Aion | Workout Timer & Planner

Aion is a highly customizable workout timer and planner for HIIT, Tabata, WOD, AMRAP, Yoga, Meditation, Boxing rounds, Pomodoro sessions, Running — and practically any workout you can imagine. Aion also lets you build full training plans like 30-day fitness programs or 8-week running plans with simple, flexible tools. Wear OS Support Aion includes a dedicated Wear OS app. Start and control your workouts from your smartwatch, view intervals at a glance, and track your progress — all without using your phone. Key Features • Start quickly with pre-made workouts (HIIT, Tabata, Circuit & more) • Follow structured plans like 5K/10K & weight-loss • Create any routine with the flexible workout builder • Train clearly with organized interval types • Customize everything — times, reps, colors, sounds & more • Build advanced flows using nested loops • Set dedicated settings for each workout • Stay focused with clear voice guides • Share/ import workouts/plans • Track progress with clean activity reports More Free Features • Unlimited workout creation • Unlimited intervals and exercises • Unlimited reports access • Full Wear OS access • Free skip exercise • Unlimited sounds • Built-in metronome & more Whether you’re a beginner or a fitness enthusiast, Aion gives you everything you need to structure, track and improve your training — on both your phone and your Wear OS smartwatch. Unleash your full potential with Aion.