Blog · 5 December 2025

Do you need an ad spy tool or just a swipe file?

Ad spy tools find ads for you for $26 to $459 a month. A swipe file keeps the ones you liked. How to tell which you need, and the free stack that covers most.

TLDR

  • Ad spy tools go looking for ads for you: millions of them, searchable, with competitor alerts. A swipe file keeps the ones you found and why you liked them.
  • You need a spy tool if finding new ads is a daily part of your job, for several brands. Most marketers don’t.
  • The free ad libraries cover discovery for most people. Pair them with a swipe file and you’ve got 90% of what the paid tools do.

What an ad spy tool does

The name is dramatic. What they actually do: collect ads in bulk (from the ad libraries, and sometimes by scraping), let you search them by brand, keyword, format, or how long they’ve been running, and alert you when a competitor launches something new. The better ones add analytics on your own ads and briefs for your editors.

The well-known ones:

  • Foreplay and Swipekit for paid social teams. Swipe file plus discovery plus tracking.
  • Minea, PiPiADS, and BigSpy for ecommerce and dropshipping, scraping across networks.
  • AdSpy for Facebook and Instagram, old-school and pricey.
  • Eden, which pairs a library of ads with AI writing tools.

Prices run from $26 to $459 a month.

What a swipe file does

It remembers. You see an ad that stops you, you save it, you write a line about why. Six months later you’re writing a brief and you search “free trial” or “UGC hook” and it’s there, with the landing page it pointed to. The what is a swipe file post goes into the history (copywriters have done this with scissors and a folder for a century).

Which one do you need?

You need a spy tool if most of these are true:

  • You run paid social for a brand or several, every day.
  • You need to know when competitors launch, not just eventually.
  • “How long has this ad been running?” is a question you ask weekly, because long-running usually means profitable.
  • Your company pays for it.

You need a swipe file if most of these are true:

  • Ads are one part of what you look at, along with landing pages, emails, and onboarding.
  • You come across good stuff naturally, scrolling, and just need to keep it.
  • You’d rather think about why an ad works than read a dashboard about it.
  • You’re paying for it yourself.

The free stack

For most people this is plenty:

  1. Find in the free libraries: the Meta Ad Library, the TikTok Creative Center, the LinkedIn Ad Library, and the Google Ads Transparency Center. They show every active ad, and Meta shows when each one started running.
  2. Keep in a swipe file. Savepad is free for 150 saves: paste the ad link or a screenshot, and the text inside gets read so you can search it. Add the landing page, and it keeps a full-page snapshot.
  3. Revisit monthly. Ten minutes on a Friday looking at your last 20 saves is worth more than 2,000 you never open.
0899 · running since March · Meta
0996 · TikTok · top ads
0193 · LinkedIn · Tidepool
Ads found in the free libraries and kept in a swipe file, each with a note on why it works.

A word on copying

Spy tools make it very easy to find a winning ad and remake it shot for shot. Don’t. Brands notice, platforms flag it, and it rarely works as well the second time because the original worked for reasons you can’t see. Steal the structure, the hook, the angle. Write your own words. The best ad swipe file tools post has the full list if you’ve decided you need one after all.

FAQ

What is an ad spy tool?

Software that collects ads from the ad libraries and the open web so you can search ads you've never seen, see how long they've run, and track what competitors launch. Foreplay, Swipekit, Minea, and BigSpy are examples.

Are ad spy tools legal?

Looking at ads is fine, that's what the public ad libraries are for. Scraping is a grey area each tool handles differently, and copying someone's creative is a different problem altogether.

Can I spy on competitors' ads for free?

Yes. The Meta Ad Library, TikTok Creative Center, LinkedIn Ad Library, and Google Ads Transparency Center are all free and show what any advertiser is running.

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