Promotions that protect margin
Run catalog-wide sales with clear controls—so growth doesn’t quietly erase profit.
Shopify apps · Finance intelligence
Know your numbers. Grow with confidence.
GLMK Services LLC is building a suite of Shopify tools that help store owners see profitability clearly—what to stock, when to stock, how to price, and which promotions actually pay off.
Catalog Sale on Shopify
Finance-first product vision
Real support at support@glmkapps.com
A platform for merchant profitability
Promotions are only one lever. We’re building apps that connect pricing, inventory, and performance—so decisions are guided by data, not guesswork.
Profitability by product & period
Monthly, yearly, and product-wise views planned—so you know what truly contributes to the bottom line.
Stock, price, and market signals
Guidance on what to stock, when to stock, pricing moves, and market watch—apps designed for operators who think in numbers.
Apps
Catalog Sale is available as GLMK Catalog Sale on the Shopify App Store. More finance and operations apps are on the roadmap.
Catalog Sale
Whole-catalog promotions without the busywork
Launch a sitewide percentage sale in minutes. Catalog Sale creates an automatic Shopify discount for your entire catalog—no adding products one by one.
Free is generous on purpose—enough for real promotions, not just a demo. Upgrade to Growth, Pro, or Scale in the app when you outgrow Free—all through Shopify Billing, no email required.
Free
1 active sale · 500 orders / month
$0
Growth
10 campaigns · 2,500 orders / month
$12/mo
Pro
50 campaigns · 10,000 orders / month
$39/mo
Scale
100 campaigns · 50,000 orders / month
$199/mo
All paid plans subscribe and change in the app via Shopify Billing.
Roadmap — finance apps for shop owners
Our ambition is a growing suite of apps that guide merchants on profitability, inventory, pricing, and market awareness.
Catalog Sale
Sitewide promotions and campaign controls on the Shopify App Store (listed as GLMK Catalog Sale).
Profit Pulse
Monthly, yearly, and product-wise profitability so you see what actually makes money.
Stock Sense
What to stock and when—inventory guidance tied to demand and margin.
Price Compass
Pricing recommendations informed by performance and competitive context.
Market Watch
Signals and summaries that help you react to market movement without drowning in noise.
More finance apps
Ongoing releases focused on clarity, control, and confident decisions for growing stores.
“Merchants deserve tools that speak the language of profit—not just traffic and vanity metrics.”
Built at the intersection of finance and technology
GLMK Services LLC is guided by Chartered Accountants and technologists—people who care about both the numbers and the systems behind them. That blend of financial discipline and decades of large-scale software experience shapes how we design every product.
You get rigorous thinking about profit, practical software that ships, and support that treats your store like a real business—not a ticket queue.
Email support@glmkapps.com — a real person reads every message.
Install Catalog Sale on Shopify
Install GLMK Catalog Sale from the Shopify App Store. Paid plans bill through Shopify Billing only. Need help? Email us with your store domain.