Customer Sync for EmailOctopus vs SquareFloww Square Integration
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Paid plans start at $6/month for Customer Sync for EmailOctopus and $19/month for SquareFloww Square Integration.
- SquareFloww Square Integration lists 3 features Customer Sync for EmailOctopus’s listing doesn’t mention, including Price sync, Product sync, Products.
Head to head
Pro
Starter
- · 1 location pair
- · Manual product, inventory, customer sync
- · Up to 1,000 synced products
- · Up to 500 synced customers
Growth
- · Automatic Sync Support
- · Up to 2,000 synced customers
- · Up to 2,000 synced products
- · Up to 3 location pairs
Pro
- · Everything in Growth
- · Unlimited location pairs
- · Up to 10,000 synced customers
- · Up to 10,000 synced products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSync your Shopify customers into your EmailOctopus list automatically. Only customers who have opted in to marketing are ever synced. Contacts are tagged and enriched with purchase data so you can segment and trigger EmailOctopus automations, including abandoned-cart recovery and post-purchase flows.
Never update stock or customer info twice. Sync Shopify with Square to keep your product catalog, inventory, and customer records accurate across every location — automatically, in real time. Bulk import and export products with images, descriptions, and pricing, then let inventory and customer data stay in sync as you sell.
- Import subscribed customers to EmailOctopus
- Trigger welcome, abandoned checkout and post-purchase flows in EmailOctopus
- Segment your email list by orders, revenue and products
- Push Shopify products to Square or pull Square catalog items into Shopify
- Push Shopify customers to Square or import Square customers back into Shopify
- Smart ID mapping, re-syncs update existing records in place
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 |  Customer Sync for EmailOctopus |  SquareFloww Square Integration |
|---|---|---|
| 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 | Customer Sync for EmailOctopus | SquareFloww Square Integration |
|---|---|---|
| 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 | Customer Sync for EmailOctopus | SquareFloww Square Integration |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $6/month(ahead) | $19/month |
| Longest free trial | 7 days | 7 days |
| Plans listed | 1 | 3 |
Listing
| Measure | Customer Sync for EmailOctopus | SquareFloww Square Integration |
|---|---|---|
| Shopify category rank | #188 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 27, 2026 | May 12, 2026 |
| Languages | 1 | 1 |
| Developer | Tarka Digital Ltd | RippleStep |
FAQ
Customer Sync for EmailOctopus and SquareFloww Square Integration: common questions
- Is Customer Sync for EmailOctopus or SquareFloww Square Integration cheaper?
- Paid plans start at $6/month for Customer Sync for EmailOctopus and $19/month for SquareFloww Square Integration. 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?
- Customer Sync for EmailOctopus lists 1 the others don’t mention, such as Real-time sync. SquareFloww Square Integration lists 3 the others don’t mention, such as Price sync, Product sync, Products. 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 Oct 13, 2026; 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 Oct 13, 2026. 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.