PlainAstro vs Graph Paper Online

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

PlainAstro compared with Graph Paper Online
Detail	PlainAstro	Graph Paper Online
What it does	Free birth chart calculator and astrology explained in plain words	Free printable graph paper that prints at true size
Stage	Not given	Not given
Founded	Not given	Not given
Based in	GB	Not given
Pricing model	Freemium	Free
Pricing	Free birth chart calculator with no sign-up required. Full birth chart reading: $12. Personal 2027 astro calendar: $15.	Not given
Key features	Accurate planetary positions checked against Swiss Ephemeris within an arc-minute 34,000 birth places with historical time zones Big Three calculator for Sun, Moon and rising signs Rising sign calculator with planetary house system Saturn return calculator Black Moon Lilith calculator Nakshatra calculator for Vedic astrology 2027 sky forecast with Mercury retrograde and eclipse dates All 12 houses explanations Free weekly astrology email by Sun sign	Customizable grid sizes from 2 mm to 50 mm Multiple paper sizes: Letter, A4, A5, A3, Legal and Tabloid Live preview with real-time updates Adjustable line color and weight Download up to 50 pages in one PDF Size check ruler on each sheet for verification Paper types including coordinate planes, polar grids, isometric, dot grid and music staff Optional name and date line for students Browser-based with no installation required PNG and SVG export options for Word and Canva
What makes it different	No jargon or mystical fog Honest explanations without flattery Verified against Swiss Ephemeris for accuracy Everyday examples in plain language No sign-up required for basic calculator	Draws every sheet from real measurements ensuring squares print at true size No watermark, no sign-up, no email gate required Settings automatically saved and shareable via URL Supported by advertising kept away from preview and print buttons
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)	36 −1 (down) since last check	7 +7 (up) since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	17	8
Referring domains (Majestic)	5	3

4 details filled in for both companies.

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