Amplify | Power Slide Cart vs Cartwell: Upsell Cart Drawer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Amplify, Oct 13, 2026 for Cartwell.
The short answer
- Paid plans start at $29.50/month for Amplify and $4.95/month for Cartwell.
- Amplify lists 26 features Cartwell’s listing doesn’t mention, including AI recommendations, Announcement bar, Announcements.
Head to head
- Italy
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Pay as You Grow
- · All Features
- · CSS Customization
- · Deep Analytics
- · Live Chat Support
- · Progress Bar
- · Rewards & Gifts
Starter
- · 7-day analytics
- · Custom Cart Drawer (Slide-Out)
- · Customizable texts
- · Free Shipping Bar (1 threshold)
Growth
- · 20 Google Fonts selectable
- · 8 fully customizable colors
- · 90-day analytics
- · Cart notes + gift wrapping
- · Drawer width & animation configurable
- · Everything in Starter, plus:
Premium
- · 365-day analytics + CSV export
- · Admin language settings
- · Custom CSS
- · Custom HTML
- · Discount code input in drawer
- · Everything in Growth, plus:
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureLeverage a slide cart drawer, equipped with a powerful tiered rewards progress bar and post-purchase upsell scenarios. Encourage customers to add more products and receive rewards like free shipping, free gifts, and discounts. Tailor product recommendations with smart cart upsell rules to maximize every opportunity to optimize your AOV.
Cartwell replaces the default cart with a fast slide-out drawer, so shoppers stay on the page instead of leaving for a separate cart screen. A free-shipping bar shows how close customers are to a reward, with separate thresholds per country. Upsell rules suggest relevant products at the right moment, and gift rewards add a free item automatically when a cart qualifies.
- Slide Cart: Cart with tiered rewards - free shipping, free gift, and discounts
- Cart Upsell: Recommended products in-cart based on AI or custom rules
- Post Purchase Upsell: optimize AOV with one click upsell offers in post-checkout
- Advanced Cart Features: Shipping protection upsell, custom HTML, custom widgets
- Slide-out cart drawer that opens on any page without a full reload
- Free-shipping progress bar with separate thresholds for each country
- Upsell and cross-sell offers shown in the cart based on your own rules
- Automatic free-gift rewards added to the cart when it reaches a goal
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 |  Amplify |  Cartwell |
|---|---|---|
| Detected stores | 1 | 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 | Baby & Toddler | Not published |
| Top store countries | Italy | Not published |
Reviews
| Measure | Amplify | Cartwell |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 16 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Amplify and Cartwell: common questions
- Is Amplify or Cartwell cheaper?
- Paid plans start at $29.50/month for Amplify and $4.95/month for Cartwell. 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?
- Amplify lists 26 the others don’t mention, such as AI recommendations, Announcement bar, Announcements, Automatic discounts. Cartwell lists 4 the others don’t mention, such as Click-through rates, Conversion rates, Funnel performance, Gift wrap. 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 9, 2026 for Amplify, Oct 13, 2026 for Cartwell; 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 9, 2026 for Amplify, Oct 13, 2026 for Cartwell. 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.