Pregnancy Metrics vs birthchart.io

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

Pregnancy Metrics compared with birthchart.io
Detail	Pregnancy Metrics	birthchart.io
What it does	Free pregnancy and preconception calculators	Birth chart calculator
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Browser-based calculations without account needed Plain-language methodology guides Local weight-gain tracker storage	Calculate Sun, Moon and rising signs Shows ten planets and aspects Multiple house systems available Private data processing on device Save birth details to browser Support for unknown birth times Historical time zone handling
What makes it different	Independent development with no external clinician certification claimed Calculations processed in browser only, not stored in project-controlled database Methods and claims tied to published sources	Calculated entirely on your device with no cloud storage No account or login required Uses Astronomy Engine for precise geocentric calculations Explains astrological concepts and limitations
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	12	12
Referring domains (Majestic)	1	3

4 details filled in for both companies.