SDB ‑ On Sale Discount Blocker vs Structa Discount Blocker
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for SDB, Oct 17, 2026 for Structa Discount Blocker.
The short answer
- Only Structa Discount Blocker lists a free plan. Paid plans start at $4.99/month for SDB and $9/month for Structa Discount Blocker.
- SDB lists 5 features Structa Discount Blocker’s listing doesn’t mention, including Cart discounts, Checkout discounts, Custom discounts.
Head to head
Basic
- · All features available
- · Block all discount codes for sale items
- · Discount dashboard
- · Discount scheduling and management
Free
- · Core blocking features
- · Create 1 active rule
Pro
- · Priority support
- · Unlimited rules
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSDB prevents customers from using discount codes on products that are already on sale, ensuring your promotions do not stack unintentionally and lower your margins. Using Shopify’s compare-at pricing, it automatically blocks coupon codes or automatic discounts when items are already discounted, helping you run controlled, more profitable promotions.
Structa gives you precise control over Shopify discount codes. Set rules to block double discounts on sale items, require minimum spend on full-price products, exclude specific products or brands, or restrict codes by region.
- Stop customers from using discount codes on already discounted products
- Quick and easy set-up, protect your margins almost instantly
- Easy management dashboard for your custom discounts
- Block codes on sale items or create sale-only discounts to control margin impact
- Set cart minimums on full-price items only - prevent threshold gaming with sales
- Geographic restrictions by country - segment regional campaigns
- Show customers clear messages explaining why codes don't apply, reduce confusion
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 |  SDB |  Structa Discount Blocker |
|---|---|---|
| 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 | SDB | Structa Discount Blocker |
|---|---|---|
| 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 | SDB | Structa Discount Blocker |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $4.99/month(ahead) | $9/month |
| Longest free trial | 7 days | 3 days |
| Plans listed | 1 | 2 |
Listing
| Measure | SDB | Structa Discount Blocker |
|---|---|---|
| Shopify category rank | Not enough data | #277 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 27, 2026 | May 4, 2026 |
| Languages | 1 | 1 |
| Developer | North Stack | taksh.codes |
FAQ
SDB and Structa Discount Blocker: common questions
- Is SDB or Structa Discount Blocker cheaper?
- Only Structa Discount Blocker lists a free plan. Paid plans start at $4.99/month for SDB and $9/month for Structa Discount Blocker. 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?
- SDB lists 5 the others don’t mention, such as Cart discounts, Checkout discounts, Custom discounts, Discount codes. Structa Discount Blocker lists 2 the others don’t mention, such as Geolocation, Tagging. 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 14, 2026 for SDB, Oct 17, 2026 for Structa Discount Blocker; 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 14, 2026 for SDB, Oct 17, 2026 for Structa Discount Blocker. 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.