TrackScore vs SPAN: Free Meter vs Full Analysis for Producers
TL;DR: SPAN is a free spectrum analyzer that shows you frequency data in real time. TrackScore is an AI-powered analysis platform that scores your mix across 40+ features and tells you what to fix. SPAN gives you raw visuals — TrackScore gives you answers. If you want to see your frequency curve, use SPAN. If you want to know whether your mix is actually good, use TrackScore.
Quick Comparison
| Feature | TrackScore.AI™ | Voxengo SPAN |
|---|---|---|
| Purpose | Full mix analysis & scored feedback | Real-time spectrum visualization |
| What You Get | Diagnostic report + AI engineer feedback | Frequency spectrum display |
| Tells You What's Wrong | Yes — specific issues with actionable fixes | No — shows data, you interpret |
| EDM-Specific | Yes — 9 subgenre profiles | No — genre-agnostic |
| Hit Potential Score | Yes (0-100) | No |
| Frequency Analysis | Yes — band-by-band scoring vs genre targets | Yes — real-time spectrum display |
| Stereo Width Analysis | Yes — scored with feedback | Yes — mid/side display |
| Danceability / Groove | Yes — Groove Factor scoring | No |
| Structure / Arrangement | Yes — section-by-section breakdown | No |
| AI Feedback | Klaus™ — written mix feedback | None |
| Dynamics / Loudness | Yes — LUFS, dynamic range, crest factor scored | Basic — peak and RMS metering |
| Platform | Web — upload and analyze | Desktop plugin (DAW) |
| Real-Time | No — analyzes full track after upload | Yes — live during playback |
| Price | $2.99/analysis (first free) | Free |
| Best For | Getting scored feedback on finished mixes | Monitoring frequencies while mixing |
What TrackScore Does
TrackScore.AI™ is a mix analysis platform built specifically for electronic music producers. You upload your track, and in about a minute, TrackScore runs it through 40+ analysis features covering frequency balance, mix quality, dynamics, stereo width, danceability, and arrangement structure. The result is a Hit Potential score from 0 to 100 and a detailed diagnostic breakdown telling you exactly what’s working and what needs attention.
Every analysis is scored against genre-specific targets. TrackScore supports 9 EDM subgenre profiles — from house and techno to drum & bass and dubstep — so your bass-heavy dubstep track isn’t judged by the same frequency targets as a minimal techno mix. On top of the numbers, Klaus™, the built-in AI audio engineer, writes specific feedback about your mix: what’s muddy, what’s thin, where your arrangement loses energy, and what to do about it. For a deeper look at how track analysis works, see our full guide.
TrackScore never stores your audio. Your file is streamed into memory, analyzed, and discarded. The goal isn’t to change your sound — it’s to tell you what to change so your mix is solid before it ever touches a mastering chain.
What Voxengo SPAN Does
SPAN is one of the most popular free plugins in electronic music production. Built by Voxengo, it’s a real-time spectrum analyzer that shows your frequency spectrum, peak and RMS levels, stereo correlation, and mid/side analysis — all inside your DAW. It’s highly configurable with adjustable slope, block size, and display options. Available as VST, AU, and AAX, SPAN runs on both Windows and macOS. Millions of producers use it, and it’s excellent at what it does: showing you frequency data in real time.
The key distinction is that SPAN is a visualization tool, not a diagnostic one. It shows you data but doesn’t interpret it. You see a bump at 200Hz, but SPAN won’t tell you if that’s a problem for your genre, how severe it is, or what to do about it. That interpretation requires experience — or a tool like TrackScore™ that does it for you.
Meters vs. Diagnostics: Why Raw Data Isn’t Enough
A spectrum analyzer shows frequency distribution — but knowing what “good” looks like for techno vs. trance vs. drum & bass requires genre expertise. A producer with 10 years of experience can read SPAN and know what’s off. A producer with 10 months can’t. TrackScore™ bridges that gap by scoring each frequency band against genre-specific targets and telling you in plain language what needs attention. It’s the difference between a thermometer and a doctor — one shows you numbers, the other tells you what they mean.
Beyond frequency, SPAN only covers one dimension of mix quality. TrackScore measures danceability with Groove Factor scoring, analyzes arrangement structure section by section, evaluates stereo width quality, checks dynamics and loudness compliance, and delivers written feedback from Klaus™ explaining what to fix and why. Frequency balance matters, but it’s one piece of a much larger picture. For a side-by-side look at how TrackScore compares to mastering tools, see TrackScore vs LANDR.
Pricing Comparison
TrackScore.AI™
- First analysis: Free
- Single: $2.99
- 3-Pack: $7.99 ($2.66/ea)
- 10-Pack: $24.99 ($2.50/ea)
- Starter: $9.99/mo (5 analyses)
- Pro: $19.99/mo (25 analyses)
- Studio: $39.99/mo (100 analyses)
Voxengo SPAN
- SPAN: Free
- SPAN Plus: $55 (sonogram display, extended metering, PNG export)
SPAN is free, and that’s a genuine advantage. For producers on a budget, SPAN is a no-brainer addition to your plugin chain. TrackScore™ costs money — but it gives you interpretation, scoring, and actionable feedback that a spectrum display can’t. Many producers use SPAN while mixing and TrackScore when they think their mix is finished, to catch issues they missed. See all TrackScore pricing options.
When to Use Each Tool
Use TrackScore When
- You want to know if your finished mix is ready for release
- You want specific scored feedback on what to improve
- You’re learning to mix and need guidance on what “good” sounds like for your genre
- You want to track improvement across multiple versions
- You want AI-generated feedback from Klaus™
Use SPAN When
- You want real-time frequency monitoring while mixing
- You want to check stereo correlation during a session
- You need a free visual reference for your mix
- You want to A/B test mix changes in real time
- You’re experienced enough to interpret raw spectrum data
Can You Use Both?
Absolutely — and most serious producers should. SPAN during mixing for real-time frequency monitoring. TrackScore™ after mixing for the full diagnostic. SPAN helps you mix; TrackScore tells you if the mix worked. They operate at different stages of the workflow and complement each other perfectly.
For a broader look at how different analysis and metering tools fit into a production workflow, see our roundup of the best music analysis tools for producers.
Frequently Asked Questions
Is TrackScore a replacement for SPAN?
No. SPAN is a real-time mixing tool that runs inside your DAW. TrackScore is a post-mix diagnostic that analyzes your full track after upload. Use SPAN while you work, TrackScore when you think you’re done.
Why pay for TrackScore when SPAN is free?
SPAN shows you data. TrackScore interprets it, scores it against genre-specific targets, and tells you what to fix. You’re paying for analysis and actionable feedback, not just visualization.
Can SPAN tell me if my mix is good?
SPAN shows you what your mix looks like in the frequency domain. Whether that’s “good” depends on your genre, your reference tracks, and your experience reading spectrum data. TrackScore removes the guesswork with genre-specific scoring and written feedback.
Does TrackScore show a real-time spectrum like SPAN?
No. TrackScore analyzes your full track after upload and returns a comprehensive diagnostic report. It’s not a DAW plugin — it’s a web-based analysis platform that covers far more than frequency alone, including danceability, arrangement, dynamics, and stereo width.