One diagnoses your mix for free and tells you exactly what to fix. The other masters it for a fee. Here's how they compare — and why they work best together.
"MixDiagnose vs eMasterbot" is a natural comparison — both use AI to analyze audio. But they do fundamentally different things. eMasterbot asks: "Upload your track and I'll master it automatically." MixDiagnose asks: "What's wrong with your mix, and what should you fix before mastering?" One is a mastering service; the other is a diagnostic tool. They're complementary, not competitive. Let's break it down.
| MixDiagnose | eMasterbot | |
|---|---|---|
| Price | Free — 3 analyses/mo, no signup $5 one-time for 10 more · no subscription |
Paid — per-track or subscription No free analysis tier |
| What it does | Analyzes your mix and tells you exactly what to fix | Automatically masters your finished track |
| Frequency balance (6-band) | ✓ Yes — specific bands flagged | ✗ No user-facing analysis |
| LUFS measurement | ✓ Yes — vs streaming targets | ✗ No |
| Dynamic range (crest factor) | ✓ Yes | ✗ No |
| True peak detection | ✓ Yes | ✗ No |
| Stereo width analysis | ✓ Yes — mono compatibility check | ✗ No |
| Specific issue flags | ✓ "Cut 3 dB at 350 Hz" | ✗ Just masters — no explanation |
| Signup required | ✓ No | ✗ Yes |
| Subscription required | ✓ No — pay per use or free | ✗ Yes — subscription or per-track payment |
| Best for | Before mastering — find and fix mix problems | After mixing — auto-master your track |
MixDiagnose gives you a full diagnostic report: 6-band frequency balance, integrated LUFS vs streaming targets (Spotify, Apple Music, YouTube), dynamic range crest factor, true peak, and stereo width with mono compatibility. Every finding is labeled Critical, Moderate, Minor, or Ideal. eMasterbot applies mastering internally but gives you no diagnostic readout — you get a mastered file, not an analysis of what was wrong.
MixDiagnose doesn't just say "your low mids are muddy" — it says "cut 3 dB at 350 Hz" and gives you a severity grade so you know if it's a dealbreaker or a nitpick. eMasterbot applies its mastering chain behind the scenes. You hear the result but you don't learn what was wrong or how to fix it in your mix. If you want to improve as a producer, MixDiagnose teaches you; eMasterbot doesn't.
MixDiagnose is free — 3 analyses per month, no signup, no credit card. Need more? $5 one-time gets you 10 additional analyses. No subscription, no recurring charge. eMasterbot charges per-track or via subscription for mastering. There's no free tier — you pay for every mastered track. If you only need occasional analysis, MixDiagnose is dramatically cheaper. If you master regularly, eMasterbot's mastering may be worth it — but you're paying for mastering, not diagnosis.
MixDiagnose sits before mastering — it's a quality gate that tells you if your mix is ready. eMasterbot sits after mixing — it takes whatever you give it and applies AI mastering. The smart move: run MixDiagnose first, fix the flagged issues, then send the improved mix to eMasterbot. You'll get a better master because eMasterbot is working with a better input.
$0
to start, no strings
Paid
per-track or subscription
eMasterbot and MixDiagnose are complementary, and most producers should use both. Run your mix through MixDiagnose first. If it flags Critical or Moderate issues, fix them in your mix. Then upload the fixed version to eMasterbot. You'll get a better master than you would have from the original mix — because eMasterbot is working with a better input.
The common mistake is skipping the diagnosis step. You finish a mix, it sounds okay on your monitors, you upload it to eMasterbot, and you get back a master that's louder and more polished but still has the same muddy low end or harsh highs. You can't un-fix that in mastering — mastering is downstream of the mix. MixDiagnose catches it upstream, where it's still cheap to fix.
The short version: fix with MixDiagnose, master with eMasterbot. Use MixDiagnose to make sure your mix is ready. Then use eMasterbot to do the mastering. They're different tools for different stages — and using both will get you better results than either one alone.
This adds about two minutes to your workflow and meaningfully improves the final master. The diagnosis is the cheapest part of the process — skipping it is the expensive part.
3 free analyses a month. No signup, no card.