Island: Screen Time vs Emailyst

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 Emailyst
Detail	Island: Screen Time	Emailyst
What it does	A screen time app that gamifies healthy phone habits by growing crops and managing an island farm	Clean up Apple Mail on your Mac using built-in AI, nothing uploaded
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: up to 1,000 emails per mail account with full message grouping and review. Full version: $29 once, covering up to three Macs and all version 1 updates, with no email limit and automatic sorting on a schedule.
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	Groups emails by type: newsletters, promotions, notifications and other categories Local processing with no uploads using macOS built-in AI Reversible email moves with full history Works with Gmail, Outlook, iCloud and Fastmail Automatic scheduled sorting in full version Custom rules available Can process multiple mailboxes Learns from user preferences Supports up to three Macs with one licence
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	Runs entirely on your Mac with no email uploads to servers Never deletes emails, only moves them with reversible operations Uses macOS native language model, signed and notarized by Apple Free version with no account required
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	3 +2 (up) since last check
Trust Flow (Majestic)	14	14
Citation Flow (Majestic)	25	14
Referring domains (Majestic)	29	3

5 details filled in for both companies.

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