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Lacuna vs B-Roll AI

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

Lacuna compared with B-Roll AI
DetailLacuna logo Lacuna B-Roll AI
What it doesAI song generator that turns ideas or lyrics into complete songs with vocals, then lets you remix, extend, split stems, and master on one canvas Match your camera roll to trending audios
StageNot given Not given
FoundedNot given Not given
Based inNot given TR
Pricing modelFreemium Freemium
PricingFree: 120 credits per month, no card required. Basic: $114/year (or $9.50/month), 2,500 monthly credits. Pro: $294/year (or $24.50/month), 7,500 monthly credits, includes downloadable license PDF. Ultra: $594/year (or $49.50/month), 25,000 monthly credits, includes downloadable license PDF and unlim Free plan forever. B-Roll AI Pro: $4.99/mo or $29.99/yr with free trial available
Key features
  • Generate complete songs with AI vocals, lyrics, melody, and instrumentation in any genre
  • Multiple AI models: Aether (wide styles), Reverie (lyrics sung exactly as written), Echo (structured songs), Cadence (melody-based)
  • Remix, extend, and rewrite specific sections while keeping lyrics time-aligned
  • Split tracks into 2, 4, or 6 stems (vocals, drums, bass, instruments)
  • AI mastering on the same canvas with reference sound matching
  • Train and use your own singing voice on new songs or swap onto existing tracks
  • Hum a melody or upload MIDI file to build a full song around it
  • Add instrumentation to a vocal or vocals to a beat
  • Support for 10+ vocal languages with Reverie model
  • Commercial license included on all paid plans; Pro and Ultra include downloadable license certificate
  • On-device video tagging with Apple Vision framework
  • Live trend inbox with rising and peaking audios refreshed daily
  • Trend lifecycle tracking to alert before trend dies
  • Built-in video editor with trim, speed, 9:16 crop, beat-sync
  • Beat-sync waveform display for audio alignment
  • Speed control with pitch preservation: 0.5x, 1x, 1.5x, 2x
  • Dual audio mixing for trend and original sound
  • Push notifications for trend matches
  • No sign-up required, works immediately upon photo access
  • Local-first privacy with minimal cloud footprint
What makes it different
  • Can edit specific sections on the waveform without regenerating the entire song
  • Available in 9 languages for global audience
  • Works for producers, songwriters, content creators, and independent artists without requiring music knowledge
  • On-device scanning keeps your videos private and never uploaded to servers
  • Alerts before trends peak so you can post while they still have reach
  • Built-in editor with beat-sync means no need for separate editing apps
  • Finds existing footage in your camera roll instead of starting from scratch
  • No accounts or sign-up required to start using
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)30 +1 (up) since last check25 −1 (down) since last check
Trust Flow (Majestic)150
Citation Flow (Majestic)3515
Referring domains (Majestic)1915

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