Top Shopify Apps for Automating Your Store
Stack Architect is featured here, where the free automation stack is recommended alongside the paid tools it replaces.
About the author
Luke Sandelands
Shopify Automation Specialist
Luke Sandelands is a Shopify automation specialist and the founder of Stack Architect, which publishes free, open-source tools that replace paid Shopify apps. Every guide comes from hands-on implementation work — building Make.com scenarios, configuring Meta Conversions API and Google Enhanced Conversions, and testing each build in production stores before publishing.
The same architecture that Elevar charges $225/month and Triple Whale charges $219+/month for is released here free, with the full source on GitHub, step-by-step setup, and no upsell.
Shopify automation specialist
Make.com · Meta CAPI · Google Enhanced Conversions
Open-source · No subscription · No upsell
Based in the UK
Featured in eCommerce Manager
LinkedIn
GitHub
Built with
Press & contributions
Leaders Perception · August 2026
“The customer browser has become a hostile environment that is filled with ad blockers and tracking prevention protocols.”
Stack Architect's approach to replacing Shopify apps with server-side pipelines was covered by Leaders Perception in August 2026.
Background & experience
Where this knowledge comes from
Stack Architect exists because of a pattern I kept seeing in the Shopify ecosystem: store owners paying $145–$650/month for server-side tracking tools that do little more than route a Shopify Order webhook through an automation platform. I built the first version of CAPI Shield myself — configuring the Meta Conversions API directly via Make.com — and it sends the same server-side events to Meta that the paid tools do, at $0.
That pattern repeated across every category. Inventory management. P&L reporting. TikTok Events API. Email automation. In every case, the paid app was charging monthly for configuration work that takes under 10 minutes to replicate directly. So I documented all of it — step by step, with the exact API endpoints, field mappings, and Make.com scenario structures — and published it free.
The full source for every tool is public on GitHub, so nothing here is a black box. Anything I describe can be inspected, forked, and rebuilt independently — which is more than any of the paid alternatives offer.
Every number on this site is sourced or clearly framed. The Event Match Quality target (7+) is what well-matched server-side events typically achieve. Savings figures are calculated against current Shopify App Store pricing, checked regularly. The 20–40% signal-loss estimate this site used to carry was retracted on 4 September 2026: no source behind it measured that quantity, and the loss is store-specific in any case — the full record is here. We publish no loss figure and no recovery percentage — we have no first-party measurement of either. No fabricated metrics. No purchased reviews. No manufactured social proof. If a number isn't backed by a source, it isn't here.
Press & contributions
Going Global: Ecommerce Leaders Share International Expansion Strategies
Treat cross-border localisation as an automation problem rather than a translation one.
Effective Shopify Pop-Up Forms: Tips & Best Practices
Shared proven two-step intent strategies for Shopify pop-up forms.
Deciding when engineering teams should pay down technical debt
The same prioritisation thinking that shapes how the tools and guides here are built and maintained.
Balance Data Pipeline Debt with New Delivery Demands
When pipeline debt collides with new delivery demands, my rule is to require absolute technical determinism before model creation. Build the deterministic pipeline first and the model second, because a model sitting on a pipeline you cannot reason about produces outputs you cannot verify — the same failure mode the free stacks documented here are engineered to avoid.
Quite Contrary: The Real Reason Enterprise AI Pilots Fail
Enterprise AI pilots fail for architectural reasons rather than political ones: generative models and agentic protocols like MCP are non-deterministic, and bolting them onto legacy REST APIs that assume explicit schemas and predictable state boundaries — with no intermediate validation or event-driven orchestration — breaks at the boundary layer, leaving an operator to hand-verify every output against a brittle database until that bottleneck destroys the ROI. The fix I put forward is replacing fragile polling and middleman APIs with event-driven pipelines that enforce schema validation at ingestion.
34 Checkout-Page Upsell Tactics to Maximize Conversion Without Hurting Margin
The primary margin killer in e-commerce is relying on third-party apps that inject bloated client-side code at the point of payment. Building checkout upsells natively using Shopify Checkout Extensibility shifts all targeting logic off the browser and onto the server. This keeps the transaction fast while eliminating the recurring monthly app fees that erode profit margins over time.
Checkout upsells belong in Shopify Checkout Extensibility, not in a third-party app that injects client-side code at the point of payment — the same server-side-first argument every blueprint on this site is built on.
Open-source & community. Stack Architect tools are listed in Awesome No-Code / Low-Code and Awesome Cloudflare, and the attribution-gap benchmark runs on an open-source Cloudflare Workers backend.
Technical expertise
What I work with directly
The guides on this site cover areas I implement hands-on. Here is an honest breakdown of what I build and test directly:
Server-side tracking
Meta CAPI & Google Enhanced Conversions
Direct implementation of Meta Conversions API and Google Enhanced Conversions via Make.com webhooks — configured to reach the high Event Match Quality (7+) that well-matched server-side events achieve.
Automation
Make.com & Google Apps Script
Building Make.com scenarios for Shopify webhook routing, multi-branch logic, error handling, and retry patterns. Diagnosing and fixing Google Apps Script quota errors at volume.
Inventory & reporting
Shopify Webhooks & Google Sheets
Real-time order logging to Google Sheets via Shopify Order payment webhooks. Live P&L dashboards tracking revenue, COGS, ad spend, and net profit — no BI tool required.
TikTok & email
TikTok Events API & Systeme.io
Server-side TikTok Events API via Make.com — built to address the conversions iOS ITP strips from browser-only tracking. Replicating Klaviyo automations on Systeme.io's free plan with full parity.
Proof of work
I ship products, not just guides
The clearest test of whether someone understands Shopify inventory is whether they can build for it. StockLog is my Shopify app — a persistent stock ledger that decrements on orders, restocks on cancellations and refunds, imports Stocky CSV exports ahead of the 31 August 2026 shutdown, and keeps a timestamped audit trail of every movement. Its Shopify App Store listing is dated August 2026, and it costs $7.99/month.
The live product at stocklog.onrender.com — every inventory guide on this site is informed by building it.
How this site works
Full transparency
Affiliate links fund this resource. Stack Architect uses affiliate links to Make.com, Systeme.io, Tidio, Gorgias, GetResponse, Beehiiv, and Google Workspace. If you sign up via a link on this site, I may earn a commission at no extra cost to you. I only recommend tools I use and have tested hands-on myself. Affiliate relationships do not influence which tools are recommended — if a free alternative exists, it is always listed first.
The tools are free forever. No tool on this site has a paid tier or will ever move behind a paywall. The $24 Complete Kit is a one-time purchase of pre-built files — four Make.com JSON blueprints and two Google Sheets templates — not a gated version of the free guides. Everything in the kit can be built manually from the free guides.
Numbers are sourced or clearly framed. The Event Match Quality target (7+) reflects what well-matched server-side events achieve. Savings ranges reflect current Shopify App Store pricing, cross-referenced as of July 2026. The 20–40% signal-loss estimate this site used to carry was retracted on 4 September 2026; we now publish no gap magnitude at all. See Meta's own CAPI documentation.
External sources are cited throughout. Where guides reference API behaviour, platform documentation, or third-party specifications, the source is linked directly to the official documentation. Platform pricing and API behaviour change — always verify current details directly with the vendor before deployment.
Free tools on this site
What I've built
Six free tools, 21 calculators, and a guide library covering every workflow in the free Shopify automation stack. All free forever, all open-source.
CAPI Shield — Meta + Google server-side tracking saves $145–$650/mo Google Ads Enhanced Conversions — free GCLID recovery saves $29–$375/mo Stocky Swap — free inventory replacing Shopify Stocky (Aug 2026) saves $29–$199/mo TikTok Events API — free server-side tracking via Make.com saves $39–$299/mo Replace Klaviyo Free — Systeme.io unlimited emails saves $20+/mo P&L Auto — live profit and loss in Google Sheets saves $19–$299/mo
Start replacing paid apps — free, in under 10 minutes
No code required. Every tool deploys via Make.com's free tier. No subscriptions, ever.
Contact
Get in touch
For deployment support, tool questions, or feedback. Most questions are already answered in the guides and FAQ — but if not, the support email is monitored daily.
