Custom Software Development
Specialized in Location-Based Solutions

Services

What We Do

  • Bespoke software development
  • Website design and hosting solutions
  • Mobile-native applications
    (phone & tablet)
  • Custom Internet mapping applications
    (our specialization)

How We Build

  • Fast, performant applications
  • Intuitive design and simple user experience (UX)
  • Data-rich, interactive, and expressive presentation
  • Security-first, backup-protected systems

What You Get

  • A purpose-built solution to your idea or workflow
  • Production-ready, scalable applications
  • No vendor lock-in. You own your system.
  • Clear documentation. The power to walk away.

Focused Offerings

  • Property mapping and searching solutions
  • Delinquent property tax viewers
    (promotional opportunities)
  • Situational awareness and data dashboards
  • Short-term rental, SEO-optimized landing pages
  • Rental property payment portals

Featured Work

Richland County, South Carolina, GIS Department

Government / GIS

Dataviewer Application

Richland County Dataviewer, desktop and mobile
  • Original developer of the department's Dataviewer application (2015)
  • Open-Source architecture avoided expensive COTS licensing
  • Responsive layout for all device sizes, including phones and tablets
  • Features included a REST integration API, search-suggest UI, and more
  • Extensible plugin architecture enabled quick reconfiguration to support evolving requirements
  • Work led to and resulted in a shared solution to the Google Polyline Encoding Algorithm for PostGIS

Comparative Sales Application

Richland County Comparative Sales Application
  • Original developer of the department's Comparative Sales application (2014)
  • Use case supported real property comparative sales analysis using county source data
  • Bespoke web application with a desktop-native aesthetic
  • Features included a REST integration API, expressive and interactive UI, and export to CSV to support workflows using tools like Excel
  • Work led to and resulted in a Zoom-to-Area plugin for the Leaflet library

Additional Work

  • Delinquent Property Tax Viewer (2014, Seasonal availability, Original developer)
  • Permit Lookup Application (2017, In-house app, Original developer)
  • Work performed as Apps LLC: Migrated GIS web systems, including Postgres databases, web servers, map tile servers; configured hosts and performed code compatibility updates (2025)

Buffalo River, Arkansas, Property Mapping

Pro-bono / Self-Directed
Project to support property research in counties intersecting the Buffalo National River watershed in rural northern Arkansas

About

APPS LLC does bespoke software development and is operated by Elijah Robison, an O'Reilly Media-published author and software developer with 17 years of experience. Learn more at elijahrobison.com.