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.