birthchart.io vs Tiersova

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

birthchart.io compared with Tiersova
Detail	birthchart.io	Tiersova
What it does	Birth chart calculator	Free B2B SaaS total cost of ownership calculators and CSV schema tools
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GR
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	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	Compare 12 to 36 month total cost of ownership Calculate one-time switching costs 65 B2B tool comparisons Browser-based calculations with no data upload required
What makes it different	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	Includes one-time switching costs that other calculators ignore Covers 65 specific B2B tool migrations
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 +2 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	12	0
Referring domains (Majestic)	3	0

4 details filled in for both companies.