Online Ruler vs Xplosole

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

Online Ruler compared with Xplosole
Detail	Online Ruler	Xplosole
What it does	Measure anything on your screen with pixel-perfect accuracy	Free PDF, image and text tools, calculators and AI writing tools — all free, no signup.
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	All tools are free with no usage limits, no premium tiers, and no credit card required.
Key features	Smart Auto-Detect identifies your device from a database of 100+ profiles Three calibration methods: auto-detect, screen diagonal, and credit card Place rulers on any edge of the screen in any combination Click-to-measure distances in any direction Live cursor position tracking Dark mode with automatic system preference detection Support for four measurement units: cm, mm, inches, and pixels	Not given
What makes it different	No installation required—runs entirely in your web browser Achieves near pixel-perfect accuracy typically within 0.5mm for well-calibrated screens Completely free with no ads, account, or limitations Calibration saved locally so no need to recalibrate on each visit Works on tablets and mobile devices with touchscreen support	All tools run in your browser with no signup or file uploads to servers Instant processing with no server round-trip for browser tools Completely free with no hidden fees, premium tiers or credit card required Works offline after initial use and on any device Privacy-first approach with AI tools never storing or training on user data
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	4 no change since last check
Trust Flow (Majestic)	0	6
Citation Flow (Majestic)	17	22
Referring domains (Majestic)	4	6

3 details filled in for both companies.

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