Discount Engine vs Quantity Engine
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 Discount Engine, Aug 10, 2026 for Quantity Engine.
The short answer
- Discount Engine lists 4 features Quantity Engine’s listing doesn’t mention, including Cart discounts, Checkout discounts, Discount codes.
Head to head
Advance
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThis app helps merchants create three types of discounts: product volume discounts, order goal discounts, and shipping discounts. Customers can create automatic or discount-code-based offers for specific customers based on tags. They can apply discounts to specific products or collections and add multiple discount tiers with different logic.
Quantity Engine helps merchants discount quantity breaks without managing discount codes by hand. Create tier rules for products or variants, preview results in the simulator, then activate to publish an automatic discount at checkout. Merchants can also set tiers from a product page and optionally show quantity breaks on the storefront with a theme block.
- Product volume discount functionalty with many tires
- Order goal discount functionalty with many tires
- Shipping discount functionalty with many tires
- Create quantity tier rules for products or individual variants
- Preview tier results with the built-in simulator before you go live
- Activate a rule to publish an automatic discount at checkout
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 |  Discount Engine |  Quantity Engine |
|---|---|---|
| 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 | Discount Engine | Quantity Engine |
|---|---|---|
| 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 | Discount Engine | Quantity Engine |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $49.99/month | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Discount Engine | Quantity Engine |
|---|---|---|
| Shopify category rank | Not enough data | #836 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Apr 2, 2026 | Aug 10, 2026 |
| Languages | 1 | 1 |
| Developer | No One | Rekaz Digital |
FAQ
Discount Engine and Quantity Engine: common questions
- What features does each app list that the other doesn’t?
- Discount Engine lists 4 the others don’t mention, such as Cart discounts, Checkout discounts, Discount codes, Discount stacking. Quantity Engine lists 4 the others don’t mention, such as Automations, Bulk discounts, Bulk editing, Wholesale pricing. 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 Discount Engine, Aug 10, 2026 for Quantity Engine; 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 Discount Engine, Aug 10, 2026 for Quantity Engine. 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.