CortexDJ vs Algoriddim djay Pro

Two capable DJ apps, two very different philosophies. Algoriddim djay is a polished, cross-platform app built around streaming integrations and live performance: the download itself is free, and a PRO subscription unlocks the rest. CortexDJ is a free-core app for Windows 10/11 with a macOS beta (Apple Silicon), built around analyzing your own local files and auto-generating structure-aware DJ sets and mashups completely offline. This page lays out the honest trade-offs so you can pick the right tool.

The short version

If you want to DJ from streaming services on macOS, iOS, or Windows, djay is a well-established, refined choice — you can start on the free download and subscribe to PRO when you need the full feature set. If you have a local library (MP3, FLAC, WAV, AIFF, M4A/AAC, OGG), want deep track analysis and automatic set building that respects key, energy, and song structure, and you'd prefer a free core with a one-time Lifetime option, CortexDJ is built for you.

What CortexDJ does

• Analyzes your local files for Camelot key, exact BPM, a 1-10 energy rating, and full song structure (intro, drop, break, outro). The analysis is studio-grade and tuned to agree with Mixed In Key on key and energy.
• Auto-generates a full DJ set from a folder in seconds, fully offline: beatmatched, harmonically mixed on the Camelot wheel, with a sensible energy curve and real transitions (tempo-match, harmonic blend, and a single clean bass swap on the downbeat).
• Mashups. A MASH score finds compatible tracks, builds vocal-over-instrumental mashups using AI stem separation, and occasionally drops a "mashup moment" transition inside an auto-mix.
• Natural-language set building. Type "90s peak-time house, 1 hour" and it builds the set.
• Live performance. VirtualDJ-style dual decks with play, cue, sync, keylock, 3-band EQ, loops, hot-cues, and jog, plus a persistent library with crates and played-marking.
• Runs locally. No cloud upload and no subscription for the core — just a free license key we email you on download.

Where CortexDJ is honest about its limits

CortexDJ works with local files only. It does not stream from Spotify, Apple Music, or TIDAL. It does not yet export cues or playlists to Rekordbox or Serato (on the roadmap). CortexDJ runs on Windows 10/11, with a macOS beta (Apple Silicon) — auto-mix, live decks, library, analysis and stem mashups all work on Mac, and recording and live-streaming are wired up there too — they are just the newest part of the beta. If those are must-haves today, factor that in.

Comparison table

Prices and features below are as of 2026 and can change. Please verify current details on each vendor's own site before buying.

This table sticks to well-known, high-level facts. We're not claiming any specific djay feature is missing; where a cell is brief it simply reflects each app's focus. The djay tier details above come from Algoriddim's own Microsoft Store listing, which states: "An optional subscription is required to access all PRO features, including Automix, 4 decks, single deck view, full hardware integration and MIDI mapping, recording, pre-cueing…". Tiers change — always confirm the specifics with Algoriddim directly.

How to choose

Choose djay if you want a mature, cross-platform app, you DJ primarily from streaming catalogs, you DJ on iPhone or iPad, and a PRO subscription fits how you like to pay for the full feature set.

Choose CortexDJ if you own your music, you want serious analysis and automatic, structure-aware set generation and mashups that run entirely offline, you're on Windows 10/11 or an Apple Silicon Mac (macOS beta), and you want automatic mixing and rendered sets with no subscription at all — with a one-time Lifetime option instead of a recurring bill if you later want MIDI, recording and streaming.

It's also worth knowing the wider landscape. Mixed In Key is the industry-standard analysis and tagging tool that writes Camelot key and energy tags you then use inside another DJ app; it isn't a mixing app itself. VirtualDJ is a long-established, full-featured live DJ platform with a free Home tier for non-professional use and a paid Pro tier. CortexDJ aims to combine studio-grade analysis with hands-off, structure-aware set building in a single free-core app.

Try it free

CortexDJ is free for home use, installs in minutes on Windows 10/11 or the macOS beta (Apple Silicon), auto-updates, and needs no subscription to start (just the free license key emailed with your download). Point it at a folder, watch it build a beatmatched, harmonic set in seconds, and decide for yourself. Download it free and take it for a spin, and if you later want MIDI, recording, or live-streaming, Pro and a one-time Lifetime option are there when you need them.