What Is Google Ads and How Does It Differ from Meta?

Google Ads places ads on Google Search, YouTube, and the Google Display Network, triggered by the keywords someone actively searches for; Meta Ads places ads on Facebook and Instagram, triggered by interests and behavior rather than an active search. The core difference is intent: Google Ads captures existing demand, while Meta Ads creates new demand.

By Matias Valdivieso, Director, Vanta Designs. Updated: July 2026.

Key takeaways

• Google calculates an Ad Rank on every search from the bid, ad and landing page quality, the search context, and the ad format (Google Ads Help, 2026).

• Meta's auction does not simply reward the highest bidder: it weighs the bid together with the estimated action rate and ad quality (Meta for Business, 2026).

• Under its own economic model, Google estimates that businesses generate an average of $8 in profit for every $1 spent on Google Ads (Google Economic Impact, 2026).

• Meta reported an average of 3.56 billion daily active people across its family of apps for March 2026, up 4% year over year (Meta, First Quarter 2026 Results).

• 96.5% of Chilean households had fixed or mobile internet access in 2024, the highest figure on record (Subtel, February 2025).

What is Google Ads?

Google Ads is Google's paid advertising platform for showing ads on Google Search, YouTube, Gmail, Google Shopping, and millions of partner sites and apps through the Google Display Network. According to Google Ads Help (2026), the main campaign types are Search (text ads on search results), Display (visual ads across sites and apps), Shopping (product listings), Video (YouTube), and Performance Max, which combines all of Google's ad inventory into one campaign built around conversion goals. For a Chilean small business, the core advantage is that the ad appears right when someone types a search related to what the business sells: it captures intent that already exists, rather than creating it.

What is Meta Ads?

Meta Ads is Meta Platforms' advertising platform for distributing ads across Facebook, Instagram, Messenger, and Meta's audience network, managed through Ads Manager. Unlike a search, the person seeing the ad is not actively expressing a need at that moment, they are scrolling their feed or stories. That is why Meta builds targeting around what it calls Detailed Targeting, which combines demographics, interests, and behaviors inferred from platform use (Meta Business Help Center, 2026). Meta reported an average of 3.56 billion daily active people across its family of apps for March 2026, up 4% year over year (Meta, First Quarter 2026 Results), giving the platform a larger reach than almost any other digital channel available to a Chilean business.

How does Google Ads differ from Meta Ads?

The most important difference is where the ad appears in a person's decision process. Google Ads shows the ad when someone is already actively searching for something related (explicit intent); Meta Ads shows the ad while the person is doing something else, based on interest or behavior signals (inferred intent). Here is what that means in practice for a small business:

• What triggers the ad: on Google Ads, a keyword search; on Meta Ads, the delivery system based on the campaign objective, targeting, and creative (Google Ads Help, 2026; Meta for Business, 2026).

• Dominant format: text and product listings on Google Ads; image, video, and native feed carousels on Meta Ads.

• How the auction winner is decided: Google calculates Ad Rank from the bid, ad and landing page quality, search context, and format (Google Ads Help, 2026); Meta weighs the bid together with the estimated action rate and ad quality and relevance, not just the highest bid (Meta for Business, 2026).

• Typical use case: Google Ads tends to capture existing demand, such as someone ready to buy or request a quote; Meta Ads tends to build brand awareness and create new demand.

How does Google decide which ad to show?

Every time someone searches on Google, an auction runs that calculates the Ad Rank of every eligible advertiser. According to Google Ads Help (2026), Ad Rank is calculated from the bid, the quality of the ad and landing page, Ad Rank thresholds, the competitiveness of the auction, the context of the search (search terms, location, device, and time), and the expected impact of ad formats and extensions. Per the same source, a higher-quality ad can outrank a competitor with a higher bid and pay less per click. For a small business with a limited budget, that means improving ad and landing page relevance can matter as much as raising the bid.

How does Meta decide which ad to show?

Meta explains that its auction does not work like a traditional auction that simply rewards the highest bidder: it evaluates a set of factors together to decide which ad is shown, including the ad objective, budget, duration, audience, and creative, and uses the estimated action rate together with ad quality to measure relevance (Meta for Business, 2026). In practice, this favors ads that generate more real engagement, such as clicks, views, or conversions, with the same audience, rather than simply the advertiser with the largest budget. Detailed Targeting by demographics, interests, and behavior helps determine who sees the ad in the first place (Meta Business Help Center, 2026).

Which platform is right for my small business in Chile?

With 96.5% of Chilean households having fixed or mobile internet access in 2024 (Subtel, February 2025), nearly any Chilean small business has a potential audience on both platforms; the real question is not which platform is "better" in the abstract, but which job the business needs done first. As a practical rule of thumb, at Vanta Designs we recommend starting with Google Ads when there is already an active, measurable search for the product or service, for example "notebook repair in Santiago," and starting with Meta Ads when the goal is to introduce a brand or a new product that nobody is searching for by name yet. This is an operational recommendation from Vanta Designs based on experience with Chilean clients, not a published figure from either platform. In practice, many small businesses end up running both in parallel, one to capture demand and one to create it. Coordinating both under a single performance marketing strategy avoids paying twice for the same audience.

Frequently asked questions

Can I use Google Ads and Meta Ads at the same time?
Yes. They are not mutually exclusive: it is common for the same small business to use Google Ads to capture high-intent searches while running Meta Ads in parallel to build awareness and re-engage people who already visited the site.

Which is cheaper, Google Ads or Meta Ads?
There is no single answer: both platforms set cost through a real-time auction based on competition for that audience or those keywords at that moment, ad quality, and the specific industry. The real cost is only known by testing in your own account.

Do I need a website to advertise on Google Ads or Meta Ads?
Not for every format: Meta Ads can send traffic to a native lead form or an Instagram profile, and Google Ads supports call-only campaigns. Even so, having a dedicated landing page helps measure conversions and improve ad quality over time on both platforms.

Which platform fits a small online store in Chile?
It depends on whether the product is already searched for by name on Google, in which case Google Shopping or Search tends to perform well, or whether it is a new product that gets discovered visually, in which case Meta Ads with image or video tends to create the first point of contact.

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Sources: Google Ads Help, "About Ad Rank" and "How the Google Ads auction works" (2026); Google Ads Help, "Choose the right campaign type" (2026); Google Economic Impact, methodology (2026); Meta for Business, "Facebook Ad Auctions Explained" (2026); Meta Business Help Center, "About Detailed Targeting" (2026); Meta Platforms, Inc., First Quarter 2026 Results (April 2026); Subtel, Informe Final Acceso y Uso de Internet 2024 (February 2025).