/rest durations and round counts (including infinite rounds)

🔔 Audio Cues

Optional bell sounds at phase transitions to keep you focused

🎵 Volume Control

Reduce iPhone music volume by 50% directly from your Apple Watch

Frequently Asked Questions

How do I sync timers between my iPhone and Apple Watch?
Timers automatically sync between devices when both apps are installed and your devices are paired. Make sure both devices have TimeBurn installed and are connected.
Can I create infinite round timers?
Yes! Set the number of rounds to "∞" (infinite) to create timers that run continuously until you manually stop them.
How does the volume control feature work?
When music is playing on your iPhone, you can use the volume button on your Apple Watch to reduce the iPhone's volume by 50%, making it easier to hear workout cues.
What's the minimum active duration I can set?
The minimum active duration is 5 seconds (0:05). Rest periods can be set to 0 seconds if you don't need rest intervals.
My timer isn't syncing between devices. What should I do?
First, ensure both devices have TimeBurn installed and are connected via Bluetooth. Try restarting both apps, and make sure your Apple Watch is properly paired with your iPhone.

Need Help?

We're here to help! Reach out to us for support, bug reports, or feature requests.

📧 Email Support 🐛 Report Issue

Privacy & Data

TimeBurn respects your privacy. All timer data is stored locally on your devices and synced only between your paired iPhone and Apple Watch using Apple's secure WatchConnectivity framework. We do not collect, store, or transmit any personal data to external servers.