FreeUpscaler vs CastRemix

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

FreeUpscaler compared with CastRemix
Detail	FreeUpscaler	CastRemix
What it does	Upscale video to 4K on your own GPU for free, or use cloud AI models	AI video character swap. Give the scene a new lead.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Local methods: free and unlimited. Cloud AI: 3 free credits on sign-up; credit packs from $5 (150 credits plus 20% bonus on first top-up); AI Restore ≈95 credits, Video Enhance ≈12 credits, Topaz Proteus ≈68 credits, Topaz Starlight ≈68 credits. Video prices are per 10-second 720p clip enlarged 2×.	Starter: $9.9 USD/month for 500 credits; Creator: $29.9 USD/month for 1,800 credits; Studio: $99.9 USD/month for 6,500 credits. Monthly or yearly plans available with 2 months free on yearly subscriptions. Credits renew automatically each billing period.
Key features	Upscale video 2×, 3× or 4× without upload Runs entirely in browser on local GPU Supports H.264, VP9, AV1 codecs Results stored 30 days for cloud runs Hardware-accelerated H.264 or VP9 encoding Works offline for local methods Precision and generative AI model options	Upload character photo and reference video Video templates for quick remakes Text prompt editor with reference mentions Credit quote before generation Private video storage and downloads Multiple output resolutions Flexible aspect ratios Credits returned on generation failure
What makes it different	Free local upscaling with no upload, watermark or limits Runs entirely in browser using WebGPU—nothing leaves your device Pay-per-run cloud models with no subscription required Real 4K output at 3840×2160 resolution	Reference-led generation with review before final output Clear inputs with honest example verification Private uploads and generated videos Support for multiple reference clips and images
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)	10 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	21	0
Referring domains (Majestic)	19	1

5 details filled in for both companies.

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