PROMPTUARY vs FreeUpscaler

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

PROMPTUARY compared with FreeUpscaler
Detail	PROMPTUARY	FreeUpscaler
What it does	Free AI image prompt vault with structured formulas	Upscale video to 4K on your own GPU for free, or use cloud AI models
Stage	Not given	Not given
Founded	Not given	Not given
Based in	IT	Not given
Pricing model	Freemium	Freemium
Pricing	Free: €0. Pro: €7.90/month billed annually (€94.80/year, 20% off monthly rate). Ultra: €15.90/month billed annually (€190.80/year, 20% off monthly rate). Pro and Ultra launch soon; founding members lock the launch price.	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×.
Key features	Structured MODEL/STYLE/SCENE prompt formulas Copy-ready prompts, one per image slide Works across multiple AI image generators Browse by craft category Weekly new formula drops 1-click presets for image models (Pro) Branded PDF pack export (Pro) Early access to video prompts (Pro) Full-res image downloads (Ultra)	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
What makes it different	Formulas designed to survive model updates and regeneration cycles Every image in the vault is the actual output of its formula, not stock or borrowed content Variable-labeled structure lets you change one part intentionally without breaking the whole Completely free vault with no paywall on core formulas	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
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)	3 +3 (up) since last check	10 −1 (down) since last check
Trust Flow (Majestic)	3	5
Citation Flow (Majestic)	18	21
Referring domains (Majestic)	4	19

5 details filled in for both companies.

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