TikTok Ads vs Meta Ads: Where Should a Consumer Brand Spend First?

These platforms are cheaper and more expensive than each other in different currencies. TikTok costs less in media and more in creative. Meta costs more in media and less in operational discipline. Which one is actually cheaper for you depends entirely on which of those you can absorb.

Is TikTok cheaper than Meta?

On media cost, substantially. TikTok’s median CPM is around $4.08, down about 28% year over year. Meta’s median sits at $15.06. On acquisition, TikTok’s median CPA fell roughly 31% to about $17.07, with most industries acquiring a customer under $22, against a Meta platform median nearer $32.74.

	TikTok	Meta
Median CPM	~$4.08	~$15.06
Median CPA	~$17.07	~$32.74
New-customer delta	~10%	~38%
Creative tolerance	Native only	Produced content still works
Attribution reliability	Noisier	More stable

Two caveats on those figures. The gap is closing, with TikTok CPMs up about 16% recently, so the arbitrage is real today and shrinking. And platform medians hide enormous category variance, which means your own category matters far more than the blended number.

The CPM comparison is also the one most likely to be quoted out of context, because a cheap impression is only cheap if it reaches someone who might buy. TikTok’s lower CPM partly reflects a younger, higher-volume audience with a different purchase profile, not a discount on identical inventory. For a brand selling to people over 45, the cheaper impression can be the more expensive customer.

Worth checking before you move budget: your own historical split between the two platforms on a category basis rather than a blended one. Category variance inside each platform is wider than the difference between the platforms, which means a category-level comparison frequently reverses the conclusion a blended one produces.

Which platform brings in customers you don’t already have?

TikTok, by a wide margin, and this is the metric most brands never look at. TikTok’s CPA-to-net-new-customer delta is around 10%, against 38% on Meta.

In plain terms: when TikTok reports a conversion, that person is far more likely to be someone who had never bought from you. Meta is comparatively better at converting demand that already exists, which means retargeting, warm audiences, and people who were going to find you anyway.

That distinction matters more than the headline CPA for any brand whose real constraint is growth rather than efficiency. A slightly more expensive genuinely new customer is worth more than a cheap conversion you would have captured regardless, and blended CPA cannot tell those apart. If your Meta numbers look excellent and your revenue is flat, this is usually why: the account is efficiently harvesting demand rather than creating it.

The practical read is that these platforms are doing different jobs, and comparing their CPAs as though they are interchangeable understates TikTok and flatters Meta.

This is also the number that explains a familiar pattern: an account where Meta reports excellent ROAS while total revenue stays flat. If most of what Meta converts is demand you already had, the reported return is real and the incremental return is much smaller, because those customers were reachable through channels you were not paying for.

The way to check is an incrementality test rather than a platform report, and it is uncomfortable because it usually involves turning something off. Holding out a geography or an audience for two weeks and reading total revenue rather than platform-attributed revenue tells you more about which platform is growing the business than any dashboard comparison will.

Why does creative decide which platform is cheaper?

Because the media cost advantage evaporates if you cannot supply the right creative, and this is where most TikTok tests fail.

Meta forgives polished, produced video. TikTok punishes it. Native creator-style content is not a stylistic preference on TikTok, it is the entry requirement, and the platform’s ranking behaviour actively suppresses anything that reads as an advertisement. TikTok CPI varies 10 to 50% against Meta almost entirely on how native the creative is.

This is the single most common reason a brand tries TikTok, sees terrible numbers, and concludes the platform does not work for their category. They ran their Meta library on it. The media was cheap and the creative was disqualified before the auction mattered.

So the honest comparison is not $4.08 against $15.06. It is $4.08 plus the cost of a continuous supply of native creator content against $15.06 with creative you may already own. For a brand with no creator pipeline, TikTok is frequently the more expensive platform in practice, and the CPM comparison actively misleads.

Building that pipeline is a real commitment: creators under contract, briefs written for a format your brand team probably finds uncomfortable, and a tolerance for output that looks unpolished by design.

Are Spark Ads worth the premium?

Yes for most consumer brands, and the arithmetic is not close.

Spark Ads run a creator’s existing organic post as an advertisement from the creator’s own handle rather than your brand account. They carry roughly a 38% CPC premium, which is what stops people using them, but they produce 2.4x higher CTR and 44% higher conversion rates. The effective CPA lands materially lower despite the higher click cost.

The operational requirement is trivial and almost always missed: your creator agreements need Spark Ad authorisation written in from the start. Retrofitting it later means going back to a creator who has moved on, stopped replying, or now understands exactly how much the permission is worth to you.

The mechanism behind the numbers explains where Spark Ads stop working. Running an ad from the creator’s handle inherits their profile, their comment history and their follower signal, so it reads as content rather than as an advertisement, which is the specific thing TikTok’s ranking rewards.

That inheritance cuts both ways. A creator with a thin or inactive profile passes less credibility, so the premium buys less. Spark Ads work best with creators who have a real posting history in your category, which is another reason to source for consistency rather than reach.

Where should you start?

Meta first, for most consumer brands. Attribution is more reliable, the creative bar is lower, and you can establish a measured baseline before adding a channel that demands its own content supply. Starting where measurement is cleanest means your second channel gets compared against something you trust.

TikTok second, once two conditions are met. You have a creator pipeline capable of producing native content continuously, not a one-off batch. And you have enough budget for TikTok ad sets to reach roughly 50 weekly conversion events on their own, rather than starving both platforms at once.

The exception is real and worth naming. A brand whose product is genuinely visual and demonstrable, selling to a younger audience, frequently finds TikTok is not the second channel but the first, with Meta becoming the efficiency layer underneath it. If your product does something visible in three seconds, test that assumption before defaulting to Meta.

There is a sequencing benefit that has nothing to do with either platform’s economics. Establishing one channel first gives you a creative baseline: a set of assets you know convert and a hook rate you know is normal for your category. Opening a second channel without that baseline makes every underperforming result ambiguous, because you cannot tell whether the channel is wrong or the creative is.

Give the second channel a defined window and a defined budget before you start, and write down what result would make you keep it. Channels opened without an exit criterion tend to run indefinitely at a level too small to work and too large to ignore.

What is the most common way brands get this wrong?

Splitting a modest budget across both platforms on day one.

Optimisation needs conversion density. Meta’s delivery system needs roughly 50 events per ad set per week before its modelling is reliable, and the same principle applies on TikTok. Two half-fed platforms optimise worse than one properly fed one, and the failure mode is expensive: you spend three months unable to tell which channel underperformed, because neither had enough data to be judged.

Pick one. Get it working, meaning stable CPA and a creative supply that keeps it there. Then open the second with its own budget, its own creative, and its own measurement window rather than a copy of the first.

The second most common version is subtler and harder to catch: running both platforms adequately, but from one creative library. The account is not starved and the numbers are not terrible, so nothing looks broken. What is actually happening is that the produced assets are carrying Meta and dragging TikTok, and the blended result hides both.

If you are going to run both, budget for two creative supplies. The alternative is not a cheaper version of running both platforms. It is a more expensive version of running one.

The short version

TikTok buys cheaper impressions and more genuinely new customers. Meta buys more reliable measurement and tolerates the creative you already have. Choose based on whether you can feed a native content pipeline, because that, not the CPM, determines which platform is actually cheaper for you.