Lacuna vs Polysh

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 Polysh
Detail	Lacuna	Polysh
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	Turn screen recordings into narrated product videos
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free trial
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	Free during early access. After early access ends, pricing will be based on credits charged per minute of finished video and per added language. Exact rates to be announced.
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	AI script rewriting and editing AI voiceover with 16 languages Automatic click zoom and sync Step-by-step guides as page or PDF SRT and VTT captions Chrome recorder and Mac app Workspace with SSO and roles Share links with viewer analytics Credit estimate before export Backgrounds, music, and speed presets
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	Real footage never generated, only script and voice rewritten Full approval workflow before export Agents can record and create videos automatically Keeps original recording unchanged No training on user content
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	Not checked yet no change 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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