Checkout Upsell — Addonn vs Surcharly
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for Checkout Upsell, Oct 14, 2026 for Surcharly.
The short answer
- Only Checkout Upsell lists a free plan. Paid plans start at $39.95/month for Checkout Upsell and $15/month for Surcharly.
- Checkout Upsell lists 9 features Surcharly’s listing doesn’t mention, including Free gifts, Gift wrap, Multi-currency.
Head to head
- Ireland
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · 25 add-on orders free / month
- · Create upto 2 add-ons
- · Fixed add-on pricing
- · Live chat support
Premium
- · Auto assign tags to add-on orders
- · Create upto 5 add-ons
- · Fixed add-on pricing
- · Up to 500 add-on orders / month
Growth
- · Auto fulfill add-on line items
- · Create upto 10 add-ons
- · Priority customer support
- · Unlimited add-on orders
- · Widget customizations
Pro
- · Custom filter design & colors
- · Fast filtering on large catalogs
- · Filters by tag, variant & metafield
- · Multi-language filter support
- · Priority email support
- · Unlimited product filters
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureTurn checkout into revenue with optional service add-ons. Offer express shipping, gift services, warranties, and premium extras with one-click toggle widgets. Native Shopify Plus checkout integration means no pop-ups or redirects. You keep 100% revenue—zero commissions ever. Built for global stores with multi-currency and translation support. Create up to 10 add-ons with fixed or percentage pricing.
Surcharly lets you sell extended warranties, protection plans, or any add-on directly at checkout. Each offer appears as a selectable item showing its title, image, and price; buyers add it with one tap, always explicit and never pre-selected. Create multiple offers in the app, show them on all carts or only when specific products are present, and limit each to one per order.
- Upsell optional add-ons directly inside Shopify Checkout
- Set fixed or flexible add-on prices based on cart value
- Built-in automatic multi-currency support — no extra setup needed
- Sell extended warranties and add-ons as one-tap offers at checkout
- Buyers opt in with explicit consent, never pre-selected or auto-charged
- Show offers on all carts or only when specific products are present
- Add-ons become real line items on the order, ready for fulfillment
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 |  Checkout Upsell |  Surcharly |
|---|---|---|
| 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 | Furniture | Not published |
| Top store countries | Ireland | Not published |
Reviews
| Measure | Checkout Upsell | Surcharly |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 | Checkout Upsell | Surcharly |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $39.95/month | $15/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 3 | 1 |
Listing
| Measure | Checkout Upsell | Surcharly |
|---|---|---|
| Shopify category rank | #891 | #609(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 5, 2025 | Jul 10, 2026 |
| Languages | 1 | 1 |
| Developer | Appiers | Codefy |
FAQ
Checkout Upsell and Surcharly: common questions
- Is Checkout Upsell or Surcharly cheaper?
- Only Checkout Upsell lists a free plan. Paid plans start at $39.95/month for Checkout Upsell and $15/month for Surcharly. 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?
- Checkout Upsell lists 9 the others don’t mention, such as Free gifts, Gift wrap, Multi-currency, Multi-language. Surcharly lists 1 the others don’t mention, such as Warranties. 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 7, 2026 for Checkout Upsell, Oct 14, 2026 for Surcharly; 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 7, 2026 for Checkout Upsell, Oct 14, 2026 for Surcharly. 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.