Custom Software · San Antonio

Custom Software, Built for How Your Business Works

Tired of bending your business to fit off-the-shelf software? We build custom web apps for San Antonio businesses that automate the busywork, connect your tools, and do exactly what you need, tested thoroughly before it ever goes live.

5.0 on Google (7 reviews) Built and tested by software engineers

When the Software Doesn't Fit, Your Business Pays for It.

Off-the-shelf tools force you to work their way. So you end up with spreadsheets, sticky notes, and five apps that don't talk to each other, paying for features you don't use and doing by hand what software should handle.

Disconnected Tools

Your apps don't talk to each other, so you copy data between them by hand all day.

Wasted Hours

Manual, repetitive work eats your team's time and quietly introduces errors.

Paying for the Wrong Fit

Monthly fees for bloated software that still can't do the one thing you actually need.

Software That Fits You

We Build It Around Your Business, Not the Other Way Around.

We start by understanding how your business actually runs, then build a tool that automates the busywork, connects what you already use, and works exactly the way your team does.

What We Can Build for You.

From web apps to internal tools, if it runs in a browser and would make your business easier, we can probably build it. A few of the most common.

Business Process Automation

Automate the repetitive, manual work that eats your team's day and causes mistakes.

Client-Facing Apps

Customer portals, online booking, and e-commerce that make it easy to do business with you.

Internal Tools & Dashboards

Employee management, data tracking, and dashboards that put what matters in one place.

System Integrations

Connect the software, databases, and third-party tools you already use into one workflow.

Companies We've Worked With

Software & Apps for Real Businesses.

Oil Connection
BRCC
Effortless Time
The Builder App

From booking and field tools to Effortless Time, our own time-tracking app, we build software that fits how a business actually runs.

Why Work With Us

Built by Engineers Who Sweat the Details.

Behind ADD is just the two of us, Preston and Brianna. We come from a software and QA background, so we build tools that are fast and properly tested, and we stay reachable long after launch instead of disappearing once the invoice clears.

Preston and Brianna Allen building custom software on a wide monitor in Bandera, Texas

Thoroughly Tested

With a real software-QA background, we test it hard so it works flawlessly before launch.

Fully Custom

Your software is built for your business, not forced into someone else's template.

Direct Support

We keep you informed start to finish and stay reachable long after launch.

Local & Reliable

Based in Bandera, serving San Antonio and the Hill Country. You can meet us in person.

How It Works

From Idea to Software You Rely On.

01

Free Consultation

We meet to understand your goals and the software solution that fits your business.

02

Quote & Roadmap

You get a clear, clear quote and a project roadmap before any work begins.

03

Development & Testing

We build your software with rigorous testing for reliability and performance.

04

Launch & Support

Your app goes live only when you're happy, and we're here to support it afterward.

“He came through with a solution we'd been struggling to find within our software system, and optimized our booking system. We'll be working with him for any and all of our tech needs.”
Park Rapids Boat Rental · Park Rapids, MN

We Build Our Own Software, Too

We don't just build for clients. We've built our own products, like Effortless Time, a time-tracking app our hosting and SEO clients can try in beta. We build software we'd want to use ourselves.

Read Our Google Reviews

Custom Software Questions, Answered.

How much does custom software cost?

Every project is different, so we custom-quote each one based on what you need it to do. You'll get a clear, clear quote and roadmap before any work starts, no open-ended bills.

How long does it take to build?

It depends on the scope. A focused automation is quick; a full app with many features takes longer. We give you a realistic timeline in the roadmap and keep you updated throughout.

What kind of software can you build?

Web apps of all kinds, process automation, customer portals, booking systems, internal dashboards, and integrations between the tools you already use. If it runs in a browser, we can likely build it, just ask.

Should I build custom or just buy software?

If an off-the-shelf tool does the job well, use it, we'll tell you so. Custom makes sense when you're stuck with workarounds, paying for software that doesn't fit, or losing hours to manual work. We'll give you a clear recommendation.

Do you support it after launch?

Yes. We don't disappear at launch. We're local, easy to reach, and here to maintain, fix, and grow your software as your business changes.

Our Work

Real Sites for Real Local Businesses.

From pest control to HVAC to custom homes, here's a look at a few of the businesses we've helped. Tap any one to visit the live site.

Let's Build Something Powerful for Your Business.

Stop fighting software that doesn't fit. Tell us what's slowing you down and we'll show you what's possible, with a free consultation and a clear quote.