South Florida · English & Spanish

South Florida Custom Software & App Development

Silicon Key builds custom web, iOS, and Android applications for South Florida businesses and founders. We help turn an app idea or operational bottleneck into a defined product, then design and develop the workflows, interfaces, and integrations it needs.

Broward Strength & Performance

Double the revenue in one month.

Reported result following the website redesign and SEO/AEO work. Reflects the overall engagement.

See results and case study →Broward Strength website

ProCare Consulting · AI agent & automation

Less time chasing leads. More time helping clients.

ProCare can keep prospecting and follow-up moving without the team coordinating every step by hand. That gives advisors more room to help people understand their Medicare options and make informed coverage decisions.

Read the ProCare case study →

Customer experiences

What our customers say

Read our customers’ experiences on our Google Business profile.

Read all reviews on Google

See the work behind the services.

Explore client projects across websites, search, AI agents, and automation. Each project has its own scope.

View all projects

Serving Miami-Dade, Broward, and Palm Beach

We serve businesses across South Florida, including Miami, Fort Lauderdale, Hollywood, Boca Raton, and West Palm Beach. We can review your workflow and coordinate the project in English or Spanish. Meeting arrangements and implementation scope are agreed during the consultation.

Who this is for

For founders planning a first release and businesses that need a client portal, internal tool, or custom operational system. Start with the user and the task they need to complete, then choose the platform.

What we scope together

  • Product scope and core user journeys
  • Interface design and platform recommendation
  • Application development and scoped integrations
  • Testing, release plan, and handoff requirements

Define the first useful release

An app scope starts with roles, core tasks, and the data needed to complete them. A portal might need a customer to sign in, view a project, and submit a request. An internal tool might need a staff member to update a record and hand off work. These flows establish the first release and the acceptance criteria.

Choose web, mobile, or both

A web app is often appropriate when users need access through a browser without installing anything. A mobile app may be a better fit when the experience depends on device capabilities or frequent use on a phone. We weigh those requirements alongside budget, distribution, and maintenance before choosing an approach.

Plan beyond the interface

A working app also needs account permissions, data storage, integrations, error handling, and a deployment plan. Testing should cover real user journeys and failure cases, not only individual screens. Launch planning should identify who owns the accounts, how issues are reported, and what ongoing support is included in the agreement.

From the idea to the operating system

Explore Silicon Key’s portfolio for examples of applications and business systems. In discovery, we connect your proposed features to the workflow and user problem they are intended to solve.

Explore application and software work →

Questions about custom app development

Can Silicon Key help me build an app in South Florida?
Yes. Silicon Key helps South Florida businesses and founders scope, design, and build custom web, iOS, and Android applications, including internal tools and client portals.
Can you build an MVP before a larger app?
Yes. An MVP focuses on the smallest set of features that lets users complete the core task. We define that scope before adding secondary features or expanding to additional platforms.
How long does custom app development take?
The timeline depends on the core workflows, platforms, integrations, design work, and testing requirements. A scoped plan is needed before a reliable timeline can be provided.
Can you add AI to a custom app?
Yes. AI features can support tasks such as searching approved information, preparing drafts, or routing requests. We first define the feature’s purpose, data access, evaluation criteria, and human review requirements.