Emailyst vs Systune

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

Emailyst compared with Systune
Detail	Emailyst	Systune
What it does	Clean up Apple Mail on your Mac using built-in AI, nothing uploaded	Clean your Mac without the guesswork
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Not given
Pricing	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.	US$39 once for three Macs in one household with two years of updates (direct). Mac App Store edition planned at US$39 once with final pricing to follow App Store tiers. First 100 waitlist signups receive free lifetime license including all future versions. 14-day full trial and 30-day refund planned
Key features	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	103 cleaning categories with four risk levels 92 security and privacy checks with one-click fixes 300 macOS settings with profiles, snapshots and undo Disk analysis with list, treemap, ring and file-kind views Duplicate and large-file finder Command-line interface with JSON output Full-screen terminal dashboard iPhone companion over local network 67 maintenance tasks including rebuilds and service restarts Startup item and launch daemon inspector
What makes it different	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	All changes listed and confirmed before removal with a test strip showing exact paths and bytes Protected system paths refused and user files offered to Trash with regenerable caches deleted in place Five rounds of independent security, correctness and performance review with published findings Local processing with no analytics, crash reporting or scan result uploads
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)	3 +2 (up) since last check	11 +1 (up) since last check
Trust Flow (Majestic)	14	7
Citation Flow (Majestic)	14	20
Referring domains (Majestic)	3	17

4 details filled in for both companies.

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