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All to Audiobook vs MasteringKit

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

All to Audiobook compared with MasteringKit
DetailAll to Audiobook logo All to AudiobookMasteringKit logo MasteringKit
What it doesTurn books and documents into audiobooks Online AI mastering for finished songs with free preview and AI-powered adjustment
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 3 hours of audio, 2 voices, MP3 files per chapter. Pro: $19 launch price (then $29), unlimited length, 13 voices, M4B audiobook with chapters and cover. Studio: $49 launch price (then $69), 5 languages, custom voice, multiple voices per character, 2 devices. 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
  • Supports EPUB, PDF, DOCX, TXT and Markdown files
  • No file uploads; processing happens in your browser
  • Resume from where you stopped
  • Multiple voice options
  • M4B audiobook format with chapters and cover
  • Custom pronunciation list for names
  • Download chapters as MP3 files
  • Different voice for each character in a book
  • 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
  • Privacy-first: files never leave your computer
  • Listen while converting; start within a minute or two
  • Your audiobooks are yours to keep forever
  • Works on Mac and Windows with desktop app Studio
  • 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 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)06
Referring domains (Majestic)01

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