CostSync
Merchant margin engine
Net revenue
$84,920Current period- Product costs
- − $31,480
- Operating costs
- − $14,906
True profit
$38,534Margin45.4%
The Shopify operations suite
Run a more profitable Shopify business.
GrowStack is an expanding suite of focused apps for Shopify merchants. Improve profitability, simplify daily work, and run your store with confidence.
- Two focused apps today
- More focused tools planned
- Clear, practical workflows
Inside the suite · Merchant Margin EngineSignal connected
Cost ingestion
Supplier costs synced
Products + variants
Expense tracking
Every cost accounted for
Fees + shipping
Reporting
Tax-ready records
Clean cost history
Security and Trust
Built for Shopify
Exclusively for Shopify
GDPR Compliant
Data protection
256-bit Encryption
Secure data transfer
SOC 2 Ready
Enterprise security
Daily Backups
Data reliability
What We Build
GrowStack creates practical Shopify apps that solve real problems for merchants who want to grow their business without complexity.
Built for Merchants
Apps designed with real merchant pain points in mind.
Simple & Focused
No bloat, just tools that work.
Fair Pricing
Affordable plans that grow with your business.
Featured App
CostSync
COGS Made Simple
Take control of your Shopify store's cost of goods sold. CostSync makes inventory costing effortless, so you can focus on growing your business.
Bulk Cost Editor
No CSV export/import needed. Update costs directly in your browser.
Weighted Average Costing
Smart inventory valuation that adjusts automatically with each purchase.
Real-Time Profit Dashboard
See margins at a glance. Track profitability across products and orders.
Tax-Ready Reports
Export to QuickBooks or Xero. Stay compliant with zero hassle.
The suite today
Focused apps for the work behind a growing store.
CostSync tackles profitability. Vantage strengthens catalog readiness. More focused tools are planned as the suite grows.
Product economics
CostSync
Bring product costs and store performance into one clearer view, so margin decisions start with better information.
- Cost visibility
- Margin analysis
- Product-level insights
AI catalog readiness
Vantage
Audit your Shopify catalog across nine rule-based dimensions, uncover prioritized fixes, and see AI readiness at a glance.
- 0–100 readiness score
- 9 catalog dimensions
- Prioritized recommendations
Ready to Grow Your Store?
Discover how our Shopify apps can help you track costs, increase profits, and scale your business with confidence.