Audio Editor - SoundLab 4+

Pro audio editing and recording studio, now supports 16 tracks and Reverb as range effect!

SoundLab bring desktop grade audio editing to mobile, as a audio editor in your pocket with following features:

• Audio Editor: includes a 16-track, over 20 audio effects, and lossless output formats, complemented by an intuitive waveform interface with smooth zoom support.

• AI Vocal Separator: employs machine learning to isolate vocal and instrumental stems.
 No need to upload files or wait in line, all AI processing is done locally on your device.

• Audio Recorder: Minimalist yet powerful, used to seize fleeting recording opportunities. Supports selecting input device, recording format, sample rate, channel mode, and bitrate.

• Recording Studio: Supports in-ear monitor, input gain control, and anti-popping. You can add accompaniment tracks while recording. Compatible with various common professional external microphones on the market.

• Video Composer: Minimalistic audio-video mixing function, helping you add video to your audio creations, create soundtrack videos.


SoundLab is more than just an audio editor, it strives to meet various spontaneous scenarios in the process of music and podcast production, allowing you to start creating anytime, anywhere on your iPhone or iPad. 
We won't claim that it can replace a professional DAW, but when you need a simple and convenient toolbox, when you don't want to open your computer and wait for a heavyweight DAW to start for tens of seconds, it is definitely a reliable choice.

SoundLab is perfect for:
• Lovers of music
• Podcast producer
• Music students and teachers
• Especially for users who are familiar with Audacity or Audition

Feature Highlights:
• Unbeatable audio editing and mixing engine: support copy, cut, paste, remove, trim, insert, replace, split, move, etc. with full undo/redo. Exclusive dither algorithm ensure all editing process will never introduce click sound.

• Range effects: process any selected part instead of the entire track, over 20 audio effects: AI Vocal Separator, AI Noise Suppression, 10-Bands EQ, Reverb, Bass Boost, Amplify, Compressor, Change Pitch / Tempo, De-essing, Normalize, Fade In / Out, Phaser, Reverse, Silence Remover...

• Mixer effects: supports real-time adjustment of global output, including speed, pitch, reverb, and equalizer. The same project can be exported with different styles without the need for modification.

• High performance waveform: supporting smooth scaling, enable editing within millisecond level range, help you tweak the details of tiny sound.

• Support export AAC / ALAC / MP3 / FLAC / WAV format. All format supports write ID3 metadata and cover art, even for WAV file.


SoundLab Pro subscription and permanent purchase unlock all PRO features and remove all ads.

• Subscription is billed monthly or annually at the rate corresponding to the selected plan. In addition, a one-time permanent purchase will be offered if needed, which is not one of the subscription plan. Subscriptions or permanent purchases can be shared with up to 5 family members.

• Subscription with a free trial period will automatically renew to a paid subscription unless auto-renewal is turned off. Payment will be charged to iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost for the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off going to the user’s Account Settings after purchase.


Customer Support
• You can contact us in app:
Setting -> Contact Us

• Official Website:
https://www.castpeer.net

• Youtube Channel:
https://www.youtube.com/@soundlab-app