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Upscayl vs SFX Engine

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

Upscayl compared with SFX Engine
DetailUpscayl logo UpscaylSFX Engine logo SFX Engine
What it doesAI-powered image upscaler that enhances low-resolution photos to 4K quality AI sound effect generator that creates royalty-free SFX from text descriptions in seconds
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingNot given Starter: $10/month or $8/month billed yearly for 500 credits. Creator: $25/month (50% off first month) or $20/month billed yearly for 4,000 credits. Pro: $90/month (50% off first month) or $72/month billed yearly for 15,000 credits. Each sound effect costs 3 credits. Browsing and downloading from th
Key features
  • AI-powered detail enhancement and reconstruction
  • Multiple upscaling options up to 4x resolution increase
  • Professional 4K upscaling suitable for commercial use
  • Portrait enhancement mode for facial features
  • Supports multiple image formats including JPG, PNG, WEBP, BMP
  • Batch processing up to 100 images at once
  • Instant HD conversion in 15-30 seconds
  • API access for batch and advanced processing
  • Face restoration with CodeFormer model
  • Anime and illustration upscaling with specialized models
  • AI sound effect generation from text descriptions
  • Sound effects up to 47 seconds long
  • Background music creation
  • DJ transition maker
  • Stem splitter for music
  • Royalty-free commercial license included
  • Free public library of pre-made sounds
  • API access on all plans
  • Voiceover generation
What makes it different
  • Lossless AI upscaling that preserves natural textures and details without over-sharpening
  • Privacy-first: all images automatically deleted after processing, never permanently stored
  • Fast processing with crystal-clear results in seconds
  • Transparent pricing with free tier and multiple paid plans
  • Independent operation with clear disclosure of AI models used
  • Generated sound effects are royalty-free for commercial use without licensing fees
  • Sounds created from text descriptions are unique to your project
  • Generate sounds in 5-15 seconds typically
  • Supports diverse use cases including games, video, podcasts and music production
  • Cancel anytime with no long-term commitment
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)42 no change since last check39 no change since last check
Trust Flow (Majestic)2526
Citation Flow (Majestic)3542
Referring domains (Majestic)348850

4 details filled in for both companies.

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