Lacuna vs Window Dance 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 Window Dance AI
Detail	Lacuna	Window Dance AI
What it does	AI song generator that turns ideas or lyrics into complete songs with vocals, then lets you remix, extend, split stems, and master on one canvas	Upload one photo and get a 12-second Window Dance video in minutes
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free: 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	Single: $9.99 for 1 video. Trio: $19.99 for 3 videos ($6.66 each). One-time payment, no subscription. Credits never expire. Unused credits refundable within 7 days.
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	Free photo check before payment to verify photo quality Generate videos in browser without app or account 12-second vertical 720p MP4 with original AI-generated beat Pet detection and generation for dogs and cats Video delivery by email within 3–5 minutes Full scene regenerated around your photo QR code upload from phone to computer Failed generations automatically refund credit
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	No CapCut template needed; full scene generated instead of face-swap Works with pets, which CapCut templates cannot do Pay per video with no subscription or account required Videos preserve your face, hair and outfit from the photo Private by default; photos and videos not used to train AI models
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	30 +1 (up) since last check	14 +10 (up) since last check
Trust Flow (Majestic)	15	0
Citation Flow (Majestic)	35	0
Referring domains (Majestic)	191	0

5 details filled in for both companies.

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