Custom App Development

Custom App Development

Build enterprise applications on Oracle APEX. Data-heavy, workflow-driven applications designed for your specific business requirements with Oracle REST API integration.

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Dev
Design
Develop
Test
Deploy
Design Solution Architecture
Our Services

Custom Development Services

End-to-end custom application development on Oracle APEX.

Discuss Your Project

Solution Design

Requirements, architecture, and UX planning. Define the application scope, data model, user workflows, and integration requirements.

APEX Development

Rapid application development on Oracle APEX. Build enterprise-grade applications with responsive UI, REST APIs, and Oracle Database integration.

Testing & QA

Functional, performance, and security testing. Comprehensive quality assurance ensures your application meets enterprise standards.

Deployment & Support

Production launch and ongoing maintenance. CI/CD deployment, monitoring, and application support post-launch.

Built on APEX

APEX-Powered Products

OAN products built on Oracle APEX.

AP Invoice Automation

Enterprise AP app built on APEX.

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eCommerce

B2B eCommerce built on APEX.

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CRM

Customer management on APEX.

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Truck Yard Management

Logistics app built on APEX.

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Built on APEX. Built for Enterprise.

APEX Capabilities
Enterprise application platform
Low-Code
Platform
REST
Native
Mobile
Responsive
Oracle
Database
Requirements, Architecture, UX Design
Design Phase
Rapid Development with APEX
Build Phase
Testing, Deployment, Support
Deliver Phase

APEX Capabilities

Oracle APEX is the ideal platform for data-heavy enterprise applications. Fast development, Oracle Database integration, and enterprise security built in.

Rapid development with low-code APEX platform
Build enterprise apps in weeks, not months.
Native Oracle Database integration
Direct access to your Oracle data without middleware.
REST API integration for cross-system connectivity
Connect to any system with standard REST services.
Enterprise security with Oracle authentication
SSO, role-based access, and audit logging built in.

Why OAN for Custom Development

Deep Oracle APEX expertise
Enterprise-grade application delivery
Rapid development with low-code
REST API integration patterns
Oracle Database native
Ongoing support and maintenance
Customer Success

Trusted by Enterprise Teams

"OAN built our custom inventory management app in 8 weeks on APEX. It handles 50,000 transactions daily with sub-second response times."

MT
Michael Torres

VP Operations

Manufacturing

"We needed a vendor collaboration portal fast. OAN delivered a production APEX app in 6 weeks that our 2,000 vendors use daily."

SK
Sarah Kim

Procurement Director

Distribution

"The APEX app OAN built replaced a legacy system that cost us $200K annually. Better functionality at a fraction of the cost."

DW
David Walsh

CTO

Financial Services
Insights

Blog & News

Insights on Oracle APEX development and enterprise applications.

Accelerating Month-End Close: What Leading Oracle Finance Teams Are Doing Differently
Oracle Apex
Feb 12, 2026

Accelerating Month-End Close: What Leading Oracle Finance Teams Are Doing Differently

Month-end close no longer has to be a compressed, manual sprint. Leading Oracle finance teams are accelerating the financial close through automated reconciliations, structured GL validations, and disciplined close task orchestration. By embedding controls and shifting toward continuous accounting, organizations are reducing reporting timelines while improving accuracy and audit readiness.

Read More
Streamlining Complex Business Processes with Oracle APEX 23.2's Workflow Feature
Oracle Apex
Dec 8, 2023

Streamlining Complex Business Processes with Oracle APEX 23.2's Workflow Feature

Learn more about Workflows, an Oracle APEX tool to design, manage, and execute intricate workflow without external integration or coding.

Read More
Modernized Object Browser in Oracle APEX 23.1: Navigating Your Development Journey
Oracle Apex
Nov 29, 2023

Modernized Object Browser in Oracle APEX 23.1: Navigating Your Development Journey

Get to know the features and enhancements that come with the Modernized Object Browser in Oracle APEX, and streamline your development.

Read More
12 Steps to Upgrading Your Oracle APEX Applications
Oracle Apex
Jul 13, 2023

12 Steps to Upgrading Your Oracle APEX Applications

Oracle Application Express (APEX) is a free, easy-to-use tool to help you quickly build and deploy database-driven applications. You can use APEX to create and publish your custom applications or build on top of our prebuilt widgets and components library.

Read More
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Ready to Build Custom Applications?

Enterprise applications on Oracle APEX. Fast development, Oracle-native, built for your requirements.

Schedule a Consultation