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MasteringKit vs Soundtool

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

MasteringKit compared with Soundtool
DetailMasteringKit logo MasteringKitSoundtool logo Soundtool
What it doesOnline AI mastering for finished songs with free preview and AI-powered adjustment Free online audio tools, virtual instruments and AI voice cloning
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: 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 Not given
Key features
  • 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
  • 15 playable virtual instruments including piano, guitar, drums, violin, cello, saxophone, trumpet, flute, clarinet, ukulele, harmonica, harp, kalimba, xylophone, and bass guitar
  • AI voice cloning with 10-second voice sample recording for Chinese and English
  • Speech-to-text transcription with support for 90+ languages and SRT subtitle export
  • Stem splitter separating songs into vocals, drums, bass and other stems using Demucs model
  • AI noise removal using deep neural network to clean audio from hiss, hum, wind and background noise
  • Audio format conversion supporting MP3, WAV, M4A and WebM
  • Audio effects including reverb, 8D audio, distortion, delay, echo, chorus, flanger, fade in/out and equalizer
  • Signal generators for binaural beats, white noise, tone generation and metronome
  • Audio editing with trimming, cutting, merging, reversing, normalization and compression
  • Text-to-speech with 30+ AI voices in American and British English
What makes it different
  • 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
  • All processing happens entirely in your browser with no server uploads and no registration required
  • Complete audio workflow from raw recording to finished export with 67 free tools
  • Fully translated into 14 languages with every interface element localized
  • All AI tools run entirely on-device with no server cost, no upload queues, and unlimited use
  • Instant access to tools with no downloads, plugins or installation required
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)619
Referring domains (Majestic)16

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