Smart Carts vs F12 Labs ‑ Cart Sync Pro

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Smart Carts, Oct 2, 2026 for F12 Labs.

The short answer

  • Only Smart Carts lists a free plan.

Head to head

App Store reviews

Smart Carts: 3
F12 Labs: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Cart customization
  • Cart customization
Languages
  • English
  • English
Launched
Jul 14, 2023
May 1, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
1 last full month
—
Detected stores
0active installs
0active installs
Most common store size
—
—
Top countries
—
—

Momentum

New reviews each month

Review pace is the clearest public read on how fast an app is winning new merchants.

012NovMayJanSmart Carts: 1 reviews in November 2023Smart Carts: 2 reviews in May 2024Smart Carts: 1 reviews in January 2025
Smart CartsF12 LabsCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $100/month
—
Plans
FREEFree
  • · 25 Monthly Carts
  • · Editable Carts
  • · Fully Customizable Emails
  • · Item Reservation
  • · Viewable Carts
STARTER$30/month
30-day free trial
  • · 500 Monthly Carts
  • · Editable Carts
  • · Fully Customizable Emails
  • · Item Reservation
  • · Quality Support
  • · Viewable Carts
GROWTH$60/month
30-day free trial
  • · 1,000 Monthly Carts
  • · Editable Carts
  • · Fully Customizable Emails
  • · Item Reservation
  • · Quality Support
  • · Viewable Carts
PRO$100/month
30-day free trial
  • · 3,000 Monthly Carts
  • · Editable Carts
  • · Fully Customizable Emails
  • · Item Reservation
  • · Priority Support
  • · Viewable Carts
Free
Coverage
0 of 0 features0%
0 of 0 features0%
Unique strengths
—
—
000onlybothonly
Smart CartsF12 Labs0 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
—
—
How it sells itself

Smart Carts helps boost conversion rates by allowing you to interact with your customers’ carts live. Add urgency by reserving items for customers for a limited time, remind them with automated cart emails, and add items directly to their cart. Track everything with detailed analytics. Improve your customer experience with real-time cart updates, cross-device syncing, and fully customizable email reminders.

CartSync Pro automatically saves and restores customer carts across all devices. When a logged-in shopper adds items on their phone and later visits on desktop, their cart is waiting. The app tracks every cart change in real time and syncs instantly using customer metafields. No customer action needed - it works silently in the background.

Key points
  • Create, view, and edit your customers carts
  • Syncs carts across all their devices
  • Item reservation, creating a sense of urgency
  • Fully customizable email reminders
  • Automatic cross-device cart sync for logged-in customers — no action required
  • Built-in Cart Helper tool to manually manage and assign customer carts
  • Idle detection syncs cart automatically when customers return after inactivity
  • Customizable cart restoration notifications with position, color, and timing
Screenshots
Smart Carts - Edit/Reserve carts, automated emails Simplify Apps
In-Depth Analytics, Front-End Timers, and Customizable EmailsCart Editor View Live Carts, Set Priority Levels, Send Reminders
Cart Sync across Tablet, Mobile, Desktop and other devices
Stop abandoned cart and boost salesNever Lose A Cart AgainCustomer Support helping customer to manage cart

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.

Showing only the rows where the apps differ.

Adoption

MeasureSmart CartsF12 Labs
Detected storesNot publishedNot published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesNot publishedNot published
Top store countriesNot publishedNot published

Reviews

MeasureSmart CartsF12 Labs
App Store rating3.7 ★Not published
App Store reviews3Not published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureSmart CartsF12 Labs
Free planYesNot listed
Lowest paid monthly plan$30/monthNo monthly plan listed
Longest free trial30 daysNot listed
Plans listed4Not published

Listing

MeasureSmart CartsF12 Labs
Shopify category rankNot enough data#299in Cart customization
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedJul 14, 2023May 1, 2026
Languages1English1English
DeveloperSimplify AppsF12 Labs

FAQ

Smart Carts and F12 Labs: common questions

Is Smart Carts or F12 Labs cheaper?
Only Smart Carts lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
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 for Smart Carts, Oct 2, 2026 for F12 Labs; 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 for Smart Carts, Oct 2, 2026 for F12 Labs. 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.