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Google Ads vs Facebook Ads: which is better for a small business?

· 7 min read · Google and Meta ads

Short answer: Neither is better in general; they do different jobs. Google Ads shows your ad to people who are already searching for what you sell, so it usually wins when demand exists. Facebook and Instagram ads (Meta) show your ad to people who aren't searching yet but match your audience, so they win when you need to create demand or your product sells on looks. Most small businesses start with the channel that fits their product, measure the cost per sale, and then add the second. The fastest way to decide is to compare both channels side by side in one dashboard using the same metric: cost per sale.

How they differ

  • Intent — Google Ads (Search): High: the person typed a query; Facebook & Instagram Ads (Meta): Lower: the person was scrolling
  • What you target — Google Ads (Search): Keywords and search terms; Facebook & Instagram Ads (Meta): Audiences: interests, behaviour, lookalikes, your customer lists
  • What sells the ad — Google Ads (Search): The offer and the landing page; Facebook & Instagram Ads (Meta): The image or video, then the offer
  • Best for — Google Ads (Search): Products and services people search for: repairs, B2B, spare parts, local services; Facebook & Instagram Ads (Meta): Visual, impulse or new products: fashion, home decor, gifts, new brands
  • Learning period — Google Ads (Search): Bidding strategies need conversion data; Facebook & Instagram Ads (Meta): Ad sets leave the learning phase after about 50 results in a week (Meta)

When Google Ads is the better first choice

  • People already search for your product or service by name or problem ("emergency plumber", "4k projector 120 inch").
  • You sell something that is hard to show in a photo but easy to describe.
  • You want leads or sales this month, not brand awareness.

When Facebook and Instagram ads are the better first choice

  • Few people search for your product because it is new, but it looks good on camera.
  • You can make a strong offer in a short video.
  • You already have a customer list to build lookalike audiences from.

Budget: how much does each need?

Neither platform has a minimum that makes sense for everyone, but both need enough data to learn:

  • Meta says an ad set usually exits the learning phase after about 50 results in the week after its last significant edit. If your budget can't buy anywhere near that, optimise for a more frequent event (for example, add to cart) or combine ad sets.
  • Google Ads treats your daily budget as an average: a campaign may spend up to twice the daily budget on a given day, but you won't be charged more than 30.4 times the daily budget in a month.

A practical split for a small budget: put most of it on the channel that matches your product, keep a smaller test budget on the other, and move money every couple of weeks toward whichever has the lower cost per sale. Avoid daily changes: on Meta, significant edits reset learning.

For e-commerce

  • Google Shopping and Search capture people comparing products and prices.
  • Meta is strong for discovery and for retargeting people who visited your store but didn't buy.
  • Measure both on the same thing: revenue or profit per unit of ad spend, not clicks. If you're unsure how, here's how to calculate roas and your break-even point.

The mistake to avoid

Comparing the two on cost per click. A cheap click from someone who wasn't looking to buy can cost you more per sale than an expensive click from someone searching with a card in hand. Compare cost per sale or profit per sale, after product cost and fees.

How Examenda helps

Examenda brings Google Ads, Meta and your other ad accounts into one panel. Campaigns, budget allocation and results sit side by side, and AI weighs the results and suggests where to shift budget. You make the call.

See Examenda →

FAQ

Is Google Ads more expensive than Facebook Ads?
Clicks on Google Search are often more expensive because the intent is higher. What matters is cost per sale, which can go either way depending on your product.

Can I run both with a small budget?
Yes, but start with one, learn your cost per sale, then add the second. Splitting a small budget across many campaigns slows learning on both platforms.

Do Instagram ads run from the same place as Facebook ads?
Yes. Both run from Meta Ads Manager, and you can choose placements on Facebook, Instagram or both.

Sources: Google Ads Help, "About average daily budgets"; Meta Business Help Center, "About the learning phase". Information as of 20 October 2026.