Harmony vs ContactZapp

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

Harmony compared with ContactZapp
Detail	Harmony	ContactZapp
What it does	The weekly planner for all your roles	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.
Stage	Startup	Not given
Founded	2024	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	$9.99 per year or $19.99 for lifetime access. Both include mission statements, role-based weekly planning, reminders, alarm notifications, and Home Screen widgets.	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	Personal mission statement builder Role-based weekly planning High-impact weekly goals Alarm notifications that bypass Do Not Disturb Home Screen widgets for mission and goals Apple Calendar sync Local-first encrypted storage Optional AI mission statement drafting	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	Mission-driven approach focusing on values and purpose rather than task lists Meditation-like mission statement creation in 10 minutes Local-first privacy with encrypted on-device storage Alarm notifications that bypass Do Not Disturb for accountability	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)	33 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	0
Citation Flow (Majestic)	32	11
Referring domains (Majestic)	184	1

5 details filled in for both companies.

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