timeletter vs Emailyst

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

timeletter compared with Emailyst
Detail	timeletter	Emailyst
What it does	Write letters to your future self to be delivered on a date you choose	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	AT	Not given
Pricing model	Free	Freemium
Pricing	Not given	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	Write letters with thoughts, goals, or memories Choose delivery date in weeks or years Encrypted and secure storage Email delivery at scheduled time	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	Helps you connect with your future self through digital correspondence Focuses on self-reflection and mental well-being	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)	2 no change since last check	3 +2 (up) since last check
Trust Flow (Majestic)	9	14
Citation Flow (Majestic)	6	14
Referring domains (Majestic)	46	3

4 details filled in for both companies.

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