Domlet: Guard & Fee Rules vs SMART Checkout Upsells & Rules
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Domlet, Nov 9, 2026 for SMART Checkout Upsells & Rules.
The short answer
- On the Shopify App Store: Domlet 5.0 from 4 reviews and SMART Checkout Upsells & Rules 5.0 from 851 reviews.
- Only Domlet lists a free plan.
Head to head
- Germany
- France
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · COD Fee
- · Chat support
- · Discount/Validation Guards
- · IP/Country Block
- · No fee rule allowed
- · Payment/Shipping Guards
Starter
- · 1 fee rule allowed
- · COD Fee
- · Chat support
- · Discount/Validation Guards
- · IP/Country Block
- · Payment/Shipping Guards
Growth
- · COD Fee
- · Chat support
- · Discount/Validation Guards
- · IP/Country Block
- · Payment/Shipping Guards
- · Up to 15 guards allowed
Scale
- · COD Fee
- · Chat support
- · Discount/Validation Guards
- · IP/Country Block
- · Payment/Shipping Guards
- · Unlimited guards allowed
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureGet smart, flexible control over discounts, checkout, payments, shipping, fraud, COD surcharges, handling fees, and storefront protection. Create rules based on cart, customer, location, country, IP, products, and other conditions.
SMART Checkout Rules helps merchants control the checkout experience using flexible conditions. Validate checkout or hide, block, sort, or rename payment methods and shipping options based on rules like country, customer tag, cart value, product, or discount. Grow AOV with one-click post-purchase upsells and downsells, plus checkout blocks like banners, and discount codes.
- Block unwanted discount codes using customizable checkout rules.
- Create conditions based on products, customers, discount codes, and country.
- Display custom messages when discount codes are rejected.
- Validate and block specific checkouts
- Customize and control payment methods
- Hide, sort, and rename shipping options
- Streamline the checkout experience for customers
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 |  Domlet |  SMART Checkout Upsells & Rules |
|---|---|---|
| Detected stores | Not published | 31 |
| 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 | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | Not published | Germany, France, Australia |
Reviews
| Measure | Domlet | SMART Checkout Upsells & Rules |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 4 | 851(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | 4% |
Pricing
| Measure | Domlet | SMART Checkout Upsells & Rules |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $4.99/month | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Domlet | SMART Checkout Upsells & Rules |
|---|---|---|
| Shopify category rank | #66 | #2 |
| Shopify App Charts | Not on this week’s charts | #19 in Checkout - Other |
| Built for Shopify | No | Yes |
| Launched | Jul 21, 2026 | Sep 11, 2024 |
| Languages | 1 | 1 |
| Developer | Devdoms | SMART Upsells & Checkout |
FAQ
Domlet and SMART Checkout Upsells & Rules: common questions
- Is Domlet or SMART Checkout Upsells & Rules cheaper?
- Only Domlet lists a free plan. 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, Domlet or SMART Checkout Upsells & Rules?
- On the Shopify App Store: Domlet 5.0 from 4 reviews and SMART Checkout Upsells & Rules 5.0 from 851 reviews.
- 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 for Domlet, Nov 9, 2026 for SMART Checkout Upsells & Rules; 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 for Domlet, Nov 9, 2026 for SMART Checkout Upsells & Rules. 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.