GetBirthChart vs Timespanly

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

GetBirthChart compared with Timespanly
Detail	GetBirthChart	Timespanly
What it does	Free birth chart calculator with AI interpretation from your birth data	Time duration calculator for hours, minutes, and dates
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Free
Pricing	Free birth chart calculation with 3 AI questions. Full Reading upgrade $9.99 one-time includes complete interpretation, PDF report and 20 AI questions. Yearly Forecast upgrade $9.99 one-time. Couple Reading upgrade $14.99 one-time for synastry, composite chart and relationship interpretation.	Not given
Key features	Full birth chart calculation with planets, houses and aspects Professional ephemeris data for accurate planetary positions Downloadable PDF birth chart report Open-source calculation engine for transparency Educational content on signs, planets, houses and aspects No guessing: omits features requiring unknown birth time	Calculate elapsed time between two times or dates Handle shifts that cross midnight Support for multiple time formats: h:mm:ss, decimal hours, and total minutes Account for daylight saving time with timezone selection Add up to 20 time spans together Run calculations in browser with no data storage Pre-calculated common work shifts for reference Calculate hours worked with unpaid break deductions Show results in multiple formats for different use cases
What makes it different	Open-source calculation engine allows independent verification of methodology AI interpretation synthesizes your entire chart rather than reading each placement in isolation Treats astrology as reflective language, avoids fear-based predictions Birth data treated as private and never sold	All calculations verified against 100+ automated tests before each release Handles edge cases like midnight crossings, month-end dates, and daylight saving Built by a single developer who personally checks every result No server storage or tracking of user inputs Comprehensive methodology page explains all calculation rules
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	18	1
Citation Flow (Majestic)	10	18
Referring domains (Majestic)	36	2

4 details filled in for both companies.

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