SEASOFT
MySonicFlow
Batch convert audio, edit metadata tags, normalize volume, and record voice — four professional tools in one suite.
Four Modules, One Suite
Switch between tools in a single window
Converter
Batch convert between 9 output formats. Full control over codec, bitrate, sample rate, and channel layout.
Metadata
Edit ID3v2 and MP4 tags. Title, artist, album, genre, year, track number, and artwork.
Recorder
Capture voice or instruments. M4A, WAV, or AIFF with configurable sample rate and bitrate.
Gain
EBU R128 loudness normalization with integrated loudness, loudness range, and true peak.
Features
Professional audio tools, all on-device
Batch Format Conversion
Convert dozens of files at once between MP3, M4A, WAV, AIFF, FLAC, MP2, OGA, Opus, and MKA. Completely free.
Metadata Editing
Full ID3v2 (MP3) and MP4 (M4A) tag support: title, artist, album, genre, year, track number, and album artwork.
Built-in Recording
Record in M4A (AAC), WAV, or AIFF with configurable sample rate, bit depth, and bitrate. Completely free.
EBU R128 Loudness
Broadcast-standard perceived loudness matching. Adjust integrated loudness, loudness range, and true peak.
9 Output Formats
MP3, M4A, WAV, AIFF, FLAC, MP2, OGA, Opus, and MKA. Each with codec, channel layout, and bitrate options.
Per-File Customization
Each file gets its own codec, sample rate, bitrate mode, CBR/VBR, and channel layout — or apply one setting to all.
Custom Presets
Save your gain configuration as a named preset. Built-in presets for Default, Podcast, Music, and Streaming-video. Stored encrypted on device.
Channel Layout Options
Convert to Auto, Mono, Stereo, 2.1, 3.0, 5.1, or 7.1 channel layouts — choose the right configuration for your output format.
Batch Metadata Editing
Select multiple files and edit artist, album, genre, and year for all of them at once. Save time when tagging entire albums or collections.
Screenshots
Free vs Premium
Converter and Recorder are free. Metadata and Gain offer premium features.
| Feature | Free | Premium |
|---|---|---|
| Converter | ✓ Unlimited, all formats | ✓ Unlimited, all formats |
| Recorder | ✓ Unlimited | ✓ Unlimited |
| Metadata editing | View only | ✓ ID3v2, MP4 tags, artwork |
| Gain adjustment | 3 files/day | ✓ Unlimited |
| Support | Community | ✓ Priority |
| Ads | ✗ Contains ads | ✓ Ad-free |
Specifications
-
Version
2.6.0 -
OS
macOS 11.0 (Big Sur) or later -
Architecture
Apple Silicon & Intel -
Input Formats
MP3, AAC, M4A, WAV, AIFF, FLAC, OGG, Opus, WMA, APE, AC3, DTS, CAF, AU, and audio from MP4, QuickTime, MKV containers -
Output Formats
MP3, M4A, WAV, AIFF, FLAC, MP2, OGA, Opus, MKA
FAQ
What's included in the free version?
The Converter and Recorder modules are completely free with no limits. The Gain module includes 3 free adjustments per day. Metadata editing requires a premium subscription.
What audio formats can I convert between?
MySonicFlow converts to 9 output formats: MP3, M4A, WAV, AIFF, FLAC, MP2, OGA, Opus, and MKA. It reads virtually every common audio format as input, including MP3, AAC, WMA, FLAC, OGG, APE, AC3, DTS, and many more.
Does MySonicFlow run natively on Apple Silicon?
Yes. MySonicFlow is a Universal app with native support for both Apple Silicon (M1, M2, M3, M4) and Intel-based Macs, running macOS 11.0 or later.
What's the difference between MySonicFlow and the standalone apps?
MySonicFlow combines Converter, Metadata, Recorder, and Gain in one window. The standalone apps (MP3Gain, Easy Audio Mixer, AudioCraft) offer deeper, dedicated experiences for their specific workflows.
Is my audio uploaded anywhere?
Never. MySonicFlow processes everything locally on your Mac. Your audio files never leave your device. No accounts, no uploads, no cloud processing.
Batch convert, edit metadata, normalize volume, record voice. Start now.
Four professional audio tools in one suite — free to try.
Available on Mac App Store