The PNOĒ Data Collector can be used during the PNOĒ Virtual Sessions. In particular, the PNOĒ Data Collector gathers the hear-rate of the user and is compatible with BLE heart-rate monitors including Apple Watch, Garmin chest strap, Polar chest strap, Wahoo chest strap etc. Also, by downloading this app, the user will be able to exchange emojis with his fellow trainees, mute / unmute his microphone during the training session and monitor his entire workout on the screen of this iOS device. There is also an Apple Watch app. This app integrates with the Health app.