OneMacApp vs ContactZapp

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

OneMacApp compared with ContactZapp
Detail	OneMacApp	ContactZapp
What it does	All your Mac tools, in one beautiful box	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	OneMacApp $49, full price $89, save $40 (first 100 buyers); one-time purchase, every tool unlocked, free updates, 14-day money-back guarantee	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	Screen recording with zoom and captions PDF merge, split, reorder, sign and protect On-device transcription, summarization and translation Batch processing for hundreds of files Local processing, no uploads 42 native tools for video, audio, images and PDFs Results in dated folders with originals untouched Respects macOS Reduce Motion accessibility setting	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	All 42 tools in one app, no hunting for separate websites One-time purchase, no subscription or account required All processing happens locally on your Mac, files never uploaded Native SwiftUI app that feels like it belongs on macOS Original files never modified, results in new dated folders	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)	37 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	27	11
Referring domains (Majestic)	25	1

5 details filled in for both companies.

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