Local-first, one-time price, multi-DJ-app native — Music Library Doctor covers the same core ground without subscriptions or cloud dependencies.
Lexicon is one of the best-known commercial DJ library managers, with a broad feature surface and a price tag to match. Two things push DJs to look for an alternative: price and architecture. Lifetime licenses run into the hundreds, monthly tiers pile up over a year or two, and the tool is broad rather than focused — you pay for support you may never use. If your setup is Rekordbox + Serato + VirtualDJ and you want a one-time purchase, local-only tool that does the essentials well, that's the gap.
Supported today
Rekordbox · Serato DJ · VirtualDJ (incl. Favorite Folders) on Windows 10+ and macOS (Apple Silicon + Intel). No DJ software? Folder Library mode audits plain music folders too.
Lexicon: free library conversion between DJ apps. Essential is $10.49 a month or $249 lifetime; Ultimate is $20.99 a month or $499 lifetime. Find Duplicates and filling missing tags are in Ultimate. It supports more DJ apps than MLD, including Traktor and Engine DJ, and has cloud storage as an add-on.
Music Library Doctor: the free tier shows the Library Health Score and every missing track, duplicate and broken path. Pro is $39 once, or $9.99 a month, and includes everything: bulk repair, duplicate cleanup, playlist conversion, Track Matcher. Rekordbox, Serato, VirtualDJ and plain folders, on Mac and Windows, fully local.
The short version: if you need Traktor or Engine DJ, or cloud storage, Lexicon covers more. If your library lives in Rekordbox, Serato or VirtualDJ and the job is repair and cleanup, MLD does it for a fraction of the price.
As of September 2026, from each company's own pricing page. Prices change; check theirs before you decide.
MLD is narrower on purpose: three DJ apps (Rekordbox, Serato, VirtualDJ), one local install, one purchase. There's no cloud sync, no mobile app, no extra app surface to pay for. The tradeoff: you get a one-time lifetime price, all writes happen locally, nothing ever leaves your machine, and the local database is SQLCipher-encrypted. If broad multi-app scope is the most important thing for your workflow, a heavier tool will fit better. If you want a focused, local-only tool with a permanent license at a fraction of the price, MLD is designed for that slot.
No. Feature overlap exists — both do missing-file repair, dedupe, and cross-app transfer — but MLD is deliberately narrower (Rekordbox, Serato, VirtualDJ only), fully local (no cloud), and one-time purchase. Different priorities, different tradeoffs.
MLD focuses on Rekordbox, Serato, and VirtualDJ — the three most common home + club combinations. Traktor and Engine DJ aren't in current scope.
MLD is desktop-only (macOS + Windows). There's no mobile app. Library management lives on the machine where your DJ software runs, so that's where MLD runs.
No — by design. Every scan and every write is local, the local database is SQLCipher-encrypted, and no library data is uploaded anywhere. If cloud sync across devices is a hard requirement, you'll need a different category of tool; if local-only is a requirement, MLD is built for it.
MLD layers exact hashing, confidence-tiered metadata matching, and opt-in acoustic fingerprinting (borderline matches flagged for review instead of auto-grouped), plus a per-copy audio Quality Check. Playlists are re-pointed to the kept copy BEFORE losing copies move to Trash/Recycle Bin — so nothing breaks. That DJ-library awareness is the core differentiator, regardless of which tool you're comparing to.
Yes. The free tier shows the full Library Health Score and surfaces every detected issue. Bulk fixes (missing-file repair, dedupe, folder consolidation, playlist transfer) require Pro — a one-time lifetime license, paid once.
Yes, natively. No downgrade, no third-party decryption helper.
Free tier covers scanning and detection. Pro is a one-time lifetime license, or a monthly plan if you prefer. Current pricing is on the homepage.
It finds Rekordbox, Serato and VirtualDJ on its own, and reads plain music folders when you use none of them. Nothing to configure before the first scan.
macOS 10.15+ or Windows 10+. Notarized and code-signed. See pricing
