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I’d Love to Hear From You
Have an idea for an online calculator, quote tool, website widget, or custom front-end application? Tell me what your website should help visitors do, and I’ll help you turn that idea into a clear, practical tool.
You do not need to have the full logic ready before reaching out. A simple description is enough: what your customers need to calculate, choose, estimate, compare, or submit.
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Website application development by Trevor McAllen
Remote project work available for businesses, agencies, consultants, and service companies that need interactive tools for their websites.
Questions & Answers
What services do you offer?
I develop online calculators, quote tools, cost estimators, custom website widgets, lead-generation forms, and lightweight front-end web applications. I also help plan calculator logic, user flows, input fields, result blocks, and website integration.
How do you approach a new project?
I start by understanding the business goal behind the tool. Then I define what the visitor needs to do, what information should be collected, how the result should be calculated or displayed, and what action should happen next. After that, I prepare the structure and build the tool using the most suitable approach.
What is your project timeline?
The timeline depends on the complexity of the application. A simple calculator or widget can usually be planned and built faster than a custom multi-step tool with conditional logic, integrations, or advanced formulas. After reviewing your idea, I can give a clearer estimate.
How much do your services cost?
Pricing depends on the type of tool, number of fields, calculation logic, design requirements, and integration needs. Simple calculator planning starts from smaller fixed projects, while advanced custom website applications require a more detailed quote.
What platforms do you work with?
I can build tools for existing websites using HTML, CSS, JavaScript, embedded calculator platforms, and front-end integration methods. For calculator-based projects, I may also use tools such as uCalc when they fit the project better than fully custom development.
Can you add a calculator to an existing website?
Yes. In many cases, an online calculator, quote form, or widget can be added to an existing page without rebuilding the whole website. The tool can be placed on a service page, pricing page, landing page, or contact page.
Do I need to know the formula before contacting you?
No. You can contact me with a general idea. I can help define the inputs, conditions, formulas, result format, and lead capture flow before development starts.
Can the tool collect leads?
Yes. A calculator or quote tool can collect names, emails, phone numbers, project details, selected options, and calculated results. This makes inquiries more structured and useful for follow-up.