K: Pop Up Email+Popup Window vs POWR Email Popup & Discounts
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, Nov 8, 2026 for POWR Email Popup & Discounts.
The short answer
- On the Shopify App Store: K: Pop Up Email+Popup Window 5.0 from 11 reviews and POWR Email Popup & Discounts 4.7 from 9 reviews.
- K: Pop Up Email+Popup Window lists 15 features POWR Email Popup & Discounts’s listing doesn’t mention, including AI generation, Analytics, APIs and webhooks.
Head to head
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
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.
POWR Email Popup & Discounts helps you capture emails and grow your list without coding. Use an email popup to collect newsletter signups, or a discount popup that rewards new subscribers with a code. Trigger popups on exit intent, after a delay, or on scroll, and match your brand with ready-made templates, fonts, and colors.
- 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.
- Flexible Display Controls. Choose display frequency & select triggers.
- Set up autoresponders and instant email alerts for new submissions.
- Choose from many different pre-built templates and match it to your brand
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 |  POWR Email Popup & Discounts |
|---|---|---|
| Detected stores | Not published | 282 |
| Net store change, 28 days | 0 | +3 |
| Stores added, 28 days | Not enough data | 5 |
| Big-brand share | Not enough data | 5% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, United Kingdom, Australia |
Reviews
| Measure | K: Pop Up Email+Popup Window | POWR Email Popup & Discounts |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.7 ★ |
| App Store reviews | 11(ahead) | 9 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | K: Pop Up Email+Popup Window | POWR Email Popup & Discounts |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | Not published |
Listing
| Measure | K: Pop Up Email+Popup Window | POWR Email Popup & Discounts |
|---|---|---|
| Shopify category rank | #80(ahead) | #217 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 13, 2025 | Oct 27, 2017 |
| Languages | 1 | 1 |
| Developer | Kaktus | POWR.io |
FAQ
K: Pop Up Email+Popup Window and POWR Email Popup & Discounts: common questions
- Which has better reviews, K: Pop Up Email+Popup Window or POWR Email Popup & Discounts?
- On the Shopify App Store: K: Pop Up Email+Popup Window 5.0 from 11 reviews and POWR Email Popup & Discounts 4.7 from 9 reviews.
- What features does each app list that the other doesn’t?
- K: Pop Up Email+Popup Window lists 15 the others don’t mention, such as AI generation, Analytics, APIs and webhooks, Banners. POWR Email Popup & Discounts lists 6 the others don’t mention, such as Consent pop-ups, Custom CSS, Font and color, Newsletters. 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, Nov 8, 2026 for POWR Email Popup & Discounts; 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, Nov 8, 2026 for POWR Email Popup & Discounts. 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.