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EarChord

Chord ai alternative

Chord ai is a phone app with a neural network behind it and a subscription in front of it. EarChord is a web page. Those are different tools, and this page says which one is which.

EarChord and Chord ai, side by side

FeatureEarChordChord ai
Where it runsAny browser, including desktopiOS and Android; also Apple silicon Macs via the iPad app
Install requiredNoYes, from an app store
PriceFree, with no tier above itFree basic version; Pro is about 9 USD or EUR a month, or 69 a year
Chord vocabulary24 major and minor triadsMore than 700 chords on Pro
Listen to music playing around youNoYes, that is the core of the app
Fingering positionsGuitar, piano and ukulele diagramsVoicing and position recognition on Pro, plus alternate tunings
Stem export, PDF export, score editing, smart capoNoYes, on Pro
Saved songs and playlistsNothing is storedUnlimited on Pro
Where the audio is analysedIn your browserOn your phone

When Chord ai is the better choice

Chord ai is a better product than EarChord at what it does, and it is worth saying so plainly. It runs a neural network, so it reads chords EarChord cannot name at all: sevenths, half-diminished, extended voicings, more than 700 of them on Pro. If the song you are learning is jazz, gospel or anything harmonically dense, our 24 triads will flatten it and theirs will not.

It also listens. Point a phone at a speaker, a rehearsal room or a video playing on someone else's laptop and it transcribes what it hears, live. There is no equivalent to that on a web page. And if you want stems, PDF charts, editable scores, alternate tunings or capo suggestions, those are Pro features with nothing matching them here.

EarChord is the better fit when you are at a computer with a file, when you do not want to install anything, or when you do not want a subscription. It is free with no upgrade path, because there is nothing it costs us to run.

The trade EarChord is making

Neural chord recognition is the right technology for accuracy and the wrong one for a free web page. A model good enough to name 700 chords is too large to download into a browser tab and too slow to run there, which is why tools that try it end up billing for server inference instead. Chord ai avoids that by shipping the model inside a phone app you install once.

EarChord takes the other road: classical signal processing, about 300 lines of it, small enough to run in a Web Worker and finish 32 seconds of audio in about a tenth of a second. That buys free, unlimited and instant. It costs accuracy on complex harmony, and that is the whole of the trade.

What both of them do the same way

Neither tool sends your audio to a server. Chord ai analyses on your phone; EarChord analyses in your browser tab. If keeping recordings off other people's machines matters to you, both are on the right side of that line, and most web chord finders are not.

Questions

Is there a free version of Chord ai?
Yes. Chord ai is free to download and its basic version is usable without paying. The advanced chord vocabulary, position recognition, PDF export, stems and unlimited playlists are Pro features.
Does EarChord have an app?
No, and it is not planned. There is a Chrome extension for reading chords off a YouTube video as it plays, but the analyser itself is a web page that works on any device with a browser.
Will EarChord ever detect seventh chords?
Possibly, but not by widening the template set: measured on real material, adding suspensions and sevenths to this kind of matcher makes ordinary pop and rock worse rather than better. It would take a different algorithm, not a longer list.

Where these figures come from

Everything stated about Chord ai above was read from its own site on the date shown. Products change their pricing and their limits; if you find something out of date here, tell us and it gets corrected.