Quantara Music vs eMastered
eMastered is a popular subscription-based AI mastering service known for being fast and simple. If you want a one-click result and a subscription suits you, it does the job. If you'd rather master for free, see real meters, and keep control of the chain, Quantara Music is a focused alternative.
eMastered is a subscription-based, cloud AI mastering service. You can preview for free, but exporting a master requires a paid plan.
Feature comparison
| Feature | Quantara | eMastered |
|---|---|---|
| Master & export for free, no credit card | ✓ | — |
| Processing in your browser (audio stays local) | ✓ | — |
| Loudness-matched A/B comparison | ✓ | Limited |
| Live LUFS + true-peak + dynamics meters | ✓ | Limited |
| Fully adjustable, transparent chain | ✓ | Limited |
| Per-platform & per-genre targets | ✓ | Limited |
| Built specifically for AI-generated music | ✓ | — |
| Stem separation included | Coming soon | — |
| To download a finished master | Free (3/mo) | Subscription |
| Free tier lets you download the finished file | ✓ | — |
| Processing in your browser (audio never uploaded) | ✓ | — |
| Vinyl pre-master mode | ✓ | — |
| Multiband glue compression | ✓ | Limited |
About this comparison. Rows describing Quantara are verified against our own product. Rows describing eMastered reflect publicly documented positioning at the time of writing and are not a statement of their current terms — features and pricing change, and eMastered may have updated theirs since. We deliberately do not quote eMastered prices here, for the same reason: both sides publish current pricing on their own sites, and that is where you should check before deciding. "Partial" means partially available or dependent on plan. eMastered is a trademark of its respective owner, named here for identification and comparison only; Quantara Music is not affiliated with, endorsed by, or sponsored by eMastered. Spotted something out of date? Tell us via contact and we will correct it.
When to choose eMastered
Choose eMastered if you want a fast, hands-off one-click master and a subscription fits how you work.
When Quantara fits better
Choose Quantara if you want a free tier with no card, transparent control over every stage, real metering you can trust, and first-class support for mastering AI-generated music.
Frequently asked questions
Yes — 3 exports per month, no credit card required, and unlimited on the Pro plan.
Quantara is transparent and adjustable, runs in your browser, shows real LUFS and true-peak meters, and offers a loudness-matched A/B so you can verify the change rather than trust a black box.
Yes — Quantara has dedicated guides and presets for mastering AI-generated music.
eMastered lets you preview a master before paying, with the download behind a subscription. Quantara includes 3 free WAV exports a month with no card. Pricing on both sides changes — check eMastered's site for their current terms.
Yes. You can load a commercial reference and compare your master against it at matched loudness, which is the honest way to judge tone rather than volume. Quantara also publishes a guide explaining what a reference can and cannot do.