Stackwax is Tops
Kudos to the developer for thinking of this unique concept. 🙌🏼🙌🏼
Response from developer
I’m glad you find it useful Murge! Love your tunes :D

Instantly identify music playing around you, detect its BPM and key, and add it to your digital library. Organize your music by key or BPM, plan DJ sets, and discover vinyl versions through integrated Discogs listings.
1.0.4
July 27, 2026
Discogs import, fixed and smarter. IMPORT ALL now saves the whole collection, every track (it was dropping all but the last). New prompt on import: mark a collection as yours, or flag it as just browsing. Bulk LOOKUP shows live progress while it runs. Cleaner type and layout across the library.
MoreUnlimited recognitions, library, Discogs import, sync.
I’m glad you find it useful Murge! Love your tunes :D
Stackwax is a DJ library and music identification tool. It helps you identify tracks, detect their BPM and key, organize them, and plan DJ sets, with integrated Discogs listings for vinyl purchases.
Stackwax listens to music playing around you and uses its technology to identify the track in real time, providing details like BPM, key, and Camelot code.
Yes, Stackwax allows you to shelve identified tracks directly into your library. You can then sort and organize your music by BPM, key, or Camelot code.
Absolutely. You can drag tracks into playing order within your library to sketch out your next DJ set before you start performing.
When you find a track you like, you can tap through to its Discogs listing within the app to purchase it on vinyl without leaving Stackwax. You can also connect your existing Discogs collection.
Stackwax offers a monthly subscription for $4.99 and an annual subscription for $34.99, providing access to premium features.
Based on the provided data, Stackwax is currently supported on iPhone and iPod devices.
The latest version of Stackwax is 1.0.4, and it was last updated on July 27, 2026. This suggests a relatively recent update cycle.