Side by side
MIDIFLOW vs SoundToMIDI
Both stand on ai audio-to-midi software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
MIDIFLOW offers a free, browser-based route from audio to editable MIDI, with preview and note-threshold controls. Its results are an initial pass, and large files or dense recordings may be less suitable.
Visit MIDIFLOW Free plan AndroidiPhoneWeb
Choose SoundToMIDI if you want browser-based audio-to-MIDI conversion with editing and a free Raw MIDI option. The Music Export Pack may suit users who need its additional file types, but transcription errors and score-draft omissions make review important.
Visit SoundToMIDIThe facts
| MIDIFLOW | SoundToMIDI | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Android, iPhone, Web |
| Lowest paid plan | Free or on request | Music Export Pack: $2.99, paid once |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | audiomidi.org | soundtomidi.com |
| On ai audio-to-midi software | #15 of 29 | #19 of 29 |
MIDIFLOW: what it does well
- Accepts five common audio formats.
- Processes selected audio on the user’s device.
- Preview MIDI alongside the original recording.
- MIDI can include velocity and pitch-bend events.
- Free forever, with no signup or watermark.
What to know first
- Dense arrangements are less reliable than melodies.
- Very large files may exceed device memory.
- No free trial is listed.
SoundToMIDI: what it does well
- Free Raw MIDI conversion has no signup or daily limit.
- Audio and generated MIDI stay on the user's device, according to the maker.
- Supports common audio formats up to 100 MB.
- Lets users edit notes, timing, and pitch range.
- Works in modern mobile browsers without installation.
What to know first
- The free plan provides Raw MIDI downloads only.
- New conversions require a new Music Export Pack for paid exports.
- Transcriptions can contain missing, extra, mistimed, or incorrect notes.
- Paid downloads must be completed in the same browser and device.
Alternatives to MIDIFLOW Alternatives to SoundToMIDI The whole list