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Vocal Isolator vs AutoSubtitles

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

Vocal Isolator compared with AutoSubtitles
DetailVocal Isolator logo Vocal IsolatorAutoSubtitles logo AutoSubtitles
What it doesAI vocal and music separator for creating acapellas, instrumentals, and karaoke tracks Free AI subtitle generator for video with automatic captions in seconds
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingFree tier: 30-second preview without sign-in, 1 minute free downloads after sign-in, 10 clips up to 30 seconds daily. Pro: $9.99/month for 20 hours monthly. Pay-as-you-go: 20 Minute Pack $1.99, 1 Hour Pack $4.99, 10 Hour Pack $14.99. Free: AI subtitle generation, all subtitle styles and animations, up to 720p export, videos up to 10 minutes, small watermark. Pro: $9/month removes watermark, videos up to 30 minutes, AI subtitle translation, saved custom styles, custom font uploads, priority support. Max: all Pro features with vid
Key features
  • BS-RoFormer AI model for source separation with 18.10 dB instrumental SDR on MVSEP leaderboard
  • Supports MP3, WAV, FLAC, AIFF, M4A, AAC, OGG, OPUS audio and MP4, MOV, M4V, WEBM, MKV video up to 2 GB
  • Returns both tracks as 44.1 kHz, 16-bit WAV or MP3 with sample alignment
  • Speed control from 50% to 150% without changing pitch
  • Key shift up or down by up to 6 semitones without changing speed
  • BPM and key detection on acapella extractor
  • 24-bit WAV output option at 44.1 or 48 kHz on acapella extractor
  • Remove background noise, hum, fans, traffic, and room echo from speech
  • AI-powered transcription in 100+ languages
  • 28 caption style presets
  • Full caption customization
  • Subtitle editor with timing control
  • Browser-based processing with no server upload
  • Animated captions with word-by-word animation
  • AI subtitle translation into 30+ languages
  • Custom font uploads with Pro
  • No signup required
What makes it different
  • Uses AI source separation instead of phase cancellation, keeping bass and drums intact
  • Automatic file deletion after 24 hours for privacy
  • Fast processing on dedicated cloud GPUs with instant preview as upload begins
  • Free to use with no account or login required
  • Renders captions in browser instead of uploading to server
  • Automatic language detection across 100+ languages
  • Viral-ready animated captions for TikTok, Reels and Shorts
  • Video file stays private on user's device
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)5 +3 (up) since last check5 no change since last check
Trust Flow (Majestic)05
Citation Flow (Majestic)032
Referring domains (Majestic)0110

4 details filled in for both companies.

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