Replacement Guide

How to Build Your Own Shopify POS

Replace Shopify POS with a custom build. The point of sale for every sale

Few Days
93 features9 integrations3-5 days

Estimated Timeline

Based on 93 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.

1
Architecture & setup
Half day
2
Core features
2-3 days
3
Testing & polish
1 day

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 93 features

Inventory(14 features)

Advanced Inventory Management

Reduce errors and increase profit from a single place using smart recommendations from Stocky app by Shopify

Demand ForecastingAIPremium

Get purchase order suggestions based on recent product performance or seasonality

Detailed Inventory ReportsPremium

Identify trends and confidently plan for the future with reports about your locations and inventory

Inventory AnalysisAIPremium

Decide which products are worth reordering and which are taking up valuable storage and cash based on stock performance grading

Inventory CountsPremium

Use a barcode scanner to match your store inventory to your records

+9 more in this category

Payments(12 features)

Built-in Payment Processing

Shopify Payments comes included with every Shopify plan for fully integrated payments both in store and online

Chargebacks

Easily manage and reconcile chargebacks in the Shopify admin and win 17% more disputes

Custom Payment Types

Create custom payment options like checks or transactions taken through external terminals

Gift Cards

Sell flexible gift cards, redeemable online or in store with ability to email digital cards and let shoppers add them to Apple Wallet

Partial Payments

Accept as much or as little payment as you want in the form of deposits or layaways

+7 more in this category

Reporting & Analytics(11 features)

Cash Flow Reports

Understand how much you'll be paid and when you'll receive your money from in-person and online sales

Cash Tracking

Accurately track the balance of your cash drawer for end-of-day deposits

Daily Sales ReportsPremium

Make informed decisions with detailed insights into sales, products, and staff performance compiled in a daily report generated from your POS

Dashboard Overview

Get an overview of your entire business online and in-store at a glance

Discount Reports

Track the performance of your promotions so you can evolve your approach over time

+6 more in this category

Checkout(10 features)

Add Products to Cart

Quickly build carts through search, customized product tiles, or scanning barcodes from your device camera or a connected barcode scanner

Checkout ValidationsPremium

Improve the data captured at checkout by enforcing cart actions like adding a customer to an order or attributing a sale to a staff member

Custom Email or SMS Receipts

Send custom email or SMS receipts and build your customer contact list for re-engagement

Custom Printed ReceiptsPremium

Easily customize printed receipts to fit your brand with access to the code editor for more advanced modifications

Custom Sale

Use custom line items to bundle items on the spot and set a price

+5 more in this category

Customer Management(9 features)

ClientelingPremium

Empower staff to create personalized shopping experiences with tools to track customer preferences

Customer Information

Build your contact list by collecting valuable customer information at checkout with options to choose which fields are required

Customer Loyalty InsightsAIPremium

Access customer loyalty insights and lifetime value reporting through POS Pro

Customer Metafields

Improve clienteling and personalization in store by creating custom attributes that allow staff to capture the retail customer data that means most to your business

Customer Profiles

Personalize customer experiences with profiles that track contact information, preferences, lifetime value, and more

+4 more in this category

Hardware(6 features)

Compatible Hardware Accessories

Complete your POS setup with barcode scanners, receipt printers, and more compatible hardware

Modern POS Hardware

Build your ideal point of sale with hardware that staff can use at the counter or on the floor

Shopify Hardware Warranty

Get replacements for any Shopify hardware with issues while under warranty with 1-year standard warranty or 2 years with POS Pro

Shopify POS Terminal Countertop Kit

Sell reliably at the counter with Shopify's innovative POS Tablet Stand and the POS Terminal card reader, complete with customer-facing display

Shopify Tap & Chip Card Reader

Pair this lightweight reader to your POS device over Bluetooth and accept contactless or chip-insert payments anywhere

+1 more in this category

Staff Management(6 features)

Manager ApprovalsPremium

Specify when your staff would need manager approval for actions like applying discounts or editing taxes

POS Staff Roles and PermissionsPremium

Assign custom roles to store staff ensuring they have the correct permissions

Sales CommissionsPremium

Attribute sales to staff members for commissions or kudos

Staff Management

Control permissions and track staff performance from one place with customizable roles

Staff POS PINs

Give staff members unique PINs to log into POS

+1 more in this category

Marketing(5 features)

Customer SegmentationAI

Group shoppers by purchase history, location, or spending habits and create targeted marketing campaigns with personalized offers

Email Marketing

Capture customer emails at checkout and stay in touch with marketing emails and promotions

Google Merchant Center

Promote your store and automatically sync products and information with Google Merchant Center

Send Cart to Buy OnlinePremium

Send customers an email with items they were interested in but didn't purchase in store

Social Media Integration

Create campaigns to connect with your local customers that drive store visits and sales

Cost Calculator

Keep Paying Shopify POS

Monthly$39/mo
Yearly$468/yr
5-Year Total$2.3k

Build It Yourself

Est. Build Time~10 hrs
Hosting$20/mo
DifficultyEasy

Total Cost Comparison

1 YearSave $228
SaaS
$468
DIY
$240
3 YearsSave $684
SaaS
$1.4k
DIY
$720
5 YearsSave $1.1k
SaaS
$2.3k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 93 features at easy complexity.

Ready to Build?