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Retail Software Development Company: Custom Retail & Omnichannel Software

Updated September 2026 · Written and maintained by the Progression Agency strategy team

Progression Agency builds custom retail software for brands and multi-location retailers: loyalty and clienteling apps, order management and buy-online-pickup-in-store, inventory visibility, associate tools and retail analytics — connecting POS, ecommerce and warehouse systems into one customer experience.

On this page · 12 sections
  1. What is retail software development?
  2. Retail software we develop
  3. What features does retail software need?
  4. Systems retail software integrates with
  5. Security and privacy considerations
  6. Our retail software development process
  7. How much does custom retail software development cost?
  8. Technology for retail software
  9. Mistakes to avoid in retail software projects
  10. Why choose Progression Agency for retail software development?
  11. Related services
  12. Video: building business software

The short answerRetail software development is building custom applications that connect stores, ecommerce and fulfillment — loyalty, clienteling, order management, inventory, associate and analytics tools — integrated with POS, ecommerce platforms and ERP. Custom retail software commonly costs $80,000-$300,000.

Cost ranges are US planning figures, not quotes. Regulatory references are summaries, not legal advice.

Retail software development searches
Retailers look for software that unifies stores and online sales.

What is retail software development?

Retail software development is designing and building software for selling, fulfilling and servicing across stores and online channels.

Most retailers already run POS and ecommerce platforms; custom software connects them and adds the experiences that differentiate the brand.

Loyal — Loyalty apps. Points and offers..
Client — Clienteling. Associate selling..
OMS — Order management. BOPIS and returns..
Stock — Inventory visibility. Store and DC..
Ops — Store operations. Tasks and audits..
Data — Retail analytics. Sales and traffic..

Retail software we develop

Our retail software development services cover the systems these organizations ask for most.

Loyalty and customer apps

Points, offers, digital receipts and personalized recommendations; see ecommerce app development.

Clienteling tools

Associate apps with customer profiles, wish lists and outreach.

Order management

Buy online pick up in store, ship from store and returns.

Inventory visibility

Real-time stock by store and distribution center.

Store operations tools

Task management, audits and communications.

Retail analytics

Sales, traffic, margin and promotion performance.

Points, offers, digital receipts and personalized recommendations; see ecommerce app development.

What features does retail software need?

The features that consistently deliver value.

Core retail software features
FeatureWhy it matters
Unified customer profileRecognize customers everywhere
Real-time inventoryAccurate availability
BOPIS and ship-from-storeFaster fulfillment
Personalized offersHigher repeat purchase
Associate mobile toolsBetter in-store service
Returns anywhereCustomer convenience
Promotions engineConsistent pricing
AnalyticsStore and channel performance

Systems retail software integrates with

Integration is where most of the value is created.

Common integrations
SystemWhat we connect
POSTransactions and customers
Ecommerce platformShopify, BigCommerce and others
ERP / merchandisingProducts and pricing
WMSFulfillment
PaymentsCards and wallets
Marketing platformsEmail, SMS and ads

Security and privacy considerations

Retail software handles payment and customer data.

  • PCI DSS for card data (PCI SSC).
  • State consumer privacy laws for customer profiles.
  • Accessible customer experiences (WCAG 2.2).
  • Secure store-network connections.
How we build retail software
Piloting in a handful of stores reveals operational friction before chain-wide rollout.

Our retail software development process

We map the real workflow with the people who do it, agree a first-release scope, design and test with users, build in two-week sprints with working releases, integrate with existing systems, and roll out site by site or team by team.

How much does custom retail software development cost?

As a planning range, a loyalty app commonly costs $60,000-$150,000, an order-management layer $100,000-$250,000, and an omnichannel platform $250,000+.

Retail software cost ranges (planning figures)
ScopeTypical rangeTimeline
Loyalty app$60,000-$150,0003-5 months
Clienteling app$60,000-$140,0003-5 months
Order management layer$100,000-$250,0004-8 months
Omnichannel platform$250,000+8-12 months

Technology for retail software

Mainstream, maintainable technology chosen per project.

Technology we typically use
LayerChoice
MobileReact Native or native
WebNext.js
BackendNode.js event-driven services
DataPostgreSQL, analytics warehouse
IntegrationPOS and ecommerce APIs
PaymentsPCI-compliant providers

Mistakes to avoid in retail software projects

Patterns we see derail projects in this sector.

  • Building loyalty without clean customer data.
  • Showing inventory that is not accurate.
  • Ignoring associates’ workflows.
  • Rolling out chain-wide first.
  • Separate profiles per channel.
  • Promotions that differ by channel.
Accurate stock — Retail. Trust online..
One profile — Retail. Everywhere..
Associate tools — Retail. Better service..
Store pilot — Retail. Prove it..
Consistent pricing — Retail. All channels..
Analytics — Retail. Measure lift..

Why choose Progression Agency for retail software development?

Engineering plus industry marketing experience under one roof.

  • Omnichannel integration experience.
  • Customer and associate UX design.
  • Retail and ecommerce marketing to drive app adoption.
  • You own the code, data and cloud accounts.
  • Headquartered in New York City, working nationwide.

See ecommerce app development, ecommerce development and mobile app development.

Planning retail software?

Describe the workflow and systems involved. We will propose a first release, architecture and planning estimate.

Get a proposal

Video: building business software

Explainers on the practices and frameworks we build with.

Getting found in search

AI, AEO and what is changing

Paid media and lead generation

Websites and design

Choosing and working with an agency

Software and app development

Social, content and brand

By industry and by situation

Frequently asked questions

What is retail software development?
Building custom software for selling, fulfilling and servicing across stores and online.
How much does custom retail software cost?
As a planning range, $60,000-$150,000 for a loyalty app and $100,000-$250,000 for order management.
How long does it take?
Commonly 3-8 months.
What is omnichannel retail software?
Software that unifies stores, ecommerce and fulfillment into one customer experience.
What is BOPIS?
Buy online, pick up in store.
What is clienteling?
Tools that help associates build relationships with customers.
Can you integrate with our POS?
Yes, via its APIs.
Can you build a loyalty app?
Yes, with points, offers and personalization.
Can you show real-time store inventory?
Yes, when inventory data is integrated and accurate.
Is retail software PCI compliant?
We use PCI-compliant payment providers and keep card data out of scope where possible.
Do you work with Shopify?
Yes.
Can associates use it on phones?
Yes, with mobile clienteling tools.
What tech stack do you use?
React Native, Next.js, Node.js, PostgreSQL and POS and ecommerce APIs.
How much maintenance is required?
Integration updates, OS updates and features; plan ongoing support.
What should I look for in a retail software developer?
Omnichannel integration experience and store pilots.
Can you build retail analytics dashboards?
Yes.
Do you build for small retailers?
Yes, often starting with loyalty or ordering.
Can you help market the app?
Yes.
Who owns the software?
You do.
Where is Progression Agency located?
New York City, serving retailers nationwide.

Sources and further reading

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Need software built?We design, build and support custom software, web apps and SaaS platforms, with a written scope first.

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