OmniNotch vs ContactZapp

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

OmniNotch compared with ContactZapp
Detail	OmniNotch	ContactZapp
What it does	Twenty tools in the MacBook notch with private on-device AI, one-time license, no subscription	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	OmniNotch 2.0 flash sale: $5 USD. Regular price: $19.99 USD. Lifetime license includes all twenty tools and future updates, valid on up to 3 Macs.	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.
Key features	Ask Omni on-device AI chat using Apple Intelligence Foundation Models File shelf with AirDrop quick send Live AI usage meters for Claude, Codex, Cursor, Copilot, and Grok Timers and Pomodoro sessions with focus sounds	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
What makes it different	Signed and notarized by Apple with no malware warnings Private by design with no telemetry or cloud sync One-time lifetime license with free updates forever Works on notch-less Macs with a floating notch 7-day money-back guarantee	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
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)	15 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	23	11
Referring domains (Majestic)	27	1

5 details filled in for both companies.

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