CardioSimple vs Pace Lab

CardioSimple is a full comprehensive app for cardiac rehab. Using AI-driven insights and coaching during exercise, CardioSimple brings AI to the at-home cardiac rehab experience, allowing users to be supervised during exercise. Users fill out a survey using their patient data to customize their experience to be adapted for each unique user. Users can log and AI-grade their nutrition, log their medications, track their vitals, help themselves cease smoking, do AI-supervised exercise workouts guided by heart rate target ranges according to the American Heart Association, and be encouraged using the progress charts. Works with Apple Watch: see live heart rate and your target zone on your wrist during supervised workouts, take on-demand heart-rate measurements, and sync results back to your phone automatically. NOT FOR MEDICAL USE. FOR INFORMATIONAL PURPOSES ONLY --- SEE IN-APP DISCLAIMER.

Pace Lab is a running calculator built for runners who want clear numbers without the clutter. ■ Key Features - Pace calculator Calculate pace and speed from any distance and time. - Race pace calculator Set your goal time and get your target pace — then view full race splits with real clock times across the course. - Pace–speed converter Switch instantly between pace (min/mi or min/km) and speed (mph or km/h). - 400m lap calculator Convert between lap times and equivalent running pace for track sessions. - Training pace calculator Enter your goal time and get recommended paces for easy runs, long runs, marathon pace, threshold runs, and interval workouts. - Heart rate zone calculator Calculate your 5 training zones using Max HR, Resting HR, or Lactate Threshold (LTHR). - Race time predictor Predict finish times across distances using recent race results or VDOT-based estimates. - Energy gel calculator Get a personalized gel count and timing plan based on your race distance and goal pace. No sign-up required — just the tools runners need for smarter training and race planning.