This is one of the most common questions I get from business owners setting a marketing budget, and the short answer is: Google Ads and Facebook (Meta) Ads are usually solving different problems, not competing for the same one.
Google Ads: capturing demand that already exists
Google Ads shows up when someone is actively searching for something — "emergency plumber near me," "buy running shoes online." That's high-intent traffic: the person already knows what they want and is looking for who to buy it from. Google Ads tends to work best for businesses with clear, searchable demand.
Facebook & Instagram Ads: creating demand that doesn't exist yet
Facebook and Instagram ads work differently — you're not catching someone mid-search, you're interrupting their scroll with something interesting enough to stop for. That makes it a better fit for visually compelling products, brand awareness, and reaching people who don't know they have the problem your product solves yet.
So which one should you use?
If people are already actively searching for what you sell, start with Google Ads — you're capturing demand that's already there. If you're selling something visual or need to build awareness before anyone starts searching for it, social ads usually perform better. Most established businesses eventually run both, using each for what it's actually good at.
The budget mistake I see most often isn't picking the "wrong" platform — it's splitting a small budget evenly across both without giving either one enough spend to gather meaningful data. It's usually better to commit to one channel long enough to learn what's working before spreading thin.