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Lacuna vs ImgExtender

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 ImgExtender
DetailLacuna logo LacunaImgExtender logo ImgExtender
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 Expand photos without cropping or stretching
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
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: 10 credits (2 generations). Pro: $9.99/month ($119.88 yearly, 2,400 credits/year). Max: $29.99/month ($359.88 yearly, 9,600 credits/year). Each generation costs 5 credits. Free and Pro results are watermark-free for Pro and Max subscribers; free tier results are watermarked.
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
  • Generate new canvas space around images in square, portrait, or landscape ratios
  • Position subject within destination frame before generation
  • Review generated space on comparison canvas before download
  • No prompts required
  • Browser-based editor with no software installation
  • Private uploads and results by default
  • Watermark-free results on Pro and Max plans
  • Commercial use rights on paid subscriptions
  • Support for JPG, PNG, and WebP formats up to 10 MB
  • Same professional image-extension model across all plans
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 complex prompts or AI settings required—just set the frame and position the subject
  • Designed specifically for image extension without upscaling or cropping
  • Full control over composition and subject placement before generation
  • One image adapted for multiple layouts and formats simultaneously
  • Private by default with automatic deletion after 7 days
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 check12 −1 (down) since last check
Trust Flow (Majestic)154
Citation Flow (Majestic)3518
Referring domains (Majestic)19128

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