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Alternatives

The Tunebat alternative depends on which half you need.

Tunebat is two tools behind one search box: a database whose key and BPM values come from the Spotify Web API, and an uploader that analyzes your own files in the browser. So the swap depends on the half you use: a free lookup site covers released music, a desktop analyzer covers the edits, bootlegs and promos that were never on Spotify, and your DJ app's own analysis puts the numbers in the library you play from.

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A DJ library with key and BPM stored on every track

A key and a tempo are only useful once they live in your library.

The four options, compared.

Sites like Tunebat do two different jobs, and most roundups compare only the first one. Looking up a released track is a database question. Getting key and BPM onto the files on your drive is an analysis question. The four options below split along that line. One of them, Vibes, is our product, so judge it on the trial.

OptionStrengthsTrade-offs
SongBPMBest for Looking up a released track in a few seconds, free
  • Search by artist and title, with key, BPM and duration on the result
  • Links straight out to Spotify, Apple Music and Amazon
  • Includes a tap tempo page, and needs no account
  • Song data is provided by Spotify, so it inherits Spotify's estimates
  • Nothing on your drive can be analyzed; there is no upload
  • Ad supported, and one track at a time

Our verdict As a song bpm finder for commercially released music this is the cleanest of the lookup sites, and it fails for exactly the same reason Tunebat's database does: an unreleased edit is not in it.

Mixed In KeyBest for Analyzing the files you own and writing the results into them
  • Reads the audio itself for key, tempo, energy level and cue points
  • Writes results into your ID3 tags, so the numbers travel with the file
  • Built around the Camelot wheel, which is what harmonic mixing runs on
  • Paid, and the current price is behind the checkout rather than on the page
  • It analyzes and tags; organizing the library is still your job
  • A separate app from the one you actually play in
rekordboxBest for Getting key and BPM into the app you already play from
  • The Free plan costs nothing and covers basic music management
  • Analysis runs on the tracks in your collection and stays with them
  • The result is in the library you export to USB, not on a web page
  • Only useful if rekordbox is the app you play in
  • The analysis lives in rekordbox's own library, so the numbers do not travel to another DJ app on their own
  • Cloud library sync is a paid option on top of the Free plan
VibesBest for Analyzing and organizing a whole library in one pass
  • Imports from rekordbox, Serato, Traktor, Engine DJ, Apple Music XML or plain folders
  • Analyzes BPM, key in Camelot, musical or Open Key, energy and track sections
  • Exports playlists and tags back to all four DJ apps, with optional key or BPM sub-folders
  • Vibes is our product, so we own the bias here
  • It works on files you own: no streaming import, no streaming playback
  • No stem separation, no vocal removal and no mastering, so it covers only the analysis half of Tunebat
At a glancePricingModel
SongBPMFreeAd supported web database
Mixed In KeyNot statedPaid desktop app
rekordboxFree plan, paid plans above itFreemium subscription
Vibes$49 one-timeOne-time

How we compared these.

We checked every claim above against each vendor's own pages, and we treated Tunebat as two products rather than one. Searches like tunebat key bpm finder and tunebat song key finder land on the same analyzer page, which uploads nothing: it runs Essentia models from the Music Technology Group at UPF inside your browser. The database behind the search box is a different thing, powered by the Spotify Web API and covering over 70 million songs.

The separation tools are a third product again. Tunebat is really a vocal remover, key BPM finder and mastering service sharing one domain. The Tunebat vocal remover, AI-powered on their servers rather than in the browser, outputs medium quality 192 kbps MP3 on the free plan, with 320 kbps MP3 and lossless WAV or FLAC on Pro. If you want a high-quality vocal remover that runs on your own machine, Ultimate Vocal Remover is free and open source for Windows, Mac and Linux. Nothing else in this roundup separates stems, ours included.

The changer is the other half of Tunebat's traffic. Its page describes transposing and stretching your files to a target key or tempo, and people arrive there searching for a bpm changer online free. Two things are worth knowing before you render a new file. Any audio bpm changer re-encodes what comes out, so a bpm changer mp3 round trip costs you a little quality every time, and a DJ app already shifts pitch and tempo while it plays, which is usually what you wanted.

Whichever you choose

What actually separates them.

01

Where the number comes from

A lookup site repeats what a streaming catalog already decided. An analyzer computes the key and tempo from the audio in front of it. Tunebat runs both, and its own FAQ says the two can disagree, because the database values are Spotify's estimates and the uploader uses different algorithms.

02

Whether it reads your files

Bootlegs, promos, your own edits and anything unreleased are not in a streaming catalog, so no database can answer for them. That single limit is what sends most DJs looking for something else, and it is the one thing every lookup site shares.

03

Where the result lands

A number on a web page still has to reach your library. Tools that write into ID3 tags or straight into the DJ app save you the retyping, and they scale: copying key and tempo by hand is fine for five tracks and hopeless for five hundred.

04

The extras, not just the finder

Tunebat bundles more than analysis: a vocal remover, BPM tapper, a metronome, mastering and a changer sit behind the same nav. Decide which one you came for. An audio pitch changer online and an audio key changer solve a different problem than looking up a tempo.

One organized library, every app.

Vibes imports from and exports to Rekordbox, Serato, Traktor, and Engine DJ, so the software you pick is never a lock-in.

Track 001 by Artist A

Track 001

Artist A

128
3A
Track 002 by Artist B

Track 002

Artist B

124
5B
Track 003 by Artist C

Track 003

Artist C

132
8A
Vibes App
Playlists
Vibes
Mood
Aggressive
Euphoric
Melancholic
Mysterious
Peaceful
Playful
Tense
Function
Arrangement
Sets
Club Night 12/28
NYE Closing Set
Rooftop 01/04

Frequently asked questions

The honest answers, including the trade-offs.

It depends which half you use. The database numbers come from the Spotify Web API, so they are Spotify's estimates rather than Tunebat's, and Tunebat's own FAQ says the uploader can return different values because it runs different algorithms. The uploader analyzes your file in the browser using Essentia models from the Music Technology Group at UPF. Both are estimates. Treat key as a strong guess and check anything you plan to mix into, as in how to tell what key a song is in.
Nobody can prove one, and the accuracy percentages you see on comparison sites are published by the tools making the comparison. In practice, tempo detection agrees on steady four-on-the-floor material and disagrees in the same places: half or double time, live drummers, long intros without drums, and tracks that change tempo. Pick the one that writes into the library you play from, then fix the handful of outliers against the grid.
No honest answer exists, ours included. Mixed In Key markets its detection as the most precise, Tunebat's uploader uses open Essentia models, and every DJ app analyzes on import. They tend to be wrong on the same material: modal tracks, shifting harmony, heavy vocal layers. Run two of them over ten tracks whose keys you already know and keep the one that matches your ears, then organize by BPM and key.
Usually the one already installed. rekordbox has a Free plan, and its analysis puts key and BPM on the tracks in your collection, which beats copying numbers off a web page into a tag field. If you play in something else, a lookup site handles released music at no cost, and Tunebat's uploader analyzes your own files in the browser for free. See the rekordbox integration for how that data moves.
By search demand it is Tunebat, whose database covers over 70 million songs and which most people mean when they say they looked up a key. Among paid desktop tools it is Mixed In Key, the one most comparisons treat as the default and whose site quotes DJs like David Guetta and Kaskade. Popular is not the same as accurate, and neither answers where the result should end up.
Not in the way people expect. Everything the site lists is browser based, and there is no desktop Tunebat app in its navigation: the finder, the changer and the separation tool all run on the page. The Tunebat API page does not offer a first-party endpoint either. It points developers to its partner Songstats for track metadata and analytics instead. For numbers written into your files, you need a desktop tool.
Only the analysis half, and we make Vibes, so weigh that accordingly. Vibes analyzes BPM, key, energy and track sections across an entire library at once, then exports playlists, tags and cue points back to rekordbox, Serato, Traktor and Engine DJ. It does not remove vocals, master audio or transpose files, and it reads files you own rather than streaming services. See what a DJ library holds and pricing.

From a Vibes customer

The import worked perfectly. Have created several sets now and my life is so much easier
Danny

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Methodology

How we keep this honest.

Verified against the source

Every claim about each app is checked against its official site and current pricing.

We own our bias

We make Vibes, a library tool, not DJ mixing software. The picks above are independent, and we recommend the app that fits you, not the one paired with us.

Live pricing

The Vibes price shown comes straight from our checkout, never a hardcoded marketing number.

Kept current

Last reviewed June 2026.

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