---
title: "Arcanum Margin Keep Shopify App Profile"
description: "Margin Keep is campaign insurance for promotions. Scan discount codes and sale prices against your profit floor after costs and fees—with known, estimated, or missing cost labels. Safety Studio lets you try a discount or sale price before go-live and see safer options. The decision ledger shows which orders to watch. Protect adds peak-sale floors, Slack/Teams alerts, and Admin pause. Optional Block stops checkout only when costs are trustworthy; incomplete costs never block a sale."
canonical_url: "https://shoplist.co/shopify-apps/arcanum-margin-keep"
markdown_url: "https://shoplist.co/shopify-apps/arcanum-margin-keep.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "arcanum-margin-keep"
source: "public Shopify app profile allowlist"
---

# Arcanum Margin Keep Shopify App Profile

> Margin Keep is campaign insurance for promotions. Scan discount codes and sale prices against your profit floor after costs and fees—with known, estimated, or missing cost labels. Safety Studio lets you try a discount or sale price before go-live and see safer options. The decision ledger shows which orders to watch. Protect adds peak-sale floors, Slack/Teams alerts, and Admin pause. Optional Block stops checkout only when costs are trustworthy; incomplete costs never block a sale.

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

## Key facts
- Name: Arcanum Margin Keep
- Monitoring status: First-adopter watch
- Developer: Arcanum Hollows
- Developer profile: https://shoplist.co/app-developers/arcanum-hollows
- Shopify App Store URL: https://apps.shopify.com/margin-keep
- Website: https://www.arcanumhollow.com/en/shops
- Launch date: September 14, 2026
- Shoplist category: Marketing Automation
- Free trial signal: Yes

## Pricing summary
Monitor: $29/month; Protect: $79/month; Scale: $149/month

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.


## App Signals
As of October 31, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated)
- Primary App Store category: Pricing optimization
- Listing reviews: 0

## Public callouts
- Scan discount codes and sale prices against your profit floor after costs.
- Test a promo in Safety Studio and see safer discount options before go-live.
- See known, estimated, or missing costs on every margin check.
- Peak-sale floors, loss budgets, and Slack or Teams alerts on Protect.
- Optional checkout Block that never stops carts when costs are incomplete.
## Shopify App Store categories
- Pricing optimization
- Discounts

## Data note
Profile updated: October 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-31 16:31:45.654844\+00
Detection metrics refreshed: 2026-10-31 10:00:00.349143\+00
Public app evidence date: 2026-10-13 11:02:44.818374\+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/arcanum-margin-keep)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)