Online Ruler vs QR Code Spot

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 QR Code Spot
Detail	Online Ruler	QR Code Spot
What it does	Free on-screen measuring tools that run in your browser	Free QR code generator with editable codes and scan analytics
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	MV
Pricing model	Free	Freemium
Pricing	Not given	Free plan: 10 editable codes, unlimited static codes and scans, 5 destination changes per month, 7 days analytics. Starter: $4/month billed annually ($5 monthly), 50 editable codes, unlimited changes, 90 days analytics. Growth: $9/month billed annually ($12 monthly), 300 editable codes, lifetime ana
Key features	Actual-size ruler in cm, mm and inches Bank-card and screen-diagonal calibration Top, left and right rulers with drag-to-measure readout Full-screen mode and browser-zoom warning Image measurement tool Length unit converter Touch dragging support for phones and tablets Local storage of calibration without server uploads	Static QR codes that never expire Editable codes changeable after printing Scan tracking and analytics Logo and custom designs Multiple QR code types including Wi-Fi, WhatsApp, payments QR Studio for badge-style code designs Bulk code generation from spreadsheets Print-ready file formats No signup required for basic codes
What makes it different	Calibration step compensates for browsers' inability to detect physical display size ISO/IEC 7810 ID-1 standard bank card calibration ensures reproducible accuracy All calculations run locally in your browser with no data sent to servers Works on any device with a browser and JavaScript enabled Content follows standards-based principles with no invented precision or fake reviews	Codes never expire and keep working even if you cancel Change printed codes after printing without reprinting Privacy-first analytics never recording who scanned No ads anywhere on codes or site Free forever option with 10 editable codes
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)	Not checked yet no change since last check	24 +1 (up) since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	18	18
Referring domains (Majestic)	10	2

4 details filled in for both companies.

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