Cart Marshal vs DiscountOS ‑ Market Discount
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for Cart Marshal, Nov 7, 2026 for DiscountOS.
The short answer
- On the Shopify App Store: Cart Marshal 5.0 from 1 reviews and DiscountOS 5.0 from 69 reviews.
- Only Cart Marshal lists a free plan. Paid plans start at $9/month for Cart Marshal and $14.90/month for DiscountOS.
- Cart Marshal lists 19 features DiscountOS’s listing doesn’t mention, including Bulk discounts, Bulk editing, Cross-sell discounts.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 published rule, unlimited products
- · Block PO boxes, ZIPs & product combos
- · Checkout scan & drift detection
- · Free gifts, BOGO & tiered discounts
- · Free shipping, order & product discounts
- · Hide, rename & reorder payments
Core
- · Combine discounts & restrictions
- · Email support
- · Everything in Free
- · Pair a gift offer with free shipping.
- · Run payment & delivery rules together
- · Run up to 5 rules at once
Growth
- · Daily, weekly & monthly schedules
- · Email support
- · Everything in Core
- · Rule history: who changed what & when
- · Run up to 25 rules at once
Pro
- · Audit dashboard across all your rules
- · CSV export of all audit logs
- · Everything in Growth
- · No Cart Marshal rule limit
- · Priority support
- · Scripts analyzer for Plus stores
Pro
- · Customer, market & segment targeting
- · Discount Badge , price drop & promotions
- · Every discount type, no order caps
- · One price, every feature included
- · Test mode: try discounts before launch
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCreate discounts, automatically add free gifts, control payment and shipping options, and enforce checkout restrictions from one app. Target rules by product, customer, B2B status, location, cart conditions, and more. Apply shipping discounts and rate caps to live carrier-calculated rates by matching their title text or rate code.
DiscountOS lets you run different discounts for different markets from one place. Set up product, order, bundle, BOGO, tiered, volume, and shipping discounts that change based on Shopify Markets regions. Build precise targeting with AND/OR logic using customer tags, B2B status, login state, or purchase history. Create both automatic discount and discount codes that stack at checkout.
- Scan for unknown discounts, apps & Shopify Functions affecting checkout.
- Free shipping, BOGO, tiered, and gift-with-purchase discounts.
- Target by tag, customer, country, or collection, and exclude sale items.
- Hide, reorder, and rename payment methods and ship options.
- Run product, order, bundle, BOGO, tiered, and shipping discounts from one app
- Target customers by tags, B2B, login state, or purchase history and Markets
- Build complex rules using AND/OR conditions for precise discount targeting
- Prevent discount abuse with usage limits, caps, and scheduling controls
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 |  Cart Marshal |  DiscountOS |
|---|---|---|
| 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 | Cart Marshal | DiscountOS |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 69(ahead) |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Cart Marshal | DiscountOS |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9/month(ahead) | $14.90/month |
| Longest free trial | 14 days | 7 days |
| Plans listed | 4 | 1 |
Listing
| Measure | Cart Marshal | DiscountOS |
|---|---|---|
| Shopify category rank | #225 | #25(ahead) |
| Shopify App Charts | Not on this week’s charts | #11 on Rookies in Discounts |
| Built for Shopify | No | Yes |
| Launched | Jul 17, 2026 | Feb 24, 2026 |
| Languages | 1 | 1 |
| Developer | Five Acre Code | DiscountOS |
FAQ
Cart Marshal and DiscountOS: common questions
- Is Cart Marshal or DiscountOS cheaper?
- Only Cart Marshal lists a free plan. Paid plans start at $9/month for Cart Marshal and $14.90/month for DiscountOS. 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, Cart Marshal or DiscountOS?
- On the Shopify App Store: Cart Marshal 5.0 from 1 reviews and DiscountOS 5.0 from 69 reviews.
- What features does each app list that the other doesn’t?
- Cart Marshal lists 19 the others don’t mention, such as Bulk discounts, Bulk editing, Cross-sell discounts, Dynamic pricing. DiscountOS lists 3 the others don’t mention, such as Custom code, Editor tool, Fixed 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 Nov 3, 2026 for Cart Marshal, Nov 7, 2026 for DiscountOS; 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 3, 2026 for Cart Marshal, Nov 7, 2026 for DiscountOS. 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.