ContactZapp vs YOWAYOW

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

ContactZapp compared with YOWAYOW
Detail	ContactZapp	YOWAYOW
What it does	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.	Practical I Ching for Real Life
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	CN
Pricing model	Freemium	Freemium
Pricing	Free plan: 2 synced accounts, 100 contacts, no time limit. Easy plan: $4.00/month (billed $47.94/year, was $95.88). Unlimited plan: $8.00/month (billed $95.94/year, was $191.88). 50% off Easy and Unlimited with code HALLOWEEN.	Physical card deck available for purchase with free worldwide shipping. Digital services use Aura Points: anonymous users refill to 20 per day, signed-in users to 60 per day, VIP users to 200 per day. Readings cost 10 Aura Points, deep inference or Mind-Key deep generation 20 Aura Points. BaZi birth
Key features	Two-way sync across Google, Microsoft, Apple and CardDAV Merge duplicates in one go, or review them one by one Full change history with undo capability Backups and vCard export Sync frequency control (hourly, daily, or manual) Set accounts to read-only mode Preserve all phone numbers and email addresses Up to 5 encrypted account backups 12-month undo history Restore deleted contacts for 12 months	66-card deck with 64 hexagrams and 2 Meta Cards made with copperplate paper and double-sided glossy lamination Mind-Key non-random hexagram casting method analyzing drive, stance, and result Simple Two-Card Method divination technique Six-Line Arrangement Method for in-depth line meaning analysis Free AI chat-based hexagram interpretation Modern flat geometric card design with explanatory text BaZi birth chart and compatibility reports Aura Points system for digital service access Online Hexagram Library with modern interpretations Free worldwide shipping on all card deck orders
What makes it different	Syncs across all major platforms in both directions automatically Encrypted contacts with privacy key per account Undo any change for up to 12 months No time limit on free plan Automatic duplicate detection and optional auto-merge	Non-random Mind-Key method based on Zhouyi structure for personalized guidance Bridges ancient I Ching wisdom with modern psychology for contemporary seekers Card face itself is the answer—no manual or academic background needed Professional-grade copperplate and lamination materials for durability and long-term use
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	24 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	11	20
Referring domains (Majestic)	1	18

5 details filled in for both companies.

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