Appliage vs Kastavo

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

Appliage compared with Kastavo
Detail	Appliage	Kastavo
What it does	Free appliance age finder that decodes serial numbers to find manufacture dates	Free online tools to convert files, calculate values, generate codes and transform text in your browser
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	BR
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Supports 81 appliance brands including HVAC, water heaters and boilers Decodes using official manufacturer date code rules Uses government energy records and certification directories No signup required Shows recall notices when available Results labeled as Confirmed, Estimated, Candidates or No date 390,732 models on file	Compress and convert images (JPG, WebP, PNG) Merge, split and convert PDF documents QR code generator for text, links, Wi-Fi, Pix, vCard and SMS Word and character counter with real-time processing JWT decoder showing header, payload and expiration Compound interest calculator with monthly contributions Color picker showing HEX, RGB and HSL values Unit converters for length, temperature and more Video compression by selecting resolution and quality Freelance hourly rate calculator for income goals
What makes it different	Independent research not affiliated with any appliance manufacturer Uses multiple official sources including manufacturer documents and government databases Model records help narrow down repeated year codes	All tools run entirely in your browser with no file uploads or server processing Fast results with instant processing directly in your browser No sign-up required with no hidden limits or paywalls Available in three languages with localized units and formats Regularly updated catalog with new tools added continuously
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)	1 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	13	21
Referring domains (Majestic)	12	5

5 details filled in for both companies.

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