Dead Pixel Test vs PlainAstro

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

Dead Pixel Test compared with PlainAstro
Detail	Dead Pixel Test	PlainAstro
What it does	Free full-screen color test for visual screen inspection	Free birth chart calculator and astrology explained in plain words
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Free	Freemium
Pricing	Not given	Free birth chart calculator with no sign-up required. Full birth chart reading: $12. Personal 2027 astro calendar: $15.
Key features	Nine solid color tests Full-screen color display mode Stuck pixel fixer with flashing patch Custom color picker for testing specific colors Works on phones, laptops, and monitors Keyboard and touch navigation Simulated pixel defect examples for comparison Screen inspection checklist and observation record	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
What makes it different	Visual inspection without automatic diagnosis No account, upload, or installation required Includes stuck pixel fixer tool with flashing patch Works on any screen accessible via browser	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
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	30 +4 (up) since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	19	17
Referring domains (Majestic)	4	5

4 details filled in for both companies.

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