Ad Catalyst
A weekly ad teardown, sent straight to your inbox—breaking down what works and how to make it work for you.
- Indexed issues, last 90 days
- 13
- Latest publication
- Sep 28, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 7, 2026
Latest issues
What kind of ad do you write for a skeptic? (opens the original)
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Welcome back to another week and another ad breakdown.This one is exciting because it’s working, and if you haven’t seen this format yet, it’s worth testing.In this week’s issue you’ll discover:The sneaky way most ads could kill the sale in the last 10 seconds by putting the wrong idea in a buyer’s head (It’s a nitpicky 1% fix, but every little bit counts.)How to grab eyeballs like the trailer of a slasher film… Just without the blood and gore. (And yes, you can still run it on Facebook and YouT
WARNING: Those “Catchy Musical Ads” Are Usually Just Expensive Karaoke... (opens the original)
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In this week’s issue you’ll discover:How to turn one ad into twenty without changing the copy or the visuals.When someone's deciding whether to buy, here's what they're actually deciding on. It isn't your features. It isn't your benefits. And it isn't your price.Did you know that even a better, cheaper sparkling wine can't legally be sold as champagne in the EU if it's made elsewhere? I’ll show you how to borrow that kind of advantage in your ads with one change that can win the sale when you're
4 tiny text changes that can make or break your ad (opens the original)
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In this week’s issue you’ll discover:A 2-second check that has nothing to do with your copy, your offer, or your hook, but decides whether or not someone buys.The one time specificity kills sales. There's exactly 3 words in this ad that could be silently killing conversions.The one word swap that decides whether or not someone buys. Spoiler: You’ve almost certainly used the wrong word this month.A quick note from Andrew the Copy Chief:Hey there! Before we dive in, I’
3 things to STEAL from an 18 million view ad (and one mistake to avoid) (opens the original)
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Today’s ad is for a neuropathy cream, and it’s a good one. To my knowledge, it’s been running eleven months and it’s gotten 18 million views.Not too shabby.So this week is less about what’s broken and more about what to take.Right off the bat, I’d say it’s a fairly non-compliant ad.HOWEVER… we’re going to ignore compliance for now and focus on the persuasion, but you should know that going in.<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!iiv9!,f_auto,
quick question for you… (and a free gift worth $35M) (opens the original)
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Q: Why did you originally sign up for this list?…actually, wait. I’m getting ahead of myself.Hi, my name is Andrew, and I’m taking over Ad Catalyst.That’s because the old version of this newsletter was all about breaking down what worked in an ad and how “brilliant” it was.That’s great if you just want to copy ads and tactics that work for a few days.But if you want to start running ads that scale and run for months, even years…The key isn’t copying.It’s REMOVING friction.It’s
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