Island: Screen Time vs ContactZapp

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

Island: Screen Time compared with ContactZapp
Detail	Island: Screen Time	ContactZapp
What it does	A screen time app that gamifies healthy phone habits by growing crops and managing an island farm	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	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free to download and use. Pro subscription: $39.99/year or $5.99/month, which includes Per-app Limits and Soul Link features.	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 time limits on apps with an overall daily screen time limit Manage an island farm with crops like cucumbers, strawberries, and bananas Upgrade farm assets and unlock new buildings and decorations Weather system that improves with adherence to limits Credit score system that rises for compliance and falls for overuse Add friends, visit their farms, and complete group challenges Isometric pixel art world with custom-drawn graphics Per-app limits for individual distracting apps (Pro feature) Soul Link to tether islands with friends for mutual accountability (Pro feature) Soft approach to overages with thresholds instead of walls	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	Uses gamification inspired by idle games to motivate behavior change rather than friction and restrictions Custom-built isometric pixel art engine and world with hand-drawn graphics Multiplayer features allow friends to visit farms and hold each other accountable Soft thresholds instead of hard walls when exceeding limits Free to download and use with optional paid features	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)	30 +4 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	14	0
Citation Flow (Majestic)	25	11
Referring domains (Majestic)	29	1

5 details filled in for both companies.

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