ContactZapp vs Firstfruits

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

ContactZapp compared with Firstfruits
Detail	ContactZapp	Firstfruits
What it does	Sync your contacts between Google, Microsoft, Apple and CardDAV. Find and merge duplicates easily.	Bible time earns screen time
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	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.	Not given
Key features	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	Automatic Bible app time tracking across YouVersion, Logos, Olive Tree, Dwell and other apps Credit-based app unlock system: 5 minutes reading earns 1 credit Adjustable credit exchange rate: 15, 20 or 30 minutes per credit 8-credit daily cap with progressive thresholds at 5, 10, 15, 20, 25, 30, 40 and 50 minutes Manual timer for paper Bible reading and prayer Emergency unlock providing 30 minutes access without penalty Complete privacy: no account, server, or network requests No ads, subscriptions, or in-app purchases
What makes it different	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	No data collection or server infrastructure—all data stays on your device Works with your existing Bible app without requiring a switch Genuinely free with no hidden tiers or business model Exchange-based model encouraging discipline rather than hard restrictions Includes manual timer for accountability without screen time
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	2 +1 (up) since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	11	18
Referring domains (Majestic)	1	7

4 details filled in for both companies.

More alternatives to ContactZapp More alternatives to Firstfruits