WillTrack vs 4x4 Treadmill

WillTrack - Your No-Nonsense Workout App Train smarter. Not pricier. WillTrack is the workout app that does exactly what you want - helps you get stronger - without emptying your wallet every month. One Price. One Time. Forever. Tired of subscriptions that never end? Us too. That's why you get WillTrack for a single payment and then everything is yours. No hidden fees, no premium features behind a paywall, no sneaky upgrades. Buy the app, own the app. Period. Simple. Beautiful. Yours. WillTrack is built for people who want to train - not wrestle with complicated menus. Clean design, clear overview, and the best part? You customize everything to your liking. The home screen, your exercises, your programs - everything can be shaped exactly how you want it. Rest Smart = Play Who said rest periods have to be boring? We've built in a mini-game you can play between your sets. Turn your rest into a little action - perfect for keeping your energy up and making your workout more fun. Everything's Already There - Choose an existing workout program or build your own - Track your progress with graphs and statistics - Monitor personal records - Progress photos with comparisons - Muscle group visualization - Mini-game during rest - Apple Health integration - Customizable home screen No feature is locked. Everything is included from day one. WillTrack is for you who are fed up with being milked by workout apps. One app, one price, one time. Then you can focus on what actually matters: getting stronger.

4×4 Treadmill is your personal interval training coach. Built around the scientifically proven Norwegian 4×4 method, it guides you through high-intensity treadmill workouts with real-time heart rate monitoring and live coaching. WHAT IS 4×4 TRAINING? Four intervals of 4 minutes at high intensity, separated by active recovery periods. This protocol is one of the most effective ways to improve cardiovascular fitness and VO₂max. FEATURES • Real-time heart rate monitoring via Bluetooth sensor or Apple Watch • Live coaching — tells you to pick up pace or slow down based on your heart rate zone • Execution Score (0–100) based on intensity, consistency, and recovery • Detailed post-workout analytics with heart rate charts and per-interval breakdown • VO₂max estimation after each session • Customizable warmup, interval, recovery, and cooldown durations • Treadmill speed and incline settings per stage • Full workout history with day, week, month, and year views • Supports English and Norwegian HOW IT WORKS 1. Connect your heart rate sensor and set your target zones 2. Start the guided workout, the app coaches you through warmup, four hard intervals with recovery, and cooldown 3. Review your Execution Score, heart rate chart, and per-interval breakdown Start training smarter today.