A/B Test Setup vs Cold Email Writer

A/B Test Setup

By Corey Haines (Marketing)

Plan and run experiments to find out which version of your page, email, or ad works best.

Cold Email Writer

By Corey Haines (Marketing)

Write B2B cold emails and follow-up sequences that actually get replies.

A/B Test Setup

• Helps you write a clear hypothesis for what you're testing and why
• Calculates how much traffic and time you need for statistically valid results
• Guides you in choosing primary, secondary, and guardrail metrics to track
• Explains how to design test variants that isolate a single meaningful change
• Analyzes results and tells you whether the difference is real or just noise

Cold Email Writer

• Writes cold emails that sound like they came from a real person, not a template
• Creates multi-touch follow-up sequences with different angles for each email
• Generates subject lines designed to get opened without sounding salesy
• Personalizes emails based on research signals like funding, hiring, or company news
• Optimizes for replies by keeping emails short, focused, and low-friction

Reach for A/B Test Setup when…

• You're launching a new landing page and want to know which headline converts better
• You're tweaking email copy or button text and need to measure impact objectively
• You want to build a growth experimentation program and run tests continuously
• You're comparing two design approaches and need statistical confidence before choosing

Reach for Cold Email Writer when…

• You're reaching out to potential customers or partners you've never spoken to
• You need to write a prospecting email but don't know how to make it sound natural
• Your cold emails aren't getting replies and you want to improve them
• You're setting up an outbound sales campaign and need a sequence of follow-ups