Music Audio Editor, MP3 Cutter (package name com.tianxingjian.supersound) is an Android app, also known as Super Sound.
It’s a powerful tool that lets you edit audio on your phone: cut, splice, mix, change voice, convert formats, and more.
This app is designed for both beginners and more advanced users who want to work on music, create ringtones, or do basic audio production.
Key Features
Here are the main features of this app, based on its Google Play and APKPure listings:
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Audio Cutting / Trimming
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Cut audio with millisecond precision.
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You can cut different parts: either keep the middle part of an audio, or keep the beginning + end.
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You can rename the audio file after cutting.
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Mixing & Splicing
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You can mix multiple audio tracks.
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Splice (join) two or more audios to create a single file — useful for mashups.
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Fade Effects
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Fade in and fade out effects for a smooth transition in audio.
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Volume, Pitch, and Speed Control
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Change the volume (make it louder or softer) of your audio.
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Adjust pitch (tone) and tempo (speed) of music.
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Change playback speed.
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Voice Changer
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Modify your voice: robot voice, old man voice, female/male voice, etc.
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Record voices within the app easily.
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Multitrack Editing
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Support for multiple audio tracks.
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Split audio into separate tracks.
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Add background music to voice recordings.
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Video‑to‑Audio Conversion
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Extract audio from video files.
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You can add audio effects to the audio in the video too.
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Audio Format Support
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Works with many formats: MP3, WAV, AAC, FLAC, M4A, AMR, etc.
Create blank audio files in various formats by selecting sample rate and duration.
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Ringtone / Notification / Alarm Creation
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After editing, set the audio as ringtone, alarm tone, or notification tone.
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Batch Editing
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Supports batch conversion (e.g., video to audio) and batch audio editing.
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Provides a library of 2000+ royalty-free music tracks you can use.
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New in Latest Version
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Version 2.8.2.0 (latest) includes a vocal effector for voice beautification, reverb effect, and an improved equalizer.
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Pros (Strengths)
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Very Powerful: For a mobile app, it has a lot of professional-style tools (multi‑track, mixing, pitch/speed control). (APKPure.net)
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Flexible Cutting Modes: Choose exactly how you want to cut (middle, ends), which is great for different purposes. (APKPure.net)
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Free Version: Many of the basic tools are available for free, making it accessible. (Google Play)
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Voice Changer & Recording: Useful for fun edits, voiceovers, or creative projects.
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Video to Audio: Nice option if you want to extract soundtracks from video.
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Multitrack: Gives more control, especially when mixing or combining different audio sources.
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Large Format Support: Works with common and high-quality audio formats.
Cons (Limitations / Drawbacks)
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Ads: As with many free apps, there are ads. Some users may find them annoying. (Common thing in such editors.)
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Learning Curve: Because it has a lot of features, beginners may need time to learn where everything is.
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Performance: On older or low-powered Android devices, multi‑track editing or large files may cause lag or crashes. (This is a guess based on typical mobile audio editors; specific complaints exist.)
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Limited Export Options? While it supports many formats, very advanced export settings (like high-level mastering) are probably not there.
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Storage Use: Audio editing takes space (especially multi-track), so you’ll need enough free storage.
How to Use It (Tips)
Here are some simple steps and tips to use Music Audio Editor, MP3 Cutter effectively:
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Install the App
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Download from Google Play: the package name is
com.tianxingjian.supersound. (Google Play) -
Make sure your Android version is compatible (Android 6.0+ recommended). (APKPure.com)
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Open & Start Editing
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Launch the app, then import the audio file you want to edit (mp3, wav, etc.).
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Use the waveform view to precisely select the part you want to cut. (The zoomable waveform helps a lot.)
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Cut / Trim Your Audio
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Decide whether you want to keep the middle, or keep the ends of the track. (APKPure.net)
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Adjust the start/end points manually; you can fine-tune using small time-step controls.
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Apply Effects
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Use fade-in / fade-out if needed.
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Change volume, speed, or pitch depending on your goal.
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If you like, apply voice changer effects (robot, old man, etc.) or reverb (in latest version).
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Mix or Combine Tracks
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To make mix or remix: import multiple tracks.
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Use multi‑track editing, adjust volume of each track, and then splice or blend them.
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Convert or Export
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When done, choose the output format (MP3, WAV, etc.).
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You can also extract audio from a video by importing the video file and then saving only the audio.
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Save & Use
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Rename the file appropriately.
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Save the file. Then you can set it as a ringtone or alarm directly from the app.
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Batch Operations
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Use the batch converter if you have many files: e.g., many video files → audio files.
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Also, check the royalty-free music library if you want pre-made tracks to mix or use.
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User Feedback & Ratings
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According to AppFollow, the app has 1.25 million+ reviews and an average rating of 4.8 / 5. (AppFollow)
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On Grand-Screen, users praise its powerful editing capability: “tons of powerful audio editing features,” “simple one-click cutting,” voice remover, etc. (Grand Screen)
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However, some users warn about:
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Ads: Free version has ads which can be obtrusive. (Grand Screen)
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Crashes while saving: One user said: “it goes through processing and freezes up at 98% and then crashes and I lose everything.” (Grand Screen)
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Quality issues: Some feel the output after merging is “distorted” or has poor highs. (Grand Screen)
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Who Is This App Good For?
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Music Lovers who want to trim and splice songs, make mashups.
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Content Creators / Podcasters who need to cut voice recordings, remove unwanted parts, or mix background music.
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People Who Want Ringtones: Anyone who wants to make their own ringtone, alarm tone, or notification sound.
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Beginners: Easy enough to start cutting and trimming even if you don’t know a lot about audio editing.
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Intermediate / Advanced Users: Because of multitrack and mixing features, you can do semi-professional editing.
Alternatives to Consider
While Music Audio Editor, MP3 Cutter is powerful, here are a few alternative audio editors to consider, depending on your needs:
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Audio Editor, MP3 Cutter: Supports zoomable waveform, unlimited edits.
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MP3 Cutter, Music Audio Editor by GTTM Team: Clean interface, supports mixing, joining, converting. (Google Play)
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WavePad Audio Editor: More professional, desktop‑style features, cross-platform. (Wikipedia)
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mp3DirectCut (Windows): Lossless MP3 editing (doesn’t re-encode), great for preserving quality. (Wikipedia)
My Verdict (Conclusion)
Overall, Music Audio Editor, MP3 Cutter (Super Sound) is a very good app for mobile audio editing. It strikes a nice balance: powerful enough for serious editing, but still approachable for beginners.
If you're looking to cut mp3s, make ringtones, mix music, or even change voices — this app can do it well, especially considering it's free for many basic tasks.
However, if you are working on very large audio projects (many tracks, high-fidelity mastering), you might outgrow it and look for more professional desktop software.