Ecommerce Platform Cost Index 2026
Compare Shopify, WooCommerce, BigCommerce, Wix, and Squarespace by monthly platform cost, app overhead, payment fees, maintenance burden, and hidden costs.
Tools and calculators
Tools
Fast calculators, checklists, and utilities built to help you make the next decision without opening a spreadsheet.
Useful tools
Calculators and resources
Platform Total Monthly Cost Calculator
Estimate ecommerce platform cost from subscription, app, and payment overhead.
AOV Uplift Calculator
Estimate monthly revenue lift from raising average order value across your current order volume.
Fulfillment Cost Per Order Calculator
Estimate fulfillment cost per ecommerce order from pick-pack fees, packaging, shipping, return handling, and monthly warehouse overhead.
Shopify vs WooCommerce Total Cost Calculator
Compare Shopify and WooCommerce monthly cost with platform fees, hosting, apps, maintenance, and payment processing before choosing a store stack.
Ecommerce Platform Total Cost Comparison Calculator
Compare the real monthly cost of two ecommerce platforms by adding subscriptions, apps, maintenance, and payment fees before you choose a store builder.
Return Cost Impact Calculator
Calculate how much product returns cost after refund loss, reverse shipping, processing time, damaged inventory, and return rate.
Marketplace Fee Comparison Calculator
Compare marketplace fees, payment fees, subscription costs, and app costs before choosing an ecommerce platform.
Shopify Accounting App vs Profit Calculator Break-Even Calculator
Compare accounting app costs, bookkeeping labor, manual spreadsheet time, and estimated profit leakage before deciding whether a dedicated profit calculator app pays for itself.
Shopify Bookkeeping Stack Profit Leak Estimator
Estimate the monthly profit visibility gap created by missed fees, COGS errors, ad spend gaps, manual reconciliation time, and bookkeeping stack costs.
Ecommerce Platform Fee Comparison Calculator
Use this platform fee comparison calculator to estimate software and payment-cost differences across ecommerce stacks, then validate which option leaves more real profit.
Shopify Ad Spend & ROAS Profitability Planner
Use this ROAS profitability planner to estimate break-even ad efficiency, then validate whether Shopify paid traffic still leaves enough real store profit after fees and COGS.
Shopify Returns & Refund Impact Calculator
Estimate how Shopify returns, refund rate, reverse shipping, and lost margin reduce monthly profit before policy problems hide inside top-line revenue.
Bundle Margin Calculator
Use this bundle margin calculator to estimate whether a product bundle improves contribution margin, then verify the offer against shipping, ad spend, and real store profit.
Promotion Margin Calculator
Use this promotion margin calculator to estimate how discounts affect gross margin, then compare shipping, ad spend, and real store profit before you launch the offer.
Break-Even ROAS Calculator
Estimate break-even ROAS from price, product cost, shipping, and ad cost so you know the minimum return your store needs.
Discount Margin Impact Calculator
Helps users calculate discount margin impact from their own inputs using simple arithmetic.
Ecommerce Platform Selector
Pick the right ecommerce platform based on budget, technical skill, catalog size, business model, and selling channels.
Inventory Reorder Calculator
Calculate when to reorder inventory using daily sales, supplier lead time, safety stock, and current units on hand.
Inventory Reorder Point Calculator
Helps users calculate inventory reorder point from their own inputs using simple arithmetic.
Payment Fee Drag Calculator
Helps users calculate payment fee drag from their own inputs using simple arithmetic.
Profit Leak Estimator
Helps users calculate profit leak from their own inputs using simple arithmetic.
Shipping Cost Per Order Calculator
Helps users calculate shipping cost per order from their own inputs using simple arithmetic.
Shopify Bookkeeping App Cost vs Profit Leak Calculator
Helps Shopify merchants compare the true monthly cost of bookkeeping and accounting apps against the profit visibility they may be losing from manual spreadsheets, delayed COGS tracking, refund blind spots, ad spend gaps, and inaccurate margin reporting.
Shopify Net Profit COGS Estimator
Calculate Shopify net profit after COGS, fulfillment, ad spend, payment fees, and app costs.
Shopify Profit Calculator App ROI Estimator
Calculate whether a Shopify profit calculator app pays for itself through recovered margin or avoided losses.
Subscription App Cost Calculator
Helps users calculate subscription app cost from their own inputs using simple arithmetic.