Interval Timer Plus vs Serenity Engine

Free, simple and easy to use all purpose Interval Timer SIMPLE AND FREE INTERVAL TIMER + 1-Tap Quickstart + No signup required, download and get going immediately GLANCEABLE + Very Big Fonts, visible from everywhere + Full screen color coding, works like a traffic light right in front of you + Portrait or landscape, always uses the full screen space POWERFUL ADVANCED PRESETS + Multiple intervals, each individually customizable + Name your intervals and have Interval Timer read it out to you + Individual colors and sounds + Count time or repetitions + Unlimited amount of presets ACCESSIBLE + Works with locked screen or while in another app + Reads out the interval name, so you know exactly what’s on + Vibration or silent mode, for the times when you need to tune it down + Works great with headphones and your own music + Supports dark and light mode REPEAT YOUR ROUTINE + Prepare and save your settings in presets + Pick your presets and start with just 1-tap OPTIMIZE ALL OF YOUR ACTIVITIES + Tabata timer + HIIT training + Crossfit + Circuit training + Fitness routines + Home workouts + Boxing round timer + Calisthenics circuit timer

Serenity creates immersive ambient soundscapes to help you focus, relax, and sleep better. Curated Soundscapes Choose from carefully designed presets combining nature sounds, gentle noise, atmospheric drones, and binaural beats. Each soundscape is crafted to create the perfect atmosphere for work, meditation, or rest. Binaural Beats Tune your brainwaves with scientifically-inspired binaural frequencies: - Focus mode (10 Hz Alpha) for concentration - Relax mode (6 Hz Theta) for meditation - Sleep mode (2 Hz Delta) for deep rest Sleep Timer Set a timer and drift off peacefully. Serenity fades out gently so you wake up refreshed. Beautiful Visualizer Watch mesmerizing particle animations that respond to the audio in real-time. Perfect for winding down or creating ambiance. Simple & Calm A minimal interface that respects your attention. No ads, no distractions—just calm.