AudioUtils vs MasteringKit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

AudioUtils compared with MasteringKit
Detail	AudioUtils	MasteringKit
What it does	Free browser-based audio converter with no uploads or signups required	Online AI mastering for finished songs with free preview and AI-powered adjustment
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 5 conversions per month with 10-second preview output, 20MB file size limit. Pro Weekly: $5.99/week with unlimited conversions, full-length output, 500MB file size limit. Pro Monthly: $9/month with same Pro features. Pro Yearly: $5/month billed as $60/year (44% discount) with same Pro features	Free: 30-second preview, 10 revisions with free account, no full-track download. Unlimited: $14/month or $43/year ($3.58/month), unlimited full-track exports, 20 revisions per track. Unlimited Plus: $22/month or $65/year ($5.42/month), everything in Unlimited plus unlimited revisions, full-length pr
Key features	Local browser-based processing with WebAssembly Works offline once page loads Support for MP3, WAV, FLAC, OGG, M4A, AAC, WMA, AIFF, Opus Unlimited conversions with Pro subscription 500MB file size limit on Pro plans Audio editing tools including cutter, joiner, compressor, and speed changer Cross-device access with Pro subscription Works on all modern browsers and operating systems	Free 30-second mastered preview without signup Eleven mastering controls plus intensity setting and six-band EQ Six engineer styles as different starting points Plain-language prompt mastering with AI descriptions New version created for each adjustment, comparable while playing Batch mastering up to 10 tracks with Unlimited Plus Downloads as WAV 24-bit or MP3 320 kbps Accepts WAV, MP3, FLAC, AIFF, M4A, OGG files up to 1.5 GB and 22:30 long Priority render queue with Unlimited Plus plan Full-length preview available with Unlimited Plus
What makes it different	Files stay on your device with no server uploads No installation, plugin, or account signup required Works offline after initial page load Processes audio at full CPU speed locally in browser Conversion starts immediately without upload delays	Free preview with no account required before paying AI-powered mastering styles as alternatives to hiring an engineer Plain-language adjustment descriptions instead of technical audio parameters Supports mastering of AI-generated songs Every revision saved and comparable while playing the track
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	25	6
Referring domains (Majestic)	136	1

5 details filled in for both companies.

More alternatives to AudioUtils More alternatives to MasteringKit