Rmark AI 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.

Rmark AI compared with SFX Engine
Detail	Rmark AI	SFX Engine
What it does	Image and video cleanup tools for creators, online sellers and everyday projects.	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	Freemium	Paid
Pricing	Image background removal is free for a limited time with daily allowances for verified accounts. Video watermark and subtitle removal cost 6 credits per operation. Video background removal costs 6.6 credits per 30 frames. One credit equals $0.01. Credit packs start at 600 credits for $6.00, 3000 cre	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 background remover for product photos and design assets Video watermark remover to clean up logos and corner marks Video subtitle remover for embedded captions Video background remover for subject isolation Preview results before downloading Browser-based tool with no software installation Export with transparent or solid backgrounds Support for JPG, PNG, WebP images and MP4, MOV, WebM videos	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	All three video tools share one credit balance Pay-as-you-go with no automatic renewal	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)	8 +1 (up) since last check	40 +1 (up) since last check
Trust Flow (Majestic)	23	26
Citation Flow (Majestic)	28	42
Referring domains (Majestic)	38	850

5 details filled in for both companies.

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