Noise Machine° vs 4x4 Treadmill

Sleep better, focus more, and relax with Noise Machine. If you struggle with insomnia, anxiety, or distractions, this app is your solution. Noise Machine is a premium sound machine that generates unique, continuous audio to help you block out the world. Unlike other free sleep sounds apps that play short, repetitive loops, we generate high quality audio in real time. The sound never repeats, which keeps your brain calm and prevents you from waking up. Includes Fan Noise and Color Noises We provide the full spectrum of sleep sounds to match your needs. Brown Noise: A deep, strong rumble similar to a heavy storm or a distant jet. Brown noise is statistically the best sound for deep sleep and anxiety relief. It is also excellent for calming crying babies by mimicking womb sounds. Green Noise: A calming, nature inspired sound that resembles a forest or a flowing river. This is the top choice for meditation and relaxation. White Noise: The classic static that covers all frequencies. It acts as a sound shield, perfect for blocking noisy neighbors or street traffic. Pink Noise: A balanced sound like soft rain or leaves rustling. It is widely used to mask tinnitus and improve sleep quality without sounding harsh. Fan Noise: We simulate the steady, mechanical drone of a box fan or oscillating fan to help you sleep cool and soundly. Why use a Sound Machine? For Baby Sleep: Newborns need constant background noise to feel safe. Our Deep Womb setting helps infants drift off faster and stay asleep longer. For Focus and Study: Silence can be distracting. Using Green noise or Brown noise improves cognitive performance and helps with ADHD by occupying the distracting parts of the brain. For Anxiety Relief: Constant, steady audio reduces sensory overload and helps calm a racing mind before bed. Powerful Features No Loops: The audio is generated procedurally, meaning it is truly infinite. Sleep Timer: Set the app to fade out gently after you fall asleep to save battery. Offline Mode: No internet connection is needed. Sleep soundly even in airplane mode. Background Play: Keep the audio running while you use your phone or turn the screen off. Custom Controls: Adjust the warmth and movement of the sound to create your perfect atmosphere.

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.