Maastr

Spec sheet

What it does

Maastr is an AI-powered online mastering service tuned for loud music.Read 4 Oct 2026 · maastr.io

Security

Maastr says it uses commercially acceptable means to protect personal data but cannot guarantee absolute security.Read 4 Oct 2026 · maastr.io

Support

The privacy policy says users can contact the company with requests and that it will try to respond as soon as possible.Read 4 Oct 2026 · maastr.io

Founded

2020Read 28 Sep 2026 · maastr.io

Audio formats

The homepage says users can upload WAV and MP3 files.Read 4 Oct 2026 · maastr.io

Collaboration

Users can share tracks, manage versions, and get feedback in one place.Read 4 Oct 2026 · maastr.io

Free sign-up

The homepage offers a free try and says no credit card is required.Read 4 Oct 2026 · maastr.io

Free use

The company says free users receive a single balanced master to review.Read 4 Oct 2026 · maastr.io

Intended genres

Maastr is designed especially for loud, guitar-forward genres such as punk, metal, and hardcore.Read 4 Oct 2026 · maastr.io

Maker and launch

Maastr says it launched in 2020 and names Jay Maas as CEO and Joe Tagliaferro as CTO.Read 4 Oct 2026 · maastr.io

Mastering output

Maastr says its audio engine boosts loudness while maintaining clarity and dynamic balance.Read 4 Oct 2026 · maastr.io

Payment handling

Maastr says it does not store or collect payment card details and names Stripe as a payment processor.Read 4 Oct 2026 · maastr.io

Workflow features

Maastr includes version tracking, mix note timelines, and revision history.Read 4 Oct 2026 · maastr.io

Plans and prices

Every Maastr plan and price →

Where Specifiction places it

• AI mastering tools#27 of 507.7