Brevo Sendinblue by Combidesk 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 Nov 8, 2026 for Brevo Sendinblue by Combidesk, Oct 13, 2026 for RetentionLab.
The short answer
- Paid plans start at $8/month for Brevo Sendinblue by Combidesk and $29.99/month for RetentionLab.
- RetentionLab lists 10 features Brevo Sendinblue by Combidesk’s listing doesn’t mention, including Cross-sell emails, Product recommendations, Product reviews.
Head to head
Marketing Automation Made Easy
- United States
- France
- Germany
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Standard
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 featureStores relevant customer data in your Brevo subscriber list. Not only the name and email of your customers are stored in your Sendinblue account, but also their address data and customer information like the number of orders in your webshop and the total amount they spent. This greatly increases your segmentation options. Synchronizes your customer data to your Brevo list every 15 minutes.
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.
- Synchronizes customers and newsletter subscribers to the Brevo list
- Stores relevant customer data in your Brevo account.
- Synchronizes your customer data to your Brevo campaign.
- 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 |  Brevo Sendinblue by Combidesk |  RetentionLab |
|---|---|---|
| Detected stores | 129 | 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 | Apparel & Accessories, Home & Garden, Health & Beauty | Not published |
| Top store countries | United States, France, Germany | Not published |
Reviews
| Measure | Brevo Sendinblue by Combidesk | RetentionLab |
|---|---|---|
| App Store rating | 3.0 ★ | Not published |
| App Store reviews | 6 | 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 | Brevo Sendinblue by Combidesk | RetentionLab |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $8/month(ahead) | $29.99/month |
| Longest free trial | 30 days | 14 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Brevo Sendinblue by Combidesk | RetentionLab |
|---|---|---|
| Shopify category rank | Not enough data | Not enough data |
| Shopify App Charts | #25 in Email marketing | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 25, 2016 | Jun 3, 2026 |
| Languages | 1 | 1 |
| Developer | Combidesk | RetentionLab |
FAQ
Brevo Sendinblue by Combidesk and RetentionLab: common questions
- Is Brevo Sendinblue by Combidesk or RetentionLab cheaper?
- Paid plans start at $8/month for Brevo Sendinblue by Combidesk and $29.99/month for RetentionLab. 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?
- Brevo Sendinblue by Combidesk lists 4 the others don’t mention, such as Custom campaigns, Editor tool, Email capture list, Newsletters. RetentionLab lists 10 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 Nov 8, 2026 for Brevo Sendinblue by Combidesk, 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 Nov 8, 2026 for Brevo Sendinblue by Combidesk, 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.