Latch Lock Sounds
On-device lock chimes
About
Generate unique, on-device lock chimes for compatible vehicles. Save your custom sounds as WAV files and easily transfer them to a USB drive. Unlock advanced features with an optional one-time purchase.
What's New in Latch Lock Sounds
1.2
October 28, 2026
New Sound shortcut: press and hold the Latch icon on your Home Screen and tap New Sound to make a fresh lock chime right away. Record your own (Latch Pro): record a short sound with your microphone and save it as LockChime.wav. Recordings stay on your device. Tidier USB instructions.
MoreSubscriptions & In-App Purchases
$2.99
Latch Pro
Unlimited Library, History, Tune and Loud mode.
Developer apps
FAQ
What is Latch Lock Sounds?
Latch Lock Sounds generates unique, on-device lock chimes for compatible cars. It creates a LockChime.wav file that can be copied to a USB drive for use in your vehicle.
How does Latch Lock Sounds work?
The app uses on-device generation with AVFoundation to create distinct sound recipes each time you tap 'Generate'. You can preview the sound with the silent switch on before exporting the WAV file.
Is Latch Lock Sounds free to use?
Yes, Latch Lock Sounds is free to download and use. The free version allows you to generate, play, and download sounds, with 3 free favorites saved.
What features does Latch Pro offer?
Latch Pro is an optional one-time purchase that unlocks an unlimited Library, session History, and Tune controls for shape, tone, pitch, and decay. It also includes a Loud mode.
What is the price of Latch Pro?
Latch Pro is available as an optional one-time purchase for $2.99.
Does Latch Lock Sounds have ads?
No, Latch Lock Sounds does not contain advertisements. The app is ad-free.
What devices is Latch Lock Sounds compatible with?
Latch Lock Sounds is compatible with iPhone and iPad devices.
How often is Latch Lock Sounds updated?
The latest version of Latch Lock Sounds is 1.1, which was last updated on October 23, 2026. Updates typically occur to improve functionality and add new features.