It really comes down to your budget and how much control you want over the testing process.
1) Test Separately (4 Ads with 1 Headline Each)
When you have enough budget and want clear performance data.
- Run 4 individual ads, each with a different headline
- Keep all other elements the same (creative, copy, CTA, audience)
- This gives you a clean A/B test and helps you identify your top performer
- Ideal for when you want manual optimization and granular control
2) Use All 4 Headlines in One Ad (Dynamic Creative or Single Ad)
When your budget is limited, and you want Meta to optimize automatically
- Meta will test different headline combinations dynamically
- This saves budget but gives you less control and transparency over which headline is winning
- Useful if the headlines are similar or you’re optimizing for efficiency, not deep testing insights
Pro Tip:
If you’re serious about creative testing, start with split testing (one headline per ad) to find your winner—then use that headline in your scaling campaigns or Advantage+ setups.