Our Complete List of The Best Popunder Ad Networks

Best Popunder Ad Networks in 2026

Popunder ads are an interesting old/new form of advertising. They’re not new, by a long shot; they have existed almost as long as their more irritating cousins, the pop-up ads. When you visit a site using a pop-under, the ad shows up in a new window, but that window doesn’t steal focus. It hides beneath the current browser window, waiting patiently for when you move, minimize, or close your browser. You then see the ad in all its glory, exposed to the world for the first time.

There are a lot of potential pros and cons with these sorts of advertisements, so let’s take a look at those before I give you the goods. Yes, I’ll get to the networks list, just bear with me first.

The Pros of Popunders

Popunders have a lot of benefits, though some of them are relatively minor. For example, popunder advertising tends to be very inexpensive. Some cheap CPM ads and low-level PPC can be cheaper, but popunders tend to be on the inexpensive side, even when you use parameters or advertise on sites that have higher costs elsewhere.

Popunders are also quite flexible. Since they’re loading essentially an entire landing page, you have a lot of potential options both for marketing directly, and for split-testing different variations on a theme. You can adjust them on the fly, and optimize your campaign based on a wealth of data you harvest from both the ad network analytics and your own.

Popunders are very discreet compared to pop-ups, lightboxes, and content-interrupting interstitials. A good metaphor might be the coupons handed to you with your receipt when you buy groceries. You probably don’t look at them or pay much attention to them when you check out, you simply toss them in a bag and move on. When you get home and unpack, you find them and give them another look. You’re immediately brought back to the context in which you received them and they can remind you that you want a specific product. You can then act on that interest when you’re ready.

Of course, this only works so long as the content of the popunder is unobtrusive. If your ad plays any kind of sound, chances are it’s going to be immediately hunted down and closed, while the user assigns a bad experience to your brand in their memory. No one likes sound interrupting their browsing, and people especially hate sound they don’t know the source of. Not only is it disruptive, it’s also one of the hallmarks of malware, which is very much not an association you want to make.

Popunders also have the benefit of being the last thing a user sees in their browsing session, possibly to the level that they then immediately browse your site before finishing up. There’s a bit of psychology there; they’ve mentally finished what they were doing, so they’re open and ready to receive your marketing without distractions. Well, presumably without distractions - if they’re ending their session because a work break is over or they need to be somewhere, you don’t get much time. It kind of balances out.

The Cons of Popunders

Popunder advertising is not a perfect form of marketing, and it should by no means be your only source of advertising. The drawbacks can be minor or major, and it largely depends on the sites running your ads and the users browsing those sites.

The first and most major con is the association with the pop-up. Pop-ups have a special place in the annals of advertising’s hall of shame. They were used and abused so much that web browsers started building in pop-up blockers by default. The user doesn’t even need a dedicated adblocker - the browser handles it for them.

Pop-up ads were, and still are, largely the domain of the shadier corners of the internet. Online casinos, adult sites, and other such seedy destinations use them, which means any business advertising via pop-ups tends to get lumped in with that crowd. Popunders share a similar stigma, since those same types of sites have been quick to adopt them too. It all depends heavily on the network and who their publishers actually are.

Popunders have some level of security concern as well. They open a browser window without a direct user action, which raises red flags for security-conscious users and, increasingly, browsers themselves. In 2026, browser vendors have continued tightening permissions around unsolicited window spawning, so this is worth factoring into your strategy.

There’s also the timing problem. Popunders can spawn during an unrelated browsing session and only surface hours later, long after the user has mentally moved on from whatever they were doing. The relevance may be completely gone, and the user may have no idea why your ad appeared at all.

There’s also the issue of adblockers and browser-level blocking. The same mechanisms that prevent pop-ups in modern browsers apply broadly to all windows spawned without explicit user commands. Popunders are not generally user-initiated, so they can be caught by the same blocks. Some networks have developed click-triggered workarounds to get around this, but it remains an ongoing arms race. If you’re relying heavily on paid traffic, it’s also worth understanding whether PPC costs fluctuate by time of year, since that can compound these challenges further.

The Network List

I’ve compiled a list of some of the best and most popular ad networks that offer popunder advertising. You’ll probably recognize some of the names from other lists, primarily because they handle more than just popunders, but several of them are specialists. I’ve tried to include useful information for each, but nothing I say will beat investigating the sites yourself. Read their terms, read their limitations, and decide for yourself if they’re the right fit. While a lot of the information below is geared towards publishers, I’ve tried to include the advertiser perspective as well.

PopAds - Founded in 2010, this is one of the top-tier popunder ad networks with a minimum payout of just $5. They don’t impose minimum traffic requirements for publishers, they accept traffic from around the world, and their CPM rate is relatively competitive for US traffic. They work with both SFW and adult sites, making them one of the more accessible entry points for new publishers.

ExoClick - One of the largest ad networks in the world, ExoClick now processes 12 billion daily impressions, making it a genuine heavyweight in the space, particularly for adult advertising. Their platform is entirely self-service with deep targeting options. They offer pop-ups, popunders, and a range of traditional ad formats. Minimum payout is $20, and they support wire transfer in addition to standard e-payment options.

PopCash - This network is notable for its resistance to common adblockers. Their minimum payout is $10, with hourly stat updates and daily payments available once you hit the threshold. Approval is fast and integration is straightforward. They accept both SFW and NSFW content.

PropellerAds - One of the more established and well-regarded networks in the popunder space, PropellerAds now delivers 500 million impressions daily globally. They get around adblockers by triggering ads on user clicks, which improves delivery rates. Minimum payout is $100, or $500 via wire transfer, which may be a hurdle if you’re running at low volumes. That said, their targeting and optimization tools have matured significantly and are worth the entry point for serious advertisers. You can find more detail in this Propeller Ads review on average pricing and conversion rates.

Adsterra - Founded in 2013, Adsterra has grown into one of the top international popunder and display ad networks, now delivering over 30 billion impressions monthly and working with more than 50,000 partners, achieving 1.5 billion conversions annually. They divide their traffic across 190 geolocations for precise targeting. Cryptocurrency payment options are available for those who want them. This is one of the networks I’d put near the top of the list in 2026.

ClickAdilla - A network that’s grown considerably in reputation since launching in 2016, ClickAdilla now delivers 4.5 billion daily impressions. They offer popunders alongside a solid range of other ad formats, with a straightforward self-serve platform. Worth a serious look if you haven’t come across them before.

MyBid - A newer but quickly growing fully managed ad network reporting 400+ million monthly clicks for popunder traffic specifically. The fully managed model makes it appealing for advertisers who don’t want to micromanage campaigns. Worth exploring if you prefer a more hands-off approach.

AdCash - AdCash now processes an impressive 90 billion ad requests per month through 100+ RTB partners, putting them firmly in the major league. Advertisers still face a higher minimum buy-in, which can be a hurdle for low-volume testing, but their geographic targeting and scale make them compelling for serious campaigns. If you’re wondering which countries have the highest CPM payout rates, it’s worth factoring that into your targeting decisions here.

Ad Maven - One of the better mid-tier networks around, Ad Maven offers banners, lightboxes, sliders, and popunders with near-immediate approval and a simple setup process. Minimum payout is $50 bi-weekly. A solid choice if you want variety beyond just popunders.

Bidvertiser - This network uses a bidding system that helps publishers in high-demand niches earn more, while advertisers can optimize their budgets to land on the best sites they can afford. A good choice if you want to experiment with dynamic pricing.

JuicyAds - Publicly launched in 2006, JuicyAds has been around long enough to know what it’s doing. They bill themselves as “the sexy advertising network,” which is fitting because they work almost exclusively with adult sites. If you’re in that industry, it’s one of the better networks available. If not, move along.

RevenueHits - A well-known network with a solid referral program and a higher minimum payout of $50. In addition to popunders, they offer display and text ads, with CPC, CPM, and CPA models available depending on your goals.

Temporarily Offline / Dead Sites

These sites have been reported as offline or appear to no longer be operating, so whether it’s temporary or permanent, they still deserve an honorable mention:

• PopOnClick - Offered geographic targeting and claimed CPMs as high as $30 for some publishers. Appears to no longer be active.
• Clicksor - Once considered one of the more reputable popunder networks with a $50 minimum payout and a variety of ad formats. No longer operating.
• Gunggo - A network that always came with caveats, including some concerning reports of unpaid balances. Offline now, and not missed by many.
• CPMoz - Consistent payments and no adult content. A decent mid-tier option in its time, now offline.
• AdOnly.com - A solid middle-of-the-road choice with a 98% fill rate and multiple ad formats. No longer reachable.

Final Thoughts and Comments

The popunder landscape in 2026 has consolidated around a smaller number of well-funded, high-volume networks. The fly-by-night operations have largely fallen away, which is genuinely good news for advertisers and publishers who want reliable payouts and consistent performance. The networks that have survived have done so by scaling aggressively, improving targeting, and adapting to increasingly strict browser policies.

If you know of a network you can vouch for - and that’s an important part, vouch for them as a user, not as an employee - mention it in the comments and I’ll check them out. I’m always open to adding new networks to the list.