Algenius vs ContactZapp

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

Algenius compared with ContactZapp
Detail	Algenius	ContactZapp
What it does	Automatic daily logs and screenshots	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.
Stage	Startup	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	Automatic daily activity logging with AI-drafted reports Advanced screenshot editor with drawing, shapes, annotations, blur, emoji, and counters AI text extraction from screenshots AI text assistant for translate, rewrite, and grammar fix via Alt+S Custom branded watermarks on all screenshots Before-and-after side-by-side image comparison Direct copy-paste to Google Sheets and Excel Cloud storage with share links 3-day retention on free tier, unlimited on Pro	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 features accessible through three simple keyboard shortcuts Automatic activity log drafting eliminates manual daily reporting Works directly in any application without tab switching No account setup required to start using the app Local activity logs stored on device with full user control	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)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	15	11
Referring domains (Majestic)	4	1

3 details filled in for both companies.

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