Companies Using Popup Builder

As of our March 2026 crawl, Popup Builder runs on 16,253 active domains with 10,002 enriched company profiles in our database. Below is what our detection data, migration flows, and G2 review signals tell us about who's using this WordPress popup plugin and where the market is heading.

Growth Trajectory

Popup Builder's growth story has two distinct chapters. From 1 domain in September 2018, the platform climbed steadily to a peak of 13,618 active domains in April 2025. That's strong adoption for a free WordPress plugin. But the second chapter is concerning: a 21% drop to 10,718 domains by July 2025. A loss of 2,900 sites in 90 days. Our historical data confirms this isn't seasonal fluctuation. The 79,963 previously-detected domains. A staggering 4.9:1 churn ratio, tell the deeper story. Companies try Popup Builder, use it for 12-24 months, then graduate to specialized tools or abandon popup strategies altogether. The 1.02% market share (rank 5th) places it below Smart App Banner (10.83%) and OptinMonster (2.98%).

Sales Signal: The 2,900-domain loss in Q2 2025 creates an active migration window. Companies leaving Popup Builder are mid-decision on their next tool. If you sell popup alternatives, the timing is ideal. These are warm leads actively evaluating options. Hit them before they settle on a replacement.

"Popup Builder's 79,963 previously-detected domains reveal the classic WordPress plugin lifecycle: install, test, use for a year, then outgrow. The 4.9:1 churn ratio isn't product failure. It's market graduation. Companies start with Popup Builder and move upmarket when their needs become more sophisticated."

— Mehmet Suleyman, CEO at TechnologyChecker.io

Customer Profile

The data is unambiguous: 69.42% of Popup Builder customers have 1-10 employees, with another 16.4% at 11-50. Nearly 86% of the entire base is under 50 employees. Enterprise presence is negligible, only 0.27% have 10,001+ employees. Geographic distribution confirms the micro-business pattern: the US leads at 22.7% (2,266 companies), but India (9.4%), France (4.9%), and Germany (4.8%) show fragmented adoption across 120+ countries, price-sensitive small businesses finding the plugin through the WordPress Plugin Directory.

Sales Signal: If you're selling to Popup Builder customers, expect low deal sizes and long decision cycles. These are owner-operators comparing free alternatives. Expansion revenue is limited, these accounts don't grow 3-5x over 24 months. Price your product accordingly and offer self-serve onboarding.

Industry and Geographic Concentration

Industry distribution is remarkably flat, no vertical exceeds 3.64% (Retail). Restaurants follow at 3.49%, Medical Practices at 3.36%, and Real Estate at 3.02%. Popup Builder customers are local businesses, dentists, restaurants, real estate agents, who need a basic email capture popup and found a free solution.

Sales Signal: For vendors targeting local service businesses (restaurants, medical practices, real estate), Popup Builder presence is a technographic signal that the business has a WordPress site and cares about lead capture. They're ready for the next step, email marketing, CRM, or booking systems, but they'll need simple, affordable solutions.

Migration Patterns

Migration data reveals Popup Builder's most pressing challenge: structural outflow. The losses are dramatic. 1,099 companies migrated to Smart App Banner (gaining only 163 from it. A 6.7:1 loss ratio). Another 527 moved to OptinMonster (gaining 434 from it). And 281 went to Buttonizer (gaining only 35. An 8:1 loss ratio). On the inbound side, Popup Builder gains come from OptinMonster (434) and Smart App Banner (163), companies that found those tools too complex or expensive.

Sales Signal: The 6.7:1 Smart App Banner outflow is the biggest competitive threat. If you sell mobile-first engagement tools, Popup Builder's customer base is your prospect pool. Position on mobile optimization and native app promotion, capabilities Popup Builder doesn't offer.

"Popup Builder's migration data tells three distinct stories: companies upgrading to OptinMonster for sophistication, shifting to Smart App Banner for mobile-first strategies, or moving to Buttonizer for less intrusive engagement. Each outflow identifies a different buyer persona with different needs. Smart sales teams will segment their outreach accordingly."

— Mehmet Suleyman, CEO at TechnologyChecker.io

Technology Ecosystem

The tech stack data reveals Popup Builder's existential dependency: 99.45% of customers run WordPress. That's not high correlation. It's total platform lock-in. The typical stack companion list reads like a WordPress micro-business starter kit: jQuery (99.37%), Google Tag Manager (68.46%), Contact Form 7 (53.53%), Yoast SEO (51.36%). These aren't sophisticated technology buyers evaluating multi-platform solutions. They're DIY site owners who installed Popup Builder from the WordPress Plugin Directory alongside a dozen other free plugins. Popup Builder's growth ceiling is directly tied to WordPress's fortunes in the small business website market.

Sales Signal: Any product pitched to this audience must install as a WordPress plugin or integrate via a simple code snippet. If your onboarding requires API configuration, developer resources, or multi-step setup, you'll lose this customer segment before they finish reading the documentation.

G2 Review Signals

G2 review data for Popup Builder is limited but revealing. Users praise engagement and conversion boosts (5 mentions) as the primary strength, confirming that the plugin works for its intended purpose. On the criticism side, slow performance draws concern (1 mention), and ease of use surfaces as a frustration point. The migration data tells a clearer story: the 1,099 departures to Smart App Banner and 527 to OptinMonster reveal companies outgrowing Popup Builder for performance, targeting sophistication, and mobile-first capabilities.

Sales Signal: Performance is your competitive entry point against Popup Builder. If your popup tool loads faster and offers better mobile rendering, lead with performance benchmarks. The G2 performance criticism, combined with the OptinMonster migration for advanced features, validates a positioning strategy built on speed and sophistication.

Key Takeaways

1. 79,963 previously-detected domains reveal a high-churn business model. The 4.9:1 churn ratio shows companies using Popup Builder as a stepping stone, not a long-term solution.

2. The 21% domain decline in Q2 2025 is structural, not seasonal. Nearly 2,900 sites left in 90 days, with migration flowing primarily to Smart App Banner and OptinMonster.

3. 69.42% micro-business concentration limits monetization potential. These are owner-operators on free WordPress plugins with minimal technology budgets.

4. 99.45% WordPress dependency creates platform risk. Popup Builder's fortunes are completely tied to WordPress's continued dominance in the small business website market.

5. Migration ratios tell the competitive story. The 6.7:1 loss to Smart App Banner and 8:1 loss to Buttonizer identify the specific engagement models replacing traditional popups.

Sales Applications

Outreach template: "We noticed your WordPress site currently uses Popup Builder for lead capture. Our data on 10,002 Popup Builder customers shows that [retail/restaurant/medical] businesses typically see improved results when they add [advanced targeting/mobile optimization/A/B testing] to their popup strategy. Would a 10-minute conversation about upgrading your lead capture setup be worthwhile?"

Targeting strategy: Focus on Popup Builder customers that adopted the plugin in 2023-2024. They're in the 12-24 month replacement window our data identifies. Priority segments: US retail businesses (22.7% of base), Indian micro-businesses (9.4%), and French SMBs (4.9%). Keep pricing under $30/month to compete with free alternatives.

Competitive angle: Against Popup Builder, lead with three things: performance speed, mobile-first design, and targeting sophistication. The G2 performance criticism and the migration to OptinMonster (advanced features) and Smart App Banner (mobile-first) validate all three angles. Against OptinMonster, position on simplicity and price. Popup Builder's customers chose it because it was free and easy, they won't jump to something complex.

For the full breakdown of all 16,253 Popup Builder customers across 120+ countries and enriched firmographic profiles, explore our dataset at TechnologyChecker.io.