EndorseIQ vs RetainIQ
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for EndorseIQ, Nov 8, 2026 for RetainIQ.
The short answer
Head to head
Email Templates & notification over Klaviyo, Email Marketing
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Full Access
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureEndorseIQ helps retailers and merchants unlock a deeper understanding of the visitors engaging with their e-commerce stores. After installation, the EndorseIQ app collects privacy-compliant data through a pixel, turning it into a rich audience insight report with 300+ data signals.
RetainIQ enables eCommerce stores globally to convert and retain their customers by allowing brands to send hyper-personalized Emails & SMSes, making interventions more personal and relevant. You can now get beyond segmentation and create segments-of-1 by personalizing for varied dynamic tags such as loyalty, social proof, weather, location, recent-site action and image.
- Understand the demographics of your store visitors and shoppers
- View audience interests across lifestyle, media, and retail categories
- Identify customer segments that can guide marketing and targeting
- Use store audience insights to shape creative and partnership strategy
- Add multiple data sources and APIs to deliver that magical experience.
- Track the behaviour of shoppers and trigger relevantly to increase conversions.
- Create multiple versions for 1:1 personalization from just 1 HTML.
- Experiential intelligence that strategizes and optimizes for 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 | EndorseIQ | RetainIQ |
|---|---|---|
| Detected stores | 1 | 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 | Home & Garden | Not published |
| Top store countries | United States | Not published |
Reviews
| Measure | EndorseIQ | RetainIQ |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 42 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
EndorseIQ and RetainIQ: common questions
- 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 9, 2026 for EndorseIQ, Nov 8, 2026 for RetainIQ; 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 9, 2026 for EndorseIQ, Nov 8, 2026 for RetainIQ. 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.






