Flowbase: Email & SMS Popups vs Poplix: Popup Builder
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Sep 27, 2026 for Flowbase, Nov 9, 2026 for Poplix.
The short answer
- Flowbase lists 10 features Poplix’s listing doesn’t mention, including Analytics, Announcements, Campaigns.
Head to head
- Slovakia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Pro
- · Branded popup with live preview
- · Consent and email marketing sync
- · Desktop and mobile layouts
- · Different popup per market
- · Discount code after signup
- · Page targeting and timing rules
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureGrow your subscriber list with popups designed to maximize opt-ins. Craft pixel-perfect designs using a Figma-like editor—control layouts, animations, and branding without code. Launch fast with conversion-optimized templates. Test designs, incentives, and copy with built-in A/B testing and track real-time analytics to refine campaigns and boost performance.
Poplix adds a branded signup popup to your online store and saves every subscriber as a Shopify customer, so your list grows where you already market. Design it with a live preview: text, colors, images and separate desktop and mobile layouts. Collect marketing consent with a checkbox and sync email marketing status to Shopify.
- Get started in minutes with expertly designed, proven templates
- Design pixel-perfect popups with a Figma-like editor—no code needed
- Capture emails, phone numbers, and zero-party data seamlessly
- Sync subscriber data to Klaviyo, Postscript, Shopify, and others
- Fully customizable popup design — colors, fonts, images
- Per-market popup settings for international stores
- Email consent captured and synced to Shopify customers
- Page targeting and display frequency controls








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 | Flowbase | Poplix |
|---|---|---|
| Detected stores | Not published | 1 |
| 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 | Sporting Goods |
| Top store countries | Not published | Slovakia |
Reviews
| Measure | Flowbase | Poplix |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 8 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Flowbase and Poplix: common questions
- What features does each app list that the other doesn’t?
- Flowbase lists 10 the others don’t mention, such as Analytics, Announcements, Campaigns, Discounts. Poplix lists 2 the others don’t mention, such as Banners, Tracking. 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 Sep 27, 2026 for Flowbase, Nov 9, 2026 for Poplix; 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 Sep 27, 2026 for Flowbase, Nov 9, 2026 for Poplix. 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.





