Can’t import file
Response from developer
Sorry, We have fixed this bug where import wasn't working with voice memo sounds. Please give it a try now. Thank you for reporting this

Transform your device into a portable audio studio. Edit tracks with professional effects, trim audio from videos, and create custom ringtones. Enjoy offline editing with no watermarks or account requirements.
1.0.2
September 10, 2026
• Fixed a Files import bug - voice memos, iCloud Drive clips, and Files-app videos all import cleanly now. • Video exports preserve the source's original quality and frame rate. No more visible re-encode hit. • Redesigned export screen - clearer save location, cleaner buttons, faster transitions.
MoreWeekly access to unlimited music editing features
Sorry, We have fixed this bug where import wasn't working with voice memo sounds. Please give it a try now. Thank you for reporting this
Music Editor: Sound Mastery is a mobile application that transforms your iPhone or iPad into a pocket-sized audio studio. It allows you to edit tracks with professional effects, extract audio from videos, and create custom ringtones, all on your device.
No, Music Editor: Sound Mastery does not contain advertisements. The app is designed for an uninterrupted creative experience, with all features available through its subscription or one-time purchase options.
The app offers a range of professional audio effects including EQ, reverb, delay, drive, and mastering. These effects can be applied with per-section control, allowing for detailed sound shaping within different parts of a clip.
Yes, all audio and video editing processes in Music Editor: Sound Mastery are performed on-device. This means you can work with your audio files offline without needing an internet connection, and there are no watermarks on your exports.
Music Editor: Sound Mastery offers a weekly subscription with a 3-day free trial, priced at $3.99 per week. There is also a lifetime one-time in-app purchase option available for permanent access to all features.
You can manage or cancel your weekly subscription at any time through your device's Settings. Navigate to Apple ID › Subscriptions to find and adjust your subscription preferences. Cancellations must be made at least 24 hours before the current period ends.
Music Editor: Sound Mastery supports exporting audio in M4A, WAV, and AIFF formats, and video in MP4. You can also export directly as a ringtone in M4R format.
While offering advanced features like per-section control and professional effects, the app is designed for creators of all levels. Its intuitive timeline and offline capabilities make it accessible for those new to audio editing, while still providing depth for experienced users.