Groove Number
swing %, bpm, key, on-device
About
Analyze the rhythmic feel of your music with detailed swing percentage, BPM, and key analysis. Visualize your groove through various graphical displays and export it as MIDI for use in your DAW. All analysis is performed on-device for privacy.
What's New in Groove Number
1.2
October 30, 2026
hey siri, what's the groove number of this song? - siri: say "what's the groove number of this song" and the recorder opens, then stops on its own once it has a reading. "start listening in groove number" opens live. "what was the last groove number" tells you the last reading without opening the app. - shortcuts: a new analyze audio file action gives you swing, bpm and key for any file, on device, so one shortcut can tag a whole folder of samples. open in groove number sends a file straight to analyze. - smaller iphones: the view picker and the midi button no longer get cut off. same on-device analysis. no account, no upload.
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FAQ
What is the groove number of a song?
Groove Number analyzes the rhythmic feel of a song and provides a swing percentage, which indicates how much the timing deviates from a straight grid. A higher percentage suggests more swing or a triplet feel.
How does Groove Number analyze music?
Groove Number can analyze audio files you drop in, record a short clip, or listen to your live microphone input. It processes the audio on your device to determine swing, BPM, and key.
Can I export the groove from Groove Number?
Yes, Groove Number allows you to export the analyzed groove as a MIDI clip. This MIDI data includes the swing baked into the note timing, which can be used in any DAW.
Does Groove Number have ads?
No, Groove Number is ad-free. The app is designed to be calm and honest, with no advertisements or tracking.
What devices does Groove Number support?
Groove Number is available for iPhone, iPad, and Mac. It is built to be fully on-device, ensuring your audio is analyzed locally.
How often is Groove Number updated?
The app was last updated on October 30, 2026, with version 1.2. This indicates regular maintenance and potential feature additions.
What is the price of Groove Number?
Groove Number is a paid application, available for $1.99. There are no in-app purchases or subscriptions required.
Is Groove Number suitable for all music genres?
Groove Number is strongest on four-on-the-floor and electronic music. While it attempts to analyze live, acoustic, and rubato material, it may be harder, and the app shows its confidence levels and provides overrides.
