Sense
Check in quickly
Notice, count what you feel, and then compare your estimate with the reading from your Apple Watch or connected consumer heart rate device.
New: Apple Watch support
Train your inner awareness.
InteroHB is a simple practice app for interoception based on heartbeat awareness. It assists users to notice and count their heartbeat, and compare that felt sense with readings from Apple Watch or a compatible consumer-grade heart rate device.
Start with Sense for a quick check-in, use Flow when you want a longer guided session, and review insights when you want to see how your awareness changes over time.
- Sense
- Flow
- Apple Watch
- Insights & Trends
- Interoceptive Index
Requires Apple Watch or a compatible consumer-grade heart rate device that broadcasts over Bluetooth Low Energy (BLE). InteroHB is not a medical device and is intended for training self-awareness purposes only.
Sample result
76
A strong Interoceptive Index that highlights body awareness, bias patterns, and context breadth over time.
- Works with Apple Watch and Bluetooth LE heart rate devices
- Session history stays on your device
- No ads, tracking, or profiling
- Built for wellness and self-awareness
The practice loop
How InteroHB works
InteroHB keeps the loop intentionally simple: sense first, reveal second, reflect after.
Flow
Slow the pace
Use a longer, quieter session to spend more time noticing subtle changes in your internal state.
Insights
Review the pattern
Look back across sessions to see trends in estimates, confidence, and practice context.
Heart rate sources
Use Apple Watch or a Bluetooth heart rate device
Pick the heart rate source that fits your routine. Both work with Sense, Flow, and Insights.
Apple Watch
The InteroHB companion app for Apple Watch provides heart rate readings during your sessions, so you can practice without extra hardware.
- Companion watch app: heart rate readings from your wrist during sessions
- Apple Health: works with Apple Health, with your permission
Bluetooth LE heart rate device
Connect a compatible consumer-grade heart rate device that broadcasts over Bluetooth Low Energy (BLE), such as a chest strap or armband.
- Standard BLE: uses the Bluetooth Heart Rate Service
- Your choice: use whichever source you prefer
Built for everyday practice
InteroHB is designed for short, repeatable sessions that fit into normal days. The app keeps the focus on noticing, comparing, and learning from your own patterns.
- Quick sessions: use Sense when you want a brief check-in
- Longer sessions: use Flow when you want more time with the signal
- Private history: review your own session trends on your device
- Simple context: add notes that help explain what was happening around a session
Want the background?
The Learn page explains interoception, why heartbeat awareness is useful for practice, and how the Interoceptive Index is calculated.
It also includes research references on the benefits of interoception behind the app.
Read more on Learn
Screens
Inside the app
The interface is intentionally calm and lightweight so the focus stays on signal, reflection, and repeated practice.
Home 
Sense results 
Interoceptive Index Insights
Download InteroHB
Start training your inner awareness today.
InteroHB is now available on the App Store for iPhone, with a companion app for Apple Watch.
Support and contact
Questions, launch interest, partnerships, or feedback? We'd love to hear from you.