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SongToKaraoke vs diffusr

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

SongToKaraoke compared with diffusr
DetailSongToKaraoke logo SongToKaraoke diffusr
What it doesTurn any song into karaoke online using AI to separate vocals from music API to generate ad videos, images and music
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree Plan: 8 free minutes every day. Pass: one-time purchase for 200 minutes a day with 45-Day and 180-Day options available. No auto-renewal. Video generation from $0.0778/second (Seedance 2.0 Mini at 720p, 5s) to $0.2378/second (Seedance 2.5); image generation from $0.02/image (GPT Image 2.5 Flare) to $0.06/image (GPT Image 2); music generation available. Test keys provide real prices with no charges.
Key features
  • AI vocal separation from music
  • Upload audio and video files up to 100 MB
  • Download tracks as MP3 and WAV
  • Built-in browser karaoke player
  • Synced lyrics support (LRC format)
  • Separate volume controls for guide vocals
  • Isolated vocal tracks for reference and remixing
  • Processing in 1-2 minutes
  • Support for MP3, WAV, M4A, and MP4 formats
  • Generate video from text prompts with optional images and voice
  • Generate images from prompts
  • Edit and modify existing images
  • Recast videos with different people or places
  • Generate music tracks
  • Run pre-made content templates
  • REST API and MCP integration
  • Callback webhooks and polling
What makes it different
  • Made specifically for singing, not audio editing or professional production
  • No software installation or plugins required
  • One-time Pass purchase with no auto-renewal
  • Free daily quota resets at midnight UTC
  • Competitive pricing compared to other video generation APIs
  • Idempotent API calls prevent double-charging on retries
  • AI agent integration with MCP protocol
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)10 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)2113
Referring domains (Majestic)171

5 details filled in for both companies.

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