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Bulin 47 AI vs Vocal Isolator

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

Bulin 47 AI compared with Vocal Isolator
DetailBulin 47 AI logo Bulin 47 AIVocal Isolator logo Vocal Isolator
What it doesStar in the viral freestyle from one photo AI vocal and music separator for creating acapellas, instrumentals, and karaoke tracks
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Not given
PricingSingle: $9.99 for 10 credits (about 1 video at 480p); Trio: $24.99 for 30 credits (about 3 videos at 480p or 1 in 720p HD); Crew: $69.99 for 100 credits (about 10 videos at 480p or 4 in 720p HD). Credits never expire. Failed renders are refunded automatically. Free 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.
Key features
  • Upload one photo to generate a 19-second video
  • Select from multiple crowd themes including World Cup
  • Download MP4 with original sound or silent copy
  • Video processing takes 5–20 minutes with email notification
  • No watermark on generated videos
  • Automatic refund for failed or blocked renders
  • 9:16 vertical format optimized for TikTok and Reels
  • 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
What makes it different
  • Creates videos from a single photo with no editing or prompts required
  • Customizable crowd themes transform background people into invented characters
  • No app installation needed, accessible via web browser
  • 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 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)15 −2 (down) since last check5 +3 (up) since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)230
Referring domains (Majestic)220

4 details filled in for both companies.

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