Klox 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.

Klox compared with SFX Engine
Detail	Klox	SFX Engine
What it does	Your AI Video Creation Canvas	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Paid
Pricing	Standard: $9.99/month (1,000 credits/month, $0.010 per credit); Premium: $29.99/month (3,500 credits/month, $0.0086 per credit); Professional: $89.99/month (12,000 credits/month, $0.0075 per credit). Annual billing available at 2 months discount. Credit packs: 100 credits $1.79, 200 credits $3.30, 5	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	Image generation from text or reference images Video generation from text or images Video editing with prompts Video extension to continue existing clips Motion control with reference video Editable canvas for video workflows AI agent integration with Claude Code or Codex First and last frame control Script planning Smart shot generation	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	Canvas can be shared with AI agents for collaborative workflows Automatic refund of credits for failed generations Priority access to new AI models Commercial use allowed with watermark removal Daily login bonus credits	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 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)	12 −1 (down) since last check	39 no change since last check
Trust Flow (Majestic)	23	26
Citation Flow (Majestic)	25	42
Referring domains (Majestic)	19	850

4 details filled in for both companies.

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