AstralHoro vs Online Ruler

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

AstralHoro compared with Online Ruler
Detail	AstralHoro	Online Ruler
What it does	Western astrology tools with calculated birth charts and tarot readings	Measure anything on your screen with pixel-perfect accuracy
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free features include sun-sign horoscopes, birth chart wheel, and today's sentence. Paid plans (Starter, Orbit, Plus) unlock written charts, six-day readings, journal access, and tarot draws. Individual reports cost 6 credits each (natal, year, bond, cross, relocation, Saturn return); synastry repor	Not given
Key features	Birth chart calculation from date, time, and city with tropical zodiac and whole-sign houses Sun, moon, and rising sign determination Synastry charts comparing two people's birth charts Transit readings showing planetary movements Three-card tarot readings and yes or no draws Sun-sign horoscopes Chart storage in browser or with signed-in account Moon sign meanings for all twelve signs Written natal, year, and synastry reports with credits Retrograde planet tracking	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
What makes it different	No live astrologers; all readings are calculated or drawn from the deck Works without birth time, still showing sun and moon signs Uses astronomy-engine for accurate astronomical calculations Free sun-sign horoscopes and basic birth chart wheel Flexible credit-based system for individual reports	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
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	1 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	24	17
Referring domains (Majestic)	11	4

4 details filled in for both companies.

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