Doppler ‑ Marketing Automation vs RetentionLab: Reduce Churn
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 19, 2026 for Doppler, Oct 13, 2026 for RetentionLab.
The short answer
- Doppler lists 13 features RetentionLab’s listing doesn’t mention, including A/B testing, Abandoned cart, Analytics.
Head to head
Connect with Doppler and easily send Email & SMS Campaigns
Starter
- · 14-day free trial
- · Sync up to 2,500 contacts
Launch
- · 7-day free trial
- · Sync up to 10,000 contacts
Grow
- · Sync up to 50,000 contacts
Accelerate
- · Sync up to 100,000 contacts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureOur Shopify integration lets you add customers automatically to Doppler, create Segments based on their demographic data, Subscribers' behavior and performance in order to deliver personalized and responsive Email & Automation Marketing Campaigns. Learn about your results and income from your campaigns with our avdanced reporting dashboards and integrate with Business Intelligence to enhance your insights.
Klaviyo can send anything. It just can't tell you who to send it to, or when. RetentionLab watches your store and finds the customers about to churn, ready to reorder, or due for a cross-sell. You see them on one dashboard, ranked by the revenue actually at stake, then sync the ones you want into Klaviyo as ready-to-use segments. Your existing flows do the sending. Connect it once and it runs on its own.
- Sync List and purchase data.
- Set up Email Automation Campaigns to win back lapsed customers.
- Add up Email or SMS follow up post-purchase.
- Trigger personalized lifecycle messaging based on customer behavior
- Sync dynamic customer audiences to Klaviyo, Omnisend, and more
- LTV, churn prediction, behavioral cohorts, attribution & audience insights
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 |  Doppler |  RetentionLab |
|---|---|---|
| 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 | Doppler | RetentionLab |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 | Doppler | RetentionLab |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $29.99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | Not published | 4 |
Listing
| Measure | Doppler | RetentionLab |
|---|---|---|
| Shopify category rank | #228 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 10, 2022 | Jun 3, 2026 |
| Languages | 1 | 1 |
| Developer | Doppler - Email Marketing | RetentionLab |
FAQ
Doppler and RetentionLab: common questions
- What features does each app list that the other doesn’t?
- Doppler lists 13 the others don’t mention, such as A/B testing, Abandoned cart, Analytics, APIs and webhooks. RetentionLab lists 8 the others don’t mention, such as Cross-sell emails, Product recommendations, Product reviews, Promotions. 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 Feb 19, 2026 for Doppler, Oct 13, 2026 for RetentionLab; 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 Feb 19, 2026 for Doppler, Oct 13, 2026 for RetentionLab. 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.