Carty: Cart Upsell Cart Drawer vs STKY ‑ Sticky Add To Cart Bar
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 11, 2026.
The short answer
- STKY is detected on 3.7× as many Shopify stores as Carty: 504 vs 138 as of Nov 11, 2026.
- On the Shopify App Store: Carty 5.0 from 62 reviews and STKY 4.8 from 499 reviews.
- Both list a free plan. Paid plans start at $4.99/month for Carty and $4.99/month for STKY.
- Carty lists 30 features STKY’s listing doesn’t mention, including Additional fees, AI recommendations, Announcement bar.
Head to head
- United States
- United Kingdom
- Australia
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free Plan
- · Sticky Add To Cart Bar
- · Sticky Cart Button
- · Unlimited User
- · Unlimted Configuration
Starter Basic
- · Cart Reminder Tab & Notify
- · Custom Code & Theme Integration
- · For Shopify Basic:
- · Quick Buy Now
- · Slide & Pop-up Cart Drawer
- · Sticky Add to Cart Bar & Sticky Cart
Starter Pro
- · Cart Reminder Tab & Notify
- · Custom Code & Theme Integration
- · For Professional, Unlimited & Plus:
- · Quick Buy Now
- · Slide & Pop-up Cart Drawer
- · Sticky Add to Cart Bar & Sticky Cart
Growth
- · AI-Upsell Cart Recommendations
- · All Starter Features +
- · Countdown Deals & Discounts
- · Free Gift on Purchase & Gift Wrap
- · In Cart Rewards Milestones &Subscription
- · Real time Analytics & User Activity
FREE PLAN
- · "Powered by STKY Add To Cart" branding
- · Test All 10+ App Features
- · Up to 25 Add-To-Cart Clicks per Month
SHOPIFY BASIC
- · Countdown timer urgency bar
- · Floating sticky cart icons
- · Free app tech support - all themes
- · Quick view, quick buy, & buy now buttons
- · Slider cart drawer w/ in cart upsell
- · Sticky add to cart bar
SHOPIFY GROW
- · Countdown timer urgency bar
- · Floating sticky cart icons
- · Free app tech support - all themes
- · Quick view, quick buy, & buy now buttons
- · Slider cart drawer w/ in cart upsell
- · Sticky add to cart bar
SHOPIFY ADVANCED
- · Countdown timer urgency bar
- · Floating sticky cart icons
- · Free app tech support - all themes
- · Quick view, quick buy, & buy now buttons
- · Slider cart drawer w/ in cart upsell
- · Sticky add to cart bar
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCartylabs Upsell In-Cart supercharges store sales and engagement!. Turn every add-to-cart into revenue with AI-powered Upsell Recommendations, Subscribe & Save, Rewards & Shipping Bars, and Countdown deal. Entice shoppers with Gift Offers, Promo codes, Auto discounts, and more. Build trust with Shipping Estimates and and Ship Protection. Skyrocket Sales with Sticky Add-to-Cart & Quick Buy Now.
Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV.
- AI Cart offers Upsell, Progress bar, Countdown, Recommendation, Gift offers, etc
- Amplifies Sales & Average Order Value with Buy Now and Sticky Add to Cart button
- Reduce abandoned cart with Upsell offers, Sticky Cart Button & Cart Reminder Tab
- Increase store conversion with Promotions Code, Gift wrap, Ship Protection,& etc
- Sticky Add To Cart Bar & Sticky Cart features - faster, easier checkout
- StickyCart Icons & Add To Cart Bar - always in view for quick checkout
- Quick Buy Button & Buy Now Button - help shoppers complete purchase quickly
- Upsell and cross-sell products - using the Ajax Slider Cart Drawer
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 |  Carty |  STKY |
|---|---|---|
| Detected stores | 138 | 504(ahead) |
| Net store change, 28 days | +2 | −9 |
| Stores added, 28 days | 3 | 4(ahead) |
| Big-brand share | Not enough data | 16% |
| Top store categories | Health & Beauty, Apparel & Accessories, Home & Garden | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | United States, United Kingdom, Australia | United States, United Kingdom, Australia |
Reviews
| Measure | Carty | STKY |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.8 ★ |
| App Store reviews | 62 | 499(ahead) |
| New reviews, 28 days | 1 | 1 |
| Reviewers a year or more in | Not enough data | 26% |
FAQ
Carty and STKY: common questions
- Which is more popular, Carty or STKY?
- STKY is detected on 3.7× as many Shopify stores as Carty: 504 vs 138 as of Nov 11, 2026.
- Is Carty or STKY cheaper?
- Both list a free plan. Paid plans start at $4.99/month for Carty and $4.99/month for STKY. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Carty or STKY?
- On the Shopify App Store: Carty 5.0 from 62 reviews and STKY 4.8 from 499 reviews.
- What features does each app list that the other doesn’t?
- Carty lists 30 the others don’t mention, such as Additional fees, AI recommendations, Announcement bar, Automatic discounts. STKY lists 1 the others don’t mention, such as Optimization suggestions. 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 11, 2026; estimated figures are labeled.
Keep comparing
More matchups
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 11, 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.