Facebook Ads vs Google Ads: Which One Do You Need?

The comparison is usually framed as a contest between two advertising platforms. It is not. It is a question about your customer, and the platforms are downstream of the answer.

Here is the whole thing in one sentence: Google Ads harvests demand that already exists, and Meta Ads creates demand that does not. Everything else, the cost per click, the targeting options, the creative formats, follows from that difference. If you get this one distinction right you will pick correctly most of the time without any of the detail below.

Why that difference decides it

On Google Search, nothing happens until somebody types something. Google's own documentation describes the mechanism plainly: when a person searches for a term that matches your keyword, your ad enters an auction to determine whether it shows [1]. Match types control how loosely that pairing is allowed to happen [2]. The searcher supplies the intent. You are bidding for the right to answer a question that has already been asked.

Meta works the other way around. Nobody opens Instagram to buy a roof. Meta's advertising audience is enormous, reported at around 2.39 billion for Facebook alone as of April 2026 [3], but that audience arrived for something other than your product. Your ad interrupts. You are paying to create a want, or at least to surface a want the person had not yet acted on.

This has a consequence people miss. On Google, the hard part is usually the bid: the intent is handed to you and you compete on price and landing page quality. On Meta, the hard part is the creative, because the creative is the targeting now. In every account where I have taken a cost per lead down substantially, the change that mattered most was what the ad said, not who it was shown to. That was true of the US hair clinic where the cost per lead went from $86 to $3.91, and I have written up the order of those changes in a separate post.

The demand test: three questions, about twenty minutes

Before comparing platforms, find out whether demand for what you sell already exists as search volume. This is the actual decision and it takes very little time.

1. Does anyone search for your product by name? Not your brand. The category. "Emergency roof repair" is a search. "Artisanal candle subscription" mostly is not. Use Google Keyword Planner, or just type the phrase into Google and look at whether the results are competitors buying ads or a Wikipedia article.
2. Is the search a problem or a curiosity? "Roof leaking after storm" is a person with a bucket on the floor. "Roof design ideas" is a person on a sofa. Both are searches; only one converts this week.
3. Could a stranger understand why they need this in six seconds? If yes, Meta can work, because you can compress it into a video. If it takes a paragraph of explanation, Meta will struggle and search will not, because the searcher has already done the explaining for you.

Answers of yes, problem, and no point at Google. Answers of no, curiosity, and yes point at Meta. Mixed answers are the common outcome, and that is what the rest of this article is for.

What Meta actually costs, in accounts I ran

I can only give you honest numbers for one side of this comparison. Here is that side, in full, including the expensive one.

That last row is the useful one for this comparison, and it is the row a case study would normally bury. Roofing cost seventeen times more per lead than the clinic on the same platform, in the same country, run by the same person. Published benchmarks for the roofing category exceed $115, so $66.60 is a good result in context, but "a good result" and "cheap" are different claims.

Why so expensive? Because roof replacement is a high-consideration purchase that people mostly search for when something breaks. That is Google's home ground, and Meta was competing on Google's terms. It worked, and I would still run it, but a roofer with one budget and no existing search campaign should usually start on search.

Where Google Ads wins, and I say so against my own interest

• Urgent, unplanned, local need. Emergency plumbing, locksmiths, storm damage, burst pipes, vet after hours. The person is searching right now with their phone in one hand. There is nothing to create; you just need to be there.
• Replacement of a known thing. Someone searching for a specific part number, model, or medication has finished deciding. An interruption cannot improve on that.
• Long, boring, expensive B2B categories. If your buyer is a procurement manager searching "industrial dust collector supplier", search intent is doing work no creative can replicate.
• Very small budgets in a narrow local area. A dentist in one suburb may only have a few hundred relevant searches a month. Meta will spend a budget reaching people who will never book. Search will spend it on the handful who are booking.
• When you cannot make video and will not pay someone to. This is the honest one. Meta performance is largely creative performance. A business that cannot produce a steady flow of new creative should not choose the channel that consumes it. I would rather tell you that now than in month three.

Where Meta wins

• Nobody is searching for your category yet. New products, new categories, and anything where the customer does not know a solution exists. There is no keyword to bid on. This is the clearest case for Meta and there is no substitute.
• Visual and impulse purchases. Fashion, food, homeware, anything where seeing it is most of the sell. One Bangladeshi fashion brand I worked with produced 121 website purchases at $0.71 each, and separately a Reel that reached 333,110 views with 96% of viewers not following the page. Detail in the campaign breakdown.
• Cheap top-of-funnel reach for a warm follow-up. In the Nevada B2B account, $100 of awareness spend reached 43,927 people, and the leads that followed came in at $5.08. Reach at that price has no equivalent on search.
• Conversational markets. In markets where buying happens in chat rather than checkout, click-to-Messenger campaigns produced conversations at two to four cents in accounts I ran. That is documented on the Messenger cost benchmark and explained in this post. There is no search equivalent of that at all.
• Precise exclusion. Meta is genuinely good at not showing your ad to existing customers, past purchasers, or people who already converted, which quietly protects budget in a way keyword negatives only partly manage.

The third answer nobody sells you: neither, yet

Google handled about 91% of worldwide search in July 2026 [4]. That statistic is usually quoted to justify Google Ads spending. It equally justifies the opposite: if the demand for your category resolves through Google, you can compete for it without paying per click.

The honest trade is speed against durability. Ads produce leads this week and stop the day the card is declined. Organic search takes months and then keeps working. For a US caterer that meant organic visits going from 670 to 2,800 a month and 262 pages being cited by AI assistants, with no per-click cost attached to any of it. For a Sydney halal grocer it meant 39 monthly organic visits becoming more than 700.

It is also slower than most people want to hear. A Singapore clinic reached Page 1 in three months, and that was from a standing start with nothing in the way, which is the fast version and not the normal one. I wrote about why the timeline was that short rather than pretending it is typical.

If you have twelve months of runway, the strongest position is usually paid on the channel that fits your demand type, plus organic underneath it, so that in a year your cost per lead is not entirely rented. That is the actual recommendation, and it is closer to "do the thing that compounds" than to "do both platforms".

Why splitting a small budget across both usually fails

This is the most common mistake I see, and it comes from a reasonable instinct: hedge, test both, see what works. On Meta, hedging has a specific mechanical cost.

New and significantly edited ad sets enter a learning phase, during which delivery is unstable while the system gathers data. Meta's documented guidance is that an ad set needs roughly 50 optimisation events within a seven day window to leave it [5]. Below that, you are not running a campaign so much as paying for a permanent experiment.

Work backwards from your own cost per lead. At $12 a lead, 50 events a week is $600 a week, or roughly $2,600 a month, for one ad set to stabilise. Take a $1,500 monthly budget, split it in half across two platforms, then split the Meta half across three ad sets, and no part of it ever reaches a state where the numbers mean anything. Then the results get read as "Meta does not work for us", when what actually happened is that the test was never funded.

Google is more forgiving of small budgets because it does not need that volume to function, which is a real and underrated argument for starting there when money is tight.

What I would actually do at three budget levels

The pattern in that table: split the budget only once each half can stand on its own. Before that, concentration beats coverage.

What this does not mean

A few limits worth stating plainly, because the numbers above are specific and specific numbers get over-read.

• Six accounts is not a benchmark. My Meta figures come from a handful of accounts in specific verticals and mostly one country. Your category, offer and landing page will move the number more than the platform choice will.
• I have no first-party Google Ads data. Everything I say about Google here rests on Google's own documentation and on watching clients run it, not on accounts I managed. Weigh it accordingly.
• Cost per lead is not cost per customer. A $5 lead that never closes is worse than a $60 lead that does. Roofing at $66.60 may well have been the most profitable account in that table. I do not have close rates for all of these, so I am not going to imply I do.
• Platforms change. Automated campaign types on both sides keep absorbing the manual controls this article assumes you have. The demand logic survives that; specific tactics may not.

If you want the short version: find out whether people are already searching for what you sell. If they are, buy that first. If they are not, Meta is the only one of the two that can help, and it needs enough budget and enough creative to work. And in either case, the version of this that is still paying you in two years is the organic one.

Related reading

• The 12 checks I run when auditing a Facebook Ads account
• How I cut a cost per lead from $86 to $3.91
• Organic vs paid social: what each one is actually for
• Facebook Ads cost per lead across five real accounts