Twist your wrist
Choose motion throttle, calibrate in a comfortable position, then twist your wrist to control the virtual throttle.
A motorcycle sound simulator born for Apple Watch. Start the engine, twist your wrist, and hear every throttle movement respond. Pick up your iPhone and play there, too.
Free single cylinder · One-time Pro · No ads


Current app screens · Pro features shown
Raise your wrist and find your throttle feel. Your movement drives virtual RPM while the app synthesizes the sound in real time.
Choose motion throttle, calibrate in a comfortable position, then twist your wrist to control the virtual throttle.
Use the Digital Crown or touch slider on Watch. On iPhone, choose rotation or touch. Pick the control that feels right.
Idle, rev, and ease off. Hear the sound follow RPM. Audio output varies by device; some Watch models need Bluetooth audio.
Speed leads; RPM supports. White scales and live orange indicators keep the same visual language across iPhone and Watch.

Large speed, smaller RPM. The essentials at a glance.

Separate RPM and speed scales with a classic needle.

A segmented speed arc, RPM bar, and shift lights.
Speed is simulated, not measured by GPS. Classic Dual Ring and Race Dash require Pro.
Different cylinder layouts and firing rhythms bring different original tones. All sounds are synthesized, not recordings of specific motorcycle models.
One cylinder. A direct, steady pulse.
A light, responsive two-cylinder rhythm.
An offset beat with a distinct character.
Low pulses and a relaxed cruiser feel.
A three-cylinder rhythm with a layered tone.
Wind it up for a rising four-cylinder note.
Uneven firing for a distinctive cadence.
Six cylinders woven into a smooth texture.


Explore engines and gauges on a bigger screen, then tune exhaust, resonance, distortion, and mechanical sound in Sound Lab. iPhone plays independently, so you do not always need your Watch.
Learn the throttle controls ↗Every Pro label refers to the same purchase. No paying engine by engine. No subscription.
Your App Store purchase screen shows the local price and currency.
Air Moto is a motorcycle engine sound simulator for Apple Watch and iPhone. Motion, touch, or the Digital Crown controls a virtual throttle. The app synthesizes engine sound in real time and displays simulated speed and RPM.
No. iPhone works on its own, and Apple Watch can also start an engine independently. Wrist throttle is the heart of the Watch experience; iPhone adds more space for gauges and sound tuning.
The free app includes Single Pulse, Digital Duo, and the core throttle experience. One Pro purchase unlocks seven more engines and two extra gauges. There are no per-engine purchases or subscriptions. Your App Store purchase screen shows the local price.
No. Simulated speed is calculated from the virtual engine state. It uses no GPS and does not connect to a vehicle. It is for entertainment, not real-world speed measurement or riding safety.
No. All eight engine sounds are original programmatic interpretations of cylinder and firing rhythms, not recordings of specific motorcycle brands or models.
Audio output depends on the Apple Watch model and current route. Some models need Bluetooth headphones or a speaker. Check the output device shown in the app and the system volume.
Preparing for the first App Store release. A download link will appear here once the app is available.
iOS 18.0+ · watchOS 11.0+
Some Apple Watch models require Bluetooth headphones or a speaker.