Yuanzi Zhiyi vs CostCal Pro

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

Yuanzi Zhiyi compared with CostCal Pro
Detail	Yuanzi Zhiyi	CostCal Pro
What it does	Free Bazi Chart Calculator with True Solar Time and AI Interpretation	Enter every cost, pick the profit you want, get the exact sales price
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free basic chart, Ten Gods, hidden stems, and luck cycles. Paid one-time reports: complete life reading with 3-year outlook and 90-day action plan (price not specified). Credit packs available for full reports, follow-ups, and advisor chats; first top-up receives 20 bonus credits. Personal AI Adviso	Free plan forever with 5 saved calculations and 5 exports per month. Starter at $49/year with 200 saved calculations and unlimited exports. Premium at $99/year with unlimited saved calculations and 3 sites. Agency at $199/year with unlimited saved calculations and 25 sites. All plans are yearly in U
Key features	Free Four Pillars chart with true solar time calibration and historical time zone handling Hidden Stems and Ten Gods visualization Decade-long and year-by-year luck cycle analysis Register to save multiple charts for family members Complete life reading exploring personality, work, relationships, and life stages Personal AI Advisor for ongoing conversation about chart and life choices 3-year outlook with strategic timing guidance 90-day action plan with tactical focus and concrete steps Solar time calibration tool to verify time zone and boundary adjustments	Exact sales price calculation from costs Cost breakdown and donut chart VAT, rounding and price floors Bulk profit calculator for 1, 10, 100 or 500 units Discount simulator Break-even orders per month calculator Save and reopen calculations PDF and CSV export Catalogue check for loss detection WooCommerce and Shopify integration
What makes it different	Transparent calculation with defined rules allowing verification of chart results True solar time and historical time zone handling for accurate chart generation Separation of chart calculation from interpretation for evidence-based analysis One-time payments with zero automatic renewals or hidden charges Open-source kit for developers to integrate Bazi charting into their applications	Exact decimal math with no rounding drift Solves circular fee dependencies exactly Free plan never expires
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	15	0
Referring domains (Majestic)	15	0

5 details filled in for both companies.

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