K: Pop Up Email+Popup Window vs Popup Builder
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for K: Pop Up Email+Popup Window, Oct 13, 2026 for Popup Builder.
The short answer
- Only Popup Builder lists a free plan.
- K: Pop Up Email+Popup Window lists 22 features Popup Builder’s listing doesn’t mention, including AI generation, Analytics, Announcements.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 Active Popup
- · Basic Popup Layouts
- · Content Customization
- · Page Targeting
- · URL Redirects
Growth
- · 5 Active Popups
- · Advanced Settings
- · Attractive Templates
- · CSS Customization
- · Image Uploads
Pro
- · Advanced Templates
- · Advanced Triggers
- · All Templates Access
- · Countdown Timers
- · Gradient Backgrounds
- · Unlimited Popups
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureTurn store traffic into conversions with Email Pop up - your all-in-one solution for smart, high-impact campaigns. Drive sales and capture leads, announce discounts, display exit-intent offers, or promote seasonal sales without coding. Use window popups to grow your email list, highlight bundles, or share special deals. Personalize popup emails by device, page, or behavior to encourage customer actions.
Our app helps you gather leads from store traffic by making it easy to create custom pop-ups. You can design popups that match your brand without any coding knowledge. You will appreciate the simple interface that allows for quick adjustments to colors and text.
- 150+ Templates: Promos, announcements, forms, urgency pop-ups, timers and more.
- AI-Powered Tools: Auto-generate text, visuals, and forms for faster campaigns.
- Targeting & Rules: Show by page, time, scroll, exit intent, device and more.
- Email Integrations: Sync leads with your favorite marketing platforms.
- Design custom pop-ups easily using a straightforward, no-code visual editor.
- Choose from a library of pre-designed templates for quick and easy setup.
- Set custom display rules to show your pop-ups on specific pages or times.
- Ensure your pop-ups look great on any device with mobile-responsive designs.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  K: Pop Up Email+Popup Window |  Popup Builder |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | K: Pop Up Email+Popup Window | Popup Builder |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 11 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | K: Pop Up Email+Popup Window | Popup Builder |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $18/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | 3 |
Listing
| Measure | K: Pop Up Email+Popup Window | Popup Builder |
|---|---|---|
| Shopify category rank | #80(ahead) | #378 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 13, 2025 | Sep 22, 2026 |
| Languages | 1 | 1 |
| Developer | Kaktus | Poup Builder |
FAQ
K: Pop Up Email+Popup Window and Popup Builder: common questions
- Is K: Pop Up Email+Popup Window or Popup Builder cheaper?
- Only Popup Builder lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- K: Pop Up Email+Popup Window lists 22 the others don’t mention, such as AI generation, Analytics, Announcements, APIs and webhooks. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 3, 2026 for K: Pop Up Email+Popup Window, Oct 13, 2026 for Popup Builder; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 3, 2026 for K: Pop Up Email+Popup Window, Oct 13, 2026 for Popup Builder. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.