Thunder Sliding Cart Upsell vs CROCart: Cart Drawer & Upsell

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 5, 2026 for Thunder Sliding Cart Upsell, Oct 28, 2026 for CROCart.

The short answer

  • Both list a free plan. Paid plans start at $9.99/month for Thunder Sliding Cart Upsell and $6.99/month for CROCart.
  • Thunder Sliding Cart Upsell lists 42 features CROCart’s listing doesn’t mention, including A/B testing, Additional fees, AI recommendations.

Head to head

App Store reviews

Thunder Sliding Cart Upsell: 38
CROCart: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Cart customization
  • Upsell and cross-sell
  • Upsell and cross-sell
Languages
  • English
  • English
Launched
Jul 8, 2022
Jul 23, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
15 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.

01020MayAugOctAprAugOctThunder Sliding Cart Upsell: 3 reviews in May 2025Thunder Sliding Cart Upsell: 1 reviews in July 2025Thunder Sliding Cart Upsell: 5 reviews in August 2025Thunder Sliding Cart Upsell: 4 reviews in September 2025Thunder Sliding Cart Upsell: 2 reviews in October 2025Thunder Sliding Cart Upsell: 2 reviews in November 2025Thunder Sliding Cart Upsell: 1 reviews in April 2026Thunder Sliding Cart Upsell: 1 reviews in July 2026Thunder Sliding Cart Upsell: 1 reviews in August 2026Thunder Sliding Cart Upsell: 2 reviews in September 2026Thunder Sliding Cart Upsell: 15 reviews in October 2026
Thunder Sliding Cart UpsellCROCartCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $34.99/month
From $0 to $16.99/month
Plans
FreeFree
  • · Announcement bar
  • · Custom cart design
  • · Free shipping bar
  • · Payment icons
0-200 Orders$9.99/month
14-day free trial
  • · 14 Day Trial
  • · Add-Ons/One Click Upsells
  • · Custom HTML & CSS
  • · Free Shipping Progress Bar
  • · Fully Customizable
  • · Multiple Free Gifts with Tiers
201-500 Orders$19.99/month
14-day free trial
  • · 14 Day Trial
  • · Add-Ons/One Click Upsells
  • · Custom HTML & CSS
  • · Free Shipping Progress Bar
  • · Fully Customizable
  • · Multiple Free Gifts with Tiers
501-1000 Orders$34.99/month
14-day free trial
  • · 14 Day Trial
  • · Add-Ons/One Click Upsells
  • · Custom HTML & CSS
  • · Free Shipping Progress Bar
  • · Fully Customizable
  • · Multiple Free Gifts with Tiers
FreeFree
  • · Analytics, email and WhatsApp support
  • · Automatic and manual product upsells
  • · Discount codes and offers drawer
  • · Fully customizable cart drawer
  • · Order notes and per-product notes
  • · Tiered rewards, free shipping and gifts
Grow$6.99/month
  • · Every CROCart feature included
  • · Up to 100 orders per month
Advance$16.99/month
  • · Every CROCart feature included
  • · Unlimited orders per month
Coverage
52 of 53 features98%
6 of 53 features11%
Unique strengths
  • A/B testing
  • Additional fees
  • AI recommendations
  • Announcement bar
  • +38 more
  • Tiered discounts
Cart customization
100%22/22
0%0/22
Cart display
100%12/12
0%0/12
Upselling
100%10/10
0%0/10
Upsell and cross-sell
97%30/31
19%6/31
Analytics
100%6/6
17%1/6
Customization
100%11/11
18%2/11
Offers and recommendations
93%13/14
21%3/14
4751onlybothonly
Thunder Sliding Cart UpsellCROCart53 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
  • Checkout
—
How it sells itself

Thunder grows your average order value with upsells, gifts and bundles picked by AI that learns from your own sales data. Add a cart drawer with a rewards bar, free gifts and one-click upsells, and product page bundles, quantity breaks and mix and match. One discount engine keeps offers from clashing. Track every offer from impression to revenue, A/B test changes and set different offers per market.

CROCart replaces your theme cart with a fast, fully customizable slide cart drawer built to raise average order value. Add tiered rewards (free shipping, free gifts, discounts), related and manual upsells, a discount code box, order notes, payment trust badges and a custom empty-cart. Design it visually, publish when ready, and track results.

Key points
  • Offer bulk discounts and see your customers spend more. Boost sales effortlessly
  • Unlock free gifts with orders over a set amount or specific products added!
  • Dynamic progress bar tracks free shipping and gift goals in real time
  • Fully customizable fonts, colors, texts, sticky checkout, multilanguage.
  • Customize drawer colors, fonts, and borders to perfectly match your brand.
  • Add progress bars to display goals like shipping incentives or gift tiers.
  • Show targeted product upsells and a discount code box directly in the cart.
Screenshots
CRO Cart Upsells and Free Gift Cart Customizer
Get the perfect insight into your cart.Make your cart lightning fast100% Customizable
CROCart Editor
CROCart DashboardCROCart Support page

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

MeasureThunder Sliding Cart UpsellCROCart
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

MeasureThunder Sliding Cart UpsellCROCart
App Store rating5.0 ★Not published
App Store reviews38Not published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more in4%Not enough data

Pricing

MeasureThunder Sliding Cart UpsellCROCart
Free planYesYes
Lowest paid monthly plan$9.99/month$6.99/month(ahead)
Longest free trial14 daysNot listed
Plans listed43

Listing

MeasureThunder Sliding Cart UpsellCROCart
Shopify category rank#105(ahead)in Upsell and cross-sell#969in Upsell and cross-sell
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedJul 8, 2022Jul 23, 2026
Languages1English1English
DeveloperEnigma AppsPRP Webs

FAQ

Thunder Sliding Cart Upsell and CROCart: common questions

Is Thunder Sliding Cart Upsell or CROCart cheaper?
Both list a free plan. Paid plans start at $9.99/month for Thunder Sliding Cart Upsell and $6.99/month for CROCart. 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?
Thunder Sliding Cart Upsell lists 42 the others don’t mention, such as A/B testing, Additional fees, AI recommendations, Announcement bar. CROCart lists 1 the others don’t mention, such as Tiered discounts. 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 5, 2026 for Thunder Sliding Cart Upsell, Oct 28, 2026 for CROCart; 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 5, 2026 for Thunder Sliding Cart Upsell, Oct 28, 2026 for CROCart. 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.