One-time lifetime license, no monthly fee, no cloud dependency — Music Library Doctor covers the library-health side of what Cratehackers does, without the subscription.
Cratehackers is a cloud-first DJ platform built around set-prep — AI crate generation, streaming-playlist import, record-pool integrations, and multi-device sync. For DJs who actually need that whole bundle, the subscription makes sense. But many DJs don't need (or don't want) the cloud platform — they just want their existing Rekordbox, Serato, or VirtualDJ library to stop having duplicates, missing tracks, and quality problems. Paying a subscription for features they won't use is the wrong fit.
Supported today
Rekordbox · Serato DJ · VirtualDJ (incl. Favorite Folders) on Windows 10+ and macOS (Apple Silicon + Intel).
MLD is a desktop tool, not a cloud platform — that's the deliberate scope choice. You install once, pay once (lifetime license), and the tool runs entirely on your machine. No login, no monthly billing, no sync server holding your library hostage if you cancel. The features that overlap with cloud platforms (cross-DJ library health, deduplication, migration) are first-class. The features that don't overlap (AI crate generation from text, record-pool sync, multi-device cloud sync) are simply absent — by design. If a cloud platform is what your workflow needs, a subscription tool is the right shape. If you want a one-time purchase that fixes your library on your machine, MLD is built for that slot. *Smart Upgrade is a Pro feature; you are responsible for ensuring you have rights to obtain replacement content.*
No. MLD's scope is library health (missing tracks, duplicates, paths, quality), not set-building. If AI-driven crate suggestions from text prompts are a primary need, you'll want a tool built for that — MLD isn't a replacement on that axis.
Yes — Track Matcher shipped in v3.0. Paste a Spotify public playlist URL (no sign-in needed), and Music Library Doctor matches every track against your library and sends a finished crate into Rekordbox, Serato or VirtualDJ. YouTube Music, plain text lists, and .m3u files are also supported. No OAuth, no account.
Yes — and unlike Cratehackers (which is Spotify-focused), MLD pages through the entire YouTube Music playlist no matter how long it is. A 300-song playlist comes back as 300 tracks complete, with deleted or private videos skipped quietly. No Google sign-in. Useful if your set prep lives on YouTube Music rather than Spotify.
Two pillars where the scope is different. (1) FFT-based audio quality scoring — every track gets a 1–10 score that exposes fake-320 MP3s and fake FLACs hiding in your library. (2) Sound Recognition (Pro) — point MLD at a file named track01.mp3, it identifies the song by listening to a sample and renames it across tag, filesystem, and your DJ database in one step. Neither workflow exists in a cloud-platform tool.
No. MLD is library-side only — it cleans what's already on your disk, not what's available to download. Record-pool downloads are a separate category of tool.
No. MLD is a one-time lifetime purchase — all current and future versions, no recurring charges.
No. MLD is fully local — no login, no sync, no uploads, no cloud account. The local MLD database is SQLCipher-encrypted; music files never leave your machine.
Cratehackers is a cloud DJ workflow platform with AI features. MLD is a local DJ library audit tool with deep multi-app integration. The overlap is library health and dedup. If your need is the cloud platform side, you'll want a subscription tool. If your need is library cleanup for the DJ apps already on your machine, MLD does that for a one-time purchase.
Yes. Many DJs use MLD for local library hygiene and a cloud tool for crate-building. They solve different problems. MLD's writes stay local — nothing conflicts with a cloud platform's sync.
Free tier covers scanning and detection. Pro is a one-time lifetime license — paid once, no subscription. Current founding pricing is on the homepage.
