K:Sticky Add to Cart+Buy Buton vs RapidCart
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
- Only RapidCart lists a free plan. Paid plans start at $1/month for K:Sticky Add to Cart+Buy Buton and $2.99/month for RapidCart.
- K:Sticky Add to Cart+Buy Buton lists 2 features RapidCart’s listing doesn’t mention, including Skip to checkout, Sticky cart.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Bar Appearance After % of Scrolling Page
- · Countdown Timer to Add Urgency
- · Knowledgeable Support
- · Mobile Optimized
- · Pre-made Templates
- · Redirect to Checkout or Cart
Growth
- · Bar Appearance After % of Scrolling Page
- · Countdown Timer to Add Urgency
- · Knowledgeable Support
- · Mobile Optimized
- · Pre-made Templates
- · Redirect to Checkout or Cart
Starter(Free)
- · 200 clicks/month across all features
- · Fully Automatic 1-Click Install
- · Fully Mobile and Desktop Responsive
- · Quick Buy Button
- · Standard email support
- · Sticky Add to Cart Bar
Growth
- · 2,000 clicks/month
- · Analytics dashboard
- · Custom colors, layout & animations
- · Everything in Starter
- · Fully Automatic 1-Click Install
- · Priority email support
Power
- · Countdown timers for urgency
- · Custom CSS capabilities
- · Everything in Growth plan
- · Paid customization available
- · Premium priority support (live chat)
- · Unlimited clicks
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureWith quick add functionality and a sticky add-to-cart button, customers can easily stick add-to-cart items. This ultimate solution features a sticky ATC bar, ensuring your add to cart button is always visible. Keep your customers engaged with our ultimate sticky solution featuring a sticky button, sticky buy, sticky header, and sticky buy button.
Enhance functionality and boosts sales by adding essential sales features. Reduces the steps required for customers to make a purchase, leading to faster transactions and increased conversion rates. Streamlining the purchasing process and increasing conversion rates. Adds sticky add to cart and checkout bars, enhancing user experience & reducing cart abandonment.
- Highlight your buy button to draw attention and encourage purchases.
- Never lose a sale opportunity with our sticky add-to-cart feature.
- A variety of pre-made templates are available, requiring no coding to save time.
- It works seamlessly on both desktop and mobile devices.
- Sticky Add to Cart Bar: A floating bar on product page to quickly add to cart
- Sticky Cart: Cart remains visible for shopper to view & edit items in cart
- Quick Buy Button: Floating Buy Now button on Product Image in Catalog Page.
- Sticky Checkout Bar: Floating Bar for faster checkout & reduce abandoned 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.
Adoption
| Measure |  K:Sticky Add to Cart+Buy Buton |  RapidCart |
|---|---|---|
| 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 | K:Sticky Add to Cart+Buy Buton | RapidCart |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 5 | 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 | K:Sticky Add to Cart+Buy Buton | RapidCart |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $1/month(ahead) | $2.99/month |
| Longest free trial | 7 days | 14 days |
| Plans listed | 2 | 3 |
Listing
| Measure | K:Sticky Add to Cart+Buy Buton | RapidCart |
|---|---|---|
| Shopify category rank | #245(ahead) | #403 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 4, 2024 | Mar 20, 2024 |
| Languages | 1 | 1 |
| Developer | Kaktus | Techno Softwares |
FAQ
K:Sticky Add to Cart+Buy Buton and RapidCart: common questions
- Is K:Sticky Add to Cart+Buy Buton or RapidCart cheaper?
- Only RapidCart lists a free plan. Paid plans start at $1/month for K:Sticky Add to Cart+Buy Buton and $2.99/month for RapidCart. 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?
- K:Sticky Add to Cart+Buy Buton lists 2 the others don’t mention, such as Skip to checkout, Sticky cart. 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.