a Claude Skill + Custom GPT
SUBJECT LINE LAB
30 subject line options for any email, across 3 distinct styles — in about 10 seconds.
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Add-on: Opt-In Page Optimizer GPT/Skill
upgrade your order for only $17
Your opt-in pages are a super important part of how you'll grow your email list.
The Opt-In Page Optimizer audits your landing page and tells you exactly what to tweak to get more sign-ups - headline, bullets, CTA, flow, all of it.
Works with your choice of ChatGPT or Claude.
The Opt-In Page Optimizer audits your landing page and tells you exactly what to tweak to get more sign-ups - headline, bullets, CTA, flow, all of it.
Works with your choice of ChatGPT or Claude.

Add-on: Welcome Sequence Builder GPT/ Skill
upgrade your order for only $27
Subject Line Lab will sort your open rates, but did you know your welcome sequence are the most opened emails you'll ever send?
Welcome Sequence Builder maximises the first 4-5 emails your new subscribers get from you.
Eight email types, picked and sequenced for what your audience actually needs at each stage: Lead magnet welcomes, post-purchase onboarding, sales-aligned nurture, event/summit follow-ups.
Works with your choice of ChatGPT or Claude.
Welcome Sequence Builder maximises the first 4-5 emails your new subscribers get from you.
Eight email types, picked and sequenced for what your audience actually needs at each stage: Lead magnet welcomes, post-purchase onboarding, sales-aligned nurture, event/summit follow-ups.
Works with your choice of ChatGPT or Claude.
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HERE’S WHAT YOU GET:
(runs on Claude or ChatGPT, both versions included)
Inbox — Primary
CLEAN & DIRECT
Not everyone should join this
CURIOUS & STORY-LED
I almost quit coaching because of this
WARM & HUMAN
I made this for you
Same email · 3 styles · 30 options total
✓
Three styles for every email — Clean & Direct, Curious & Story-led, Warm & Human. Pick the one that fits the email and your voice.
✓
Knows launch emails aren’t like other emails — Tell it the phase you’re in (cart open → final final) and it adjusts urgency, length and tone accordingly.
✓
Preview text that pulls its weight — 3 options per style, designed to extend the subject line, not repeat it. Two hooks instead of one.
✓
It’s there for the whole writing process — Blend two styles, paste in an existing subject line for a rewrite, or take the A/B test suggestion at the end of every run.
All prices in USD · Instant online access · Works with Claude and ChatGPT
- Total payment
- 1xAI Bot: Subject Line Lab (AI Exposed)$0-+
- AI Bot: Welcome Sequence Builder$27
- AI Bot: Opt-In Page Optimizer$17
- Discount
- Shipping$0
- Sales tax$0
- Total
- Today's payment
- AI Bot: Subject Line Lab (AI Exposed)$0
- AI Bot: Welcome Sequence Builder$27
- AI Bot: Opt-In Page Optimizer$17
- Discount
- Shipping$0
- Sales tax$0
- Total
- Future payments
- AI Bot: Subject Line Lab (AI Exposed)$0
- Discount$0
- Shipping$0
- Sales tax$0
- Future amount
$0 - Today's payment:
$0 - Today's payment
-
$0
All prices in USD
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