--- title: "Carty: Add To Cart Button vs STKY ‑ Sticky Add To Cart Bar: Shopify app comparison" description: "Compare Carty: Add To Cart Button and STKY ‑ Sticky Add To Cart Bar on detected Shopify stores, App Store reviews, pricing, listed features and integrations." canonical_url: "https://shoplist.co/shopify-apps/compare/add-to-cart-button-carty-vs-sticky-add-to-cart-booster-pro" markdown_url: "https://shoplist.co/shopify-apps/compare/add-to-cart-button-carty-vs-sticky-add-to-cart-booster-pro.md" data_as_of: "Nov 11, 2026" --- # Carty: Add To Cart Button vs STKY ‑ Sticky Add To Cart Bar Shopify app comparison from Shoplist. Store counts as of Nov 11, 2026. ## At a glance - STKY is detected on 2.5× as many Shopify stores as Carty: 504 vs 204 as of Nov 11, 2026. - On the Shopify App Store: Carty 4.5 from 34 reviews and STKY 4.8 from 499 reviews. - Only STKY lists a free plan. Paid plans start at $4.99/month for Carty and $4.99/month for STKY. - STKY lists 17 features Carty’s listing doesn’t mention, including Announcements, Cart upsell, Click-through rates. ## Adoption | Measure | Carty | STKY | Ahead | | --- | --- | --- | --- | | Detected stores | 204 — as of Nov 11, 2026 | 504 — as of Nov 11, 2026 | STKY | | Net store change, 28 days | \+3 — estimated | −9 — estimated | | | Stores added, 28 days | 4 — new and returning | 4 — new and returning | | | Big-brand share | Not enough data | 16% — of stores of known size | | | Top store categories | Apparel & Accessories, Health & Beauty, Food, Beverages & Tobacco | Apparel & Accessories, Home & Garden, Health & Beauty | | | Top store countries | United States, United Kingdom, Australia | United States, United Kingdom, Australia | | ## Reviews | Measure | Carty | STKY | Ahead | | --- | --- | --- | --- | | App Store rating | 4.5 ★ | 4.8 ★ | STKY | | App Store reviews | 34 | 499 | STKY | | New reviews, 28 days | 0 | 1 | STKY | | Reviewers a year or more in | Not enough data | 26% | | ## Pricing | Measure | Carty | STKY | Ahead | | --- | --- | --- | --- | | Free plan | Not listed | Yes | | | Lowest paid monthly plan | $4.99/month | $4.99/month | | | Longest free trial | 7 days | 14 days | | | Plans listed | 1 | 4 | | ## Listing | Measure | Carty | STKY | Ahead | | --- | --- | --- | --- | | Shopify category rank | \#124 — in Cart customization | Not enough data | | | Shopify App Charts | \#19 in Cart customization | Not on this week’s charts | | | Built for Shopify | Yes | No | | | Launched | Dec 7, 2021 | Mar 10, 2016 | | | Languages | 1 — English | 1 — English | | | Developer | CleverApps | Codeinero | | ## Listed features - 28 distinct features are listed across these App Store listings; 5 are listed by both. - Carty lists 6 of them (21%). Listed only by Carty: Variants. - STKY lists 27 of them (96%). Listed only by STKY: Announcements, Cart upsell, Click-through rates, Conversion rates, Countdown timers, Custom CSS, Custom HTML, Custom rules, Discount fields, Free shipping, Frequently bought together, One-click add-ons, Optimization suggestions, Product recommendations, Promotions, Shipping bar, Sticky cart. ### Coverage by App Store category | Category | Carty | STKY | | --- | --- | --- | | Cart customization | 5/16 | 16/16 | | Cart customization › Cart display | 3/10 | 10/10 | | Cart customization › Checkout customization | 2/2 | 2/2 | | Cart customization › Upselling | 0/4 | 4/4 | | Collections | 1/1 | 0/1 | | Collections › Collection management | 1/1 | 0/1 | | Upsell and cross-sell | 0/11 | 11/11 | | Upsell and cross-sell › Analytics | 0/3 | 3/3 | | Upsell and cross-sell › Customization | 0/6 | 6/6 | | Upsell and cross-sell › Offers and recommendations | 0/2 | 2/2 | A feature missing from a listing may still be supported; this compares what each App Store listing says. ## Integrations - No platform appears in every listing. - Carty lists no integrations. - Only STKY lists: Cart Slider, Cart Upsell, Buy Button, Sticky Add to Cart, Sticky Cart. ## Pricing plans ### Carty | Plan | Price | Free trial | Additional charges | | --- | --- | --- | --- | | Pro | $4.99/month | 7-day free trial | None listed | ### STKY | Plan | Price | Free trial | Additional charges | | --- | --- | --- | --- | | FREE PLAN | Free | Not listed | None listed | | SHOPIFY BASIC | $4.99/month | 14-day free trial | None listed | | SHOPIFY GROW | $7.99/month | 14-day free trial | None listed | | SHOPIFY ADVANCED | $9.99/month | 14-day free trial | None listed | ## Frequently asked questions ### Which is more popular, Carty or STKY? STKY is detected on 2.5× as many Shopify stores as Carty: 504 vs 204 as of Nov 11, 2026. ### Is Carty or STKY cheaper? Only STKY lists 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 4.5 from 34 reviews and STKY 4.8 from 499 reviews. ### What features does each app list that the other doesn’t? Carty lists 1 the others don’t mention, such as Variants. STKY lists 17 the others don’t mention, such as Announcements, Cart upsell, Click-through rates, Conversion rates. 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. ## Links - [Carty: Add To Cart Button vs STKY ‑ Sticky Add To Cart Bar on Shoplist](https://shoplist.co/shopify-apps/compare/add-to-cart-button-carty-vs-sticky-add-to-cart-booster-pro) - [Carty: Add To Cart Button on Shoplist](https://shoplist.co/shopify-apps/add-to-cart-button-carty) ([Markdown](https://shoplist.co/shopify-apps/add-to-cart-button-carty.md)) - [STKY ‑ Sticky Add To Cart Bar on Shoplist](https://shoplist.co/shopify-apps/sticky-add-to-cart-booster-pro) ([Markdown](https://shoplist.co/shopify-apps/sticky-add-to-cart-booster-pro.md)) ## Methodology 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 for Carty and STKY are as of Nov 11, 2026. “Not detectable from storefronts” means an app leaves no storefront trace, so Shoplist can’t count its stores. A row names who is ahead only when every app has a measured, unestimated figure. See [data methodology](https://shoplist.co/data-methodology.md).