Free Shopify
Tools & Calculators
Six free automation tools that replace paid apps — plus 15 free diagnostic calculators. Run the numbers first, then deploy the fix. Everything costs $0, forever.
No credit card · No monthly fees · Live in 5 minutes
The Complete $0 Stack.
Six free tools. Every major Shopify pain point covered. Deploy one or all six — each costs $0 and takes under 6 minutes.
Stocky is shutting down August 31, 2026. Stocky Swap is the free replacement — real-time inventory visibility in Google Sheets, no monthly fees, no code, no paid apps. 200,000+ merchants need a replacement. This is it.
Setup in 5 min · Free forever
Recover up to 40% of lost Shopify conversion data caused by iOS privacy updates and ad blockers. Free server-side tracking via Make.com — replacing paid tools like Triple Whale, Elevar, and Northbeam.
Stop "Service invoked too many times" errors killing your document workflows. Move from shared Google Apps Script limits to a private API lane — 10,000+ rows per day, zero failures.
Enter any Shopify store domain. Get a full breakdown of active apps, estimated monthly costs, and free replacements — in 30 seconds. Scan your store or a competitor's.
Enter your monthly app spend across marketing, inventory, and analytics. Get your efficiency score, annual waste figure, and potential savings — then replace the apps causing the drain.
The complete guide to building the $0 automation stack from scratch. Covers every tool, every step, every integration — server-side tracking, inventory, email, workflows, and reporting.
Free Shopify
Calculators & Diagnostics.
Before you deploy — or if you're auditing a decision — these free calculators give you the exact numbers. No email required. No signup. Instant results.
Not sure which tool to deploy first? Run a diagnostic before you build. 15 free calculators covering Meta EMQ scoring, attribution gap analysis, Shopify plan break-even, Klaviyo migration savings, P&L leak detection, TikTok vs Meta ROAS, shipping margin, GA4 reconciliation, and more. Every tool gives you a number — so you know exactly what to fix and in what order.
Estimate your Meta Conversions API Event Match Quality score before you build. See exactly how much ad spend you're losing to a low EMQ and what fixing it recovers in ROAS.
Shopify shows one number. Meta shows another. GA4 shows a third. This calculator tells you which platform to trust, why the numbers differ, and what to fix first.
Enter your list size and sending frequency. Get your exact annual saving and estimated migration time before committing to a switch from Klaviyo to a free alternative.
Stocky shuts down August 31 2026. Score your migration risk based on SKU count, supplier complexity, and reorder frequency. Get a personalised replacement plan.
Enter your revenue, COGS, ad spend, and app fees. Get a breakdown showing exactly where your profit is leaking — and what to fix first.
TikTok and Meta use different attribution windows, making direct ROAS comparison misleading. This calculator normalises both platforms to a true comparison and shows where to shift budget.
Calculate the exact annual cost difference between Make.com and Zapier for your automation volume. See your monthly saving from switching platforms.
Select every app you currently pay for. Get your total monthly app bill, which apps can be replaced free, and your personalised kill list with setup links.
Calculate the exact revenue threshold at which upgrading your Shopify plan saves money through lower transaction fees. All plans covered.
Calculate the GMV at which Shopify Plus pays for itself through transaction fee savings. See your net monthly saving at current revenue.
Calculate your true blended shipping cost per order after factoring in free shipping rates, carrier costs, and packaging. Optimise your threshold.
Calculate your exact GA4 data loss rate and understand whether the gap signals a real tracking problem or normal attribution differences.
Calculate expected revenue, cost per acquisition, and ROI from your influencer gifting programme before committing budget.
12-point audit of how ready your store is for Google AI Overviews, ChatGPT shopping, and agentic commerce. Identifies exact gaps in structured data and content.
Calculate time and money saved by automating document generation vs manual work. See whether Google Workspace is worth upgrading for your volume.
Paid Apps vs.
The $0 Stack.
Most Shopify stores pay $500–$2,500/month for tools they could replace for free. Here's the breakdown.
Average store saves $1,428–$6,696/year switching to the free stack
Start The Free Stack →The Entire Stack.
Live In 15 Minutes.
One platform powers every tool. Three steps to replace your entire paid app stack.
Use the free calculators above to find your biggest profit leaks — EMQ score, attribution gap, P&L breakdown — before you build anything. Takes 5 minutes. Tells you exactly where to start.
Open P&L Leak Finder →Make.com is the automation engine behind every Stack Architect deployment tool. The free plan handles all of them — no credit card, no upgrade required.
Create Free Account →Pick the tools above — each has a step-by-step guide. Connect your Shopify store once. Inventory tracking, conversion tracking, and document workflows all activate simultaneously.
Full Setup Guide →Everything You Need To Know About
Free Shopify Automation.
Stack Architect's free tools cover the four most expensive Shopify app categories: inventory management (Stocky Swap), server-side ad tracking (CAPI Shield), workflow automation (Make.com), and email and CRM (Systeme.io). Together they replace a typical $500–$1,500/month app stack at $0. Before deploying, the free diagnostic calculators help you identify your biggest leaks first.
The key insight: most of these apps are just moving Shopify data you already own from one place to another, and charging you monthly for the privilege. Use the Klaviyo Migration Savings Calculator to see your exact saving before switching.
All Stack Architect tools are specifically built to operate within Make.com's free plan limits. Stores processing higher order volumes can upgrade to Make.com's Core plan at $9/month — still 95% cheaper than the paid apps it replaces. Create your free Make.com account here →
Stocky Swap is the free replacement — it tracks inventory movements and stock levels in Google Sheets via a Make.com automation. Use the Stocky Migration Risk Scorer to assess your complexity before migrating. Setup takes under 5 minutes. Most paid alternatives charge $49–$199/month. Stocky Swap is permanently free.
CAPI Shield does the same thing free — it uses Make.com to capture Shopify purchase events server-side and send them directly to Google Ads and Meta Ads via their Conversions APIs. Use the Meta EMQ Score Estimator to see exactly how much you're losing before you build, and the Attribution Gap Calculator to understand your current data discrepancy.
Common Questions.
Replace Every
Paid App. Free.
Six deployment tools. 15 free calculators. Every major Shopify pain point. Zero monthly fees. Run the numbers, then deploy the fix — in under 15 minutes.