Terms of use
75hrd, by SundayTech Private Limited. Last updated 23 September 2026.
What 75hrd is
A 75-day program of pelvic-floor, breathing and mobility exercises plus health education for adults 18 and over. It is not medical advice, diagnosis or treatment, and it doesn't replace a doctor or physiotherapist.
Use it safely
- Stop any exercise that causes pain, and talk to a clinician about symptoms that last, get worse or worry you.
- Get urgent care for chest pain, pressure or breathlessness during sex or exercise, an erection that is painful or lasts more than 4 hours, a new injury or severe pelvic pain, or sudden weakness, numbness or trouble speaking.
- If you have had recent pelvic, prostate or abdominal surgery, or live with pelvic pain, check with your clinician before starting.
No promised results
People respond differently. We don't promise any particular outcome.
Your account
Your account is anonymous and lives on your phone. If you delete the app without exporting, your progress may not be recoverable. You can delete your data at any time from the You tab.
Fair use
Don't misuse the app, try to access other people's data or interfere with the service.
Liability
The app is provided as is. To the extent the law allows, SundayTech Private Limited is not liable for indirect losses from using it.