215+ iOS apps curated and reviewed
The best aerobic threshold calculator apps on iPhone average 4.6★ across 215+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Discover your aerobic heart rate to boost endurance with this innovative tool that integrates with Apple Healthkit, allowing you to easily calculate your heart rate drift and optimize your workouts. By following a simple, hour-long test, you can accurately determine your aerobic threshold and train more effectively to achieve your fitness goals.
Calculate your Body Mass Index effortlessly with this straightforward app designed for quick and easy BMI calculations. Start tracking your health today!
A next-generation clinical calculator and decision support tool designed for the medical community, featuring tools across various medical specialties to aid in diagnosis, treatment, and prognosis. Developed by clinician experts, it provides quick answers through unique 'Question Flow' technology and integrates recent research publications for practical use. Try it now to streamline your clinical decision-making process.
Calculate your age easily in various units like time, date, and year with the Age Calculator app. Save and share your age with friends, and even find out the time left until your next birthday. Available on both Android and iOS.
A top medical calculator app offering over 550 clinical decision tools for healthcare professionals, with features like offline access, CME credit tracking, and customizable lists for quick use. Join now for quick, evidence-based patient care support on-the-go.
Calculate your body's Basal Metabolic Rate to determine the amount of calories you should consume daily. Use this simple tool to enter your height, weight, age, and gender, and get an estimate of your daily calorie needs based on your activity level.
Calculate accurate macros for fat loss, muscle building, or weight maintenance with this advanced macro calculator. Ditch outdated tracking methods and try the world's most precise macro tracker - download now to transform your nutrition goals!
Track your heart rate instantly using your smartphone camera. Get real-time heart rate measurements, track your fitness progress, and stay on top of your health goals with ease. Download now and take control of your heart health.
A handy app that calculates your Body Mass Index (BMI) to help you on your weight loss journey. Stay on track with your health goals!
The VDOT Running Calculator, developed by Dr. Jack Daniels and the VDOT O2 team, offers runners and coaches a tool to determine training paces, compare race performances, and adjust for heat and altitude. Calculate time, distance, race paces, and more to enhance your running performance. What's your VDOT level? Get started now!
Track your health and fitness with a versatile activity tracker that collaborates with WHO and AHA to set activity goals known as Heart Points. It provides detailed workout insights, goal monitoring, and integration with various apps and devices for a holistic view of your health progress. Dive into a healthier lifestyle with Google Fit. Visit https://www.google.com/fit to learn more.
Get personalized fitness training with Athlytic, an AI-powered coach that uses Heart Rate Variability (HRV) to tailor workouts to your body's needs. Maximize your potential and achieve your fitness goals with Athlytic today!
Monitor your heart rate and blood pressure with ease using this application. Stay on top of your health by tracking and analyzing your vitals effortlessly. Download now for better health monitoring.
An application that helps military personnel calculate their fitness scores, including ACFT, APFT, body composition, and promotion points. Users can input scores, receive score results, access event instructions, and upgrade to Premium for additional features like score saving and progress tracking.
Track your heart rate with ease using Pulse BPM. Monitor your pulse in real-time, keep track of your health, and stay on top of your fitness goals. Download now and take control of your heart health!
This application provides a BMI calculator and a body fat percentage calculator, along with a unique body fat image comparison tool for precise measurements. It aims to offer accurate health and fitness tools in a sleek and fast interface. Download now to calculate your BMI and body fat percentage.
This application helps you calculate and track your total daily energy expenditures (TDEE) to lose, gain, or maintain weight by providing an easy-to-use interface and accurate calculations. By inputting your basic information and goals, you can quickly determine your daily calorie needs and track important metrics like BMI, BMR, and body fat percentage.
Monitor your heart rate with precision using Pulse HR. Get real-time updates on your pulse to keep track of your cardiovascular health effortlessly. Download now and prioritize your heart's well-being.
This medical calculator app enables doctors to quickly calculate QTc intervals using nine different formulas, with the option to enter heart rate or RR interval and QT interval, and provides estimates of QT depending on heart rate. Download the app, including an Apple Watch version, to access this tool and consult with a healthcare professional for medical advice and treatment.