BucketDesk vs ContactZapp

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

BucketDesk compared with ContactZapp
Detail	BucketDesk	ContactZapp
What it does	Secure S3 storage for human beings	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.
Stage	Startup	Not given
Founded	2026	Not given
Based in	JM	Not given
Pricing model	Freemium	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	Browse and search S3 buckets by prefix or name In-browser preview of PDFs, images, Office documents, audio and video Inspect zip files before extraction without downloading Share files with expiring, revocable links Upload files directly to S3 and restore from Glacier Recycle bin to undo deletes for 30 days S3 Savings tool to find and apply storage cost reductions Workspace roles for team members instead of AWS credentials Edit Office files and save directly to S3	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	No shared AWS credentials or access keys required Files remain in customer's own AWS account Built on AWS primitives requiring no new infrastructure Document AI with answers citing specific pages and sections Transparent pricing with S3 Savings feature that pays for itself	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)	51 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	13	11
Referring domains (Majestic)	2	1

4 details filled in for both companies.

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