This medical app calculates QTc using nine different formulas. It allows users to input heart rate or RR interval and QT interval length for quick results. An Apple Watch app is also included for convenient access.




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Whether you want more options like StudyCoorCalc or a completely different take on the same concept, our curated list of 5+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.




This medical app calculates QTc using nine different formulas. It allows users to input heart rate or RR interval and QT interval length for quick results. An Apple Watch app is also included for convenient access.






This app streamlines clinical trial protocols into a central communication and collaboration hub. It connects all study participants with essential knowledge, supporting diverse trial models and therapeutic areas globally. It is used by thousands of investigators and major pharmaceutical companies.




Collect data from patients and caregivers in clinical trials for new medicines. Access study-specific questionnaires on the go, with reminders to help you follow the study protocol. Your privacy and anonymity are ensured.