Hyperchill.io vs ContactZapp

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

Hyperchill.io compared with ContactZapp
Detail	Hyperchill.io	ContactZapp
What it does	Digital productivity journal for tracking deep work	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	Not given	Freemium
Pricing	Not given	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	Set target deep work hours per session Track distractions during work sessions Daily streak counter for consistency Session notes and task labels Mini-mode window for flexible workspace Focus toolkit with protocols and practices Comprehensive focus methodology guide	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	World's first digital productivity journal combining deep work tracking with focus quality measurement Stopwatch-based structure without mandatory upper time limit Integrated focus toolkit with research-based protocols Tracks both distraction frequency and recovery ability Comprehensive mood and focus quality analytics	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)	25 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	9	11
Referring domains (Majestic)	15	1

3 details filled in for both companies.

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