iPhoneIn testing
Lauter
Make quiet videos and recordings louder.
Lauter raises the volume of videos and audio recordings by up to 12 dB without distortion. Pick a file, move the slider or tap “Auto”, compare, save. Everything happens on your iPhone.
Coming soon to the App Store
Support
Requires: iOS 17
Features
Up to +12 dB
Slider in 1 dB steps, or “Auto” for a safe, loud level.
No distortion
A built-in limiter catches peaks so nothing clips.
Before and after
Waveform, peak meter and a switch between original and result.
Video stays untouched
Only the audio track is replaced. Audio is saved as M4A.
Entirely on device
No account, no upload, no tracking. Your files never leave your iPhone.
Pay once
Try it for free, then unlock once. No subscription.