---
title: "MarginLock Shopify App Profile"
description: "Aggressive discounts and bundles can quietly sell products below cost. MarginLock is the guardrail: set a minimum margin, and any cart that would fall below it is stopped at checkout, before the money is lost. It checks each variant's margin in real time with a native checkout-validation Function. Choose block or monitor-only mode, and decide how to treat items with no cost data. A per-variant table shows cost and a live margin on every line. No theme code."
canonical_url: "https://shoplist.co/shopify-apps/marginlock"
markdown_url: "https://shoplist.co/shopify-apps/marginlock.md"
last_updated: "2026-07-16"
entity_type: "shopify_app"
slug: "marginlock"
source: "public Shopify app profile allowlist"
---

# MarginLock Shopify App Profile

> Aggressive discounts and bundles can quietly sell products below cost. MarginLock is the guardrail: set a minimum margin, and any cart that would fall below it is stopped at checkout, before the money is lost. It checks each variant's margin in real time with a native checkout-validation Function. Choose block or monitor-only mode, and decide how to treat items with no cost data. A per-variant table shows cost and a live margin on every line. No theme code.

## Quick answer
MarginLock has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: MarginLock
- Monitoring status: First-adopter watch
- Developer: MerchTools
- Developer profile: https://shoplist.co/app-developers/merchkit8
- Shopify App Store URL: https://apps.shopify.com/marginlock-1
- Launch date: July 15, 2026
- Shoplist category: Orders - Other
- Free trial signal: Yes

## Pricing summary
Pro: 14.99

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Minimum-margin floor enforced at checkout by a native function
- Blocks unprofitable carts with a clear message — or monitor-only mode
- Per-variant table of cost and live margin on every line
## Shopify App Store categories
- Orders - Other

## Data note
Profile updated: July 16, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-09-14 10:54:40.225378\+00
Detection metrics refreshed: 2026-10-18 05:10:00.093049\+00
Public app evidence date: 2026-07-16 04:02:28.032385\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/marginlock)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)