CupCalc
Orthopaedic Calculator
About
This medical reference calculator assists orthopaedic surgeons and trainees in total hip arthroplasty by applying published mathematical formulas to compute acetabular cup targets. It provides detailed calculations based on pelvic incidence, sacral slope, and femoral mobility, with all data traceable to peer-reviewed literature.
What's New in CupCalc
1.1.5
June 22, 2026
CupCalc 1.1.5 - Simplified subscription flow — subscribe directly from Account screen - Fixed: subscription status now correctly recorded in user profile - Added: contact support option in Account screen - Bug fixes and stability improvements
MoreSubscriptions & In-App Purchases
CupCalc Pro
Unlimited calculations and PDF reports
FAQ
What is CupCalc used for?
CupCalc is an educational reference calculator designed for orthopaedic surgeons and trainees. It helps in planning total hip arthroplasty by computing mobility-specific acetabular cup targets using established mathematical formulas.
Where do CupCalc's calculations come from?
All calculations within CupCalc are derived from peer-reviewed literature, ensuring transparency and traceability. The app does not use proprietary algorithms or black-box outputs, with every number linked to a published source accessible within the app.
Does CupCalc collect patient data?
No, CupCalc does not collect, store, or transmit protected health information. Users are advised not to enter patient-identifying information, and only anonymous case labels should be used.
Is CupCalc a medical device?
CupCalc is an educational reference tool and not a medical device. It does not provide surgical recommendations, replace clinical judgment, or constitute medical advice. All clinical decisions remain the sole responsibility of the treating surgeon.
How often is CupCalc updated?
The latest version of CupCalc is 1.1.5, which was last updated on June 22, 2026. Updates ensure the app remains current with relevant research and functionality.
What are the subscription options for CupCalc?
CupCalc offers two subscription plans: CupCalc Express at $12.99/year with a 1-year free trial, and CupCalc Pro at $19.99/year with a 1-year free trial. These plans provide access to advanced features and planning summaries.
Is CupCalc available on Android devices?
CupCalc is currently supported on iPhone, iPad, and iPod. Information regarding Android compatibility is not provided in the current data.
What is the age rating for CupCalc?
CupCalc has an age rating of 4+, making it suitable for a wide range of users. This rating indicates general appropriateness for most audiences.
