How do their growth rates compare?

Chiefy (formerly Duet Mail) has a month-over-month growth rate of +95.6%; Ghostwrite has -46.1%.

How does pricing compare?

Chiefy (formerly Duet Mail): Free Trial, Paid. Free plan with instant summaries, basic AI drafts, smart inbox and calendar integration. Pro at $19.99/month billed yearly ($29.99 monthly) for full automation and assistant features. Enterprise with custom pricing for teams of 50+. 14-day free trial, cancel anytime. Ghostwrite: Freemium. Freemium. A free entry point is offered through the Get Started flow, with paid subscription tiers for more usage. Specific tier limits are not published on the homepage, so check the site for current numbers.

What are alternatives to Chiefy (formerly Duet Mail) and Ghostwrite?

Other tools in related categories include Superhuman, Missive, Spark Mail, BlueMail, Shortwave.

Chiefy (formerly Duet Mail) vs Ghostwrite — Traffic (133 vs 4.37K), Pricing & Verdict

Open AI Tools

Chiefy (formerly Duet Mail) vs Ghostwrite — Traffic (133 vs 4.37K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Chiefy (formerly Duet Mail)	Ghostwrite
Official Domain	duetmail.com	ghostwrite.rip
Pricing Model	Free Trial, Paid	Freemium
Monthly Visits	133 (133)	4.37K (4,366)
MoM Traffic Delta	+65 (+95.6%)	-3.74K (-46.1%)
Primary Market & Share	🌐 Global (—)	🇮🇳 India (39.1%)
Direct Visits / mo	55	1.75K
User Rating	4.1	3.8
Supported Platforms	Website	Website