HOSFU BLOG · APP SUPPORT
HOSFU App FAQs & Troubleshooting
The HOSFU app is free to download and use. No app subscription is required.
Do these trainers need an app?
Gen 1 and Gen 2 work without an app. Gen 3 is controlled through the HOSFU app. Gen 4 supports the app and on-device controls.
What does real-time training feedback mean?
Gen 3 and Gen 4 provide real-time training feedback in the HOSFU app. Product feedback does not diagnose a condition or replace professional assessment of technique.
Is the HOSFU app free?
The HOSFU app is free to download and use. No app subscription is required.