YouTube Ad Spy Tools: Coverage and Pricing Compared

Most ad spy tools do not cover YouTube. The category grew up on the Meta Ad Library, so the majority of vendors are Facebook and TikTok tools that never added video. As of August 2026 the ones that genuinely cover YouTube are AdEye, BigSpy, Anstrex InStream and Google's own free Ads Transparency Center. Foreplay does not cover it, and Adbeat sells pre-roll video coverage without naming YouTube anywhere on its site. Before you pay for anything, check the platform list rather than the marketing copy. Last updated August 2026.

YouTube is the channel advertisers research last and complain about most. There is no standalone YouTube ad library, the tool market barely serves it, and the vendors that do serve it are not the well-known names. That combination makes it easy to buy a subscription, log in, search a competitor, and find nothing at all.

This page is the coverage and pricing comparison. If you want the mechanics of actually finding a specific brand's video ads, the YouTube ad library guide walks through that separately.

Which ad spy tools actually cover YouTube?

Every row below was checked against the vendor's own site in August 2026. Where a vendor does not name YouTube, this table says so rather than guessing on your behalf.

Two rows need a footnote. Anstrex sells InStream as a separate product from its Native and Push tools, so the 39.99 dollars buys video and nothing else. Adbeat is marked "not stated" because its site sells pre-roll video coverage without naming YouTube anywhere, and at 249 dollars a month that is a question worth asking their sales team before you commit rather than assuming either way.

The useful thing about that table is how short the "yes" column is. Four options, one of which is free and published by Google. If a tool is not on this list, assume it does not cover YouTube until its own platform page says otherwise, because the vendors that do cover it advertise the fact loudly.

Why do so few ad spy tools cover YouTube?

It comes down to where the data lives. Meta publishes a searchable Ad Library with an API, and that single source is what the whole ad spy category was built on. A vendor can point at it, structure what comes back, and ship a product. TikTok later published its Creative Center and the same vendors extended into it.

YouTube never got that treatment. Google folded YouTube into the Ads Transparency Center rather than publishing a dedicated video ad archive, and the Transparency Center is built for public accountability rather than for competitive research. It is searchable by advertiser, which is the important part, but it has no analytics layer, no saving, no tagging and no way to line two advertisers up beside each other.

So the vendors that cover YouTube had to build against a source that was not designed for them. Most decided the demand did not justify it and stayed on Meta. That is the entire reason the market looks the way it does, and it is worth knowing because it also tells you the free option is closer to the paid ones here than in any other channel.

What the Google Ads Transparency Center gives you for free

Start here before you spend anything. The Google Ads Transparency Center lets you search an advertiser and see the ads they are running across Google properties, YouTube included, filtered by region and format. No account, no payment, no extension.

What it does not do is the research work. There is no way to save an ad, no way to tag it, and no memory at all, so it cannot tell you what a competitor launched since your last visit. You also cannot sort by anything that would tell you which ad is carrying the account.

One correction worth making, because it circulates widely and is wrong: Google does not publish a retention window for the Transparency Center. The thirty day figure people quote comes from the advertiser disclosure page, which is a different thing. Google states no archive period for ordinary commercial ads, so treat anything you find as a snapshot of now rather than a history you can rely on being there next month.

What to look for in a YouTube ad spy tool

Coverage is the first filter and it eliminates most of the market. After that, the things that actually change your week:

• Advertiser search, not just a trending feed. Plenty of tools show you popular video ads in a category. Far fewer let you type a specific competitor and see what they are running. If you cannot search by advertiser, it is an inspiration gallery, not a research tool.
• A signal for what is working. Nobody publishes YouTube ad spend, so run length and variation count are the honest proxies. An ad that has been live for four months in nine variants is carrying budget. A three day test is not.
• The rest of the advertiser's account. Brands rarely run YouTube in isolation. Seeing the same hook in their Search copy, their Shopping ads and their Display banners tells you more than the video alone, and all of it sits under one advertiser record in Google's library.
• Saving and a retained history. Research that lives in a browser tab is research you will redo next month, and the free library keeps no record of what ran before.

Be skeptical of any tool promising YouTube spend or view figures for a specific competitor. Those are models, not measurements, and the underlying numbers are not published by anyone.

How much do YouTube ad spy tools cost?

The spread is wider than in the Meta market. Anstrex InStream is 39.99 dollars a month for video alone. AdEye starts at 39 dollars, or free for ten searches a month, and covers YouTube video alongside the rest of an advertiser's Google ads. BigSpy's Pro tier is 149 dollars. Adbeat sits at 249 to 399 dollars, though it is a display and programmatic tool that happens to include pre-roll rather than a YouTube product.

Price tracks scope more than quality here. A single channel tool is cheap because it does one thing, and a display intelligence platform is expensive because it is built for agencies buying programmatic at volume. Work out which of those describes you before you compare the numbers. There is a fuller breakdown of the category's pricing in our guide to what ad spy tools cost.

Is a paid YouTube ad spy tool worth it?

If YouTube is a channel you check once a quarter, no. The Transparency Center is free and it will answer the question.

It becomes worth paying for at the point where you are running video regularly and the research is repetitive: you are tracking the same eight competitors every week, you need the winners saved somewhere your team can see them, and you want each check to tell you what changed rather than starting from a blank page, which the Transparency Center cannot do because it keeps no history. That is the work a tool removes, and it is the only honest case for the subscription.

The other case is scope. If YouTube is a gap and you also want the Search, Shopping and Display ads the same competitor is running, one tool reading the Transparency Center answers all of it from a single advertiser record. That is the position AdEye's YouTube ad spy tool is built for, and you can search a brand in the YouTube ad library view without setting anything up first. A Meta research tool stays a separate purchase, because AdEye does not read Meta.

What you can never get, from any tool

Worth stating plainly so you do not go shopping for it. No tool can give you a competitor's YouTube spend, their view counts on a specific ad, their targeting, their audience lists, or their conversion rate. None of that is public and none of it is sold, whatever a pricing page implies. Vendors that show a spend figure are showing you a model built from public signals, and there is no way to check it against the real number because the real number is never published.

What you can get is the creative itself, who is running it, roughly how long it has been live, and how many variations exist. In practice that is enough. The variations are where the strategy shows: when a brand builds nine cuts of one hook and keeps them all running, they have told you what is working more reliably than a modelled spend estimate ever could.

A hook that earns that treatment rarely stays a YouTube ad either. The same opening seconds usually turn up as a Short, a Reel and a TikTok within a few weeks, which is why it pays to cut one video into versions for every channel rather than treating each placement as a separate production job.

The short version

YouTube coverage is the exception in the ad spy market, not the rule. Four tools genuinely have it as of August 2026: AdEye, BigSpy, Anstrex InStream and Google's free Ads Transparency Center. Foreplay does not, and Adbeat does not name YouTube despite selling pre-roll. Start with the Transparency Center because it costs nothing and answers the basic question, then pay only when the repetition of weekly research is the thing costing you time. And check the platform list on the vendor's own site before you enter a card, because in this corner of the market the marketing copy and the coverage do not always agree.