← Infinity Builds services

Custom app development

Turn your app idea into a product people can use.

Work with Infinity Builds to scope and create a custom web or mobile-ready application around your customers, team, and next step for the business.

No payment to apply. We confirm the exact scope, schedule, and total in a written proposal first.

A custom booking and analytics application displayed on a phone and laptop

A fit for your idea

What we can build

These are examples to help you describe your idea. Your application tells us which screens, people, and workflows matter most.

Customer portals and marketplaces
Booking, ordering, and membership apps
Internal tools and customer dashboards

Included in the process

Clear scope before the build starts

  • A discovery brief and written project scope
  • Interface and workflow planning before build
  • Testing of the agreed core user journeys
  • A handoff plan for launch and future support

Project pricing · USD

Choose a scope to start from

Starting estimates below include only the listed scope. Final price is confirmed in a written proposal before paid work begins. Hosting, paid APIs, software subscriptions, and major data migration are quoted separately when needed.

Starting estimate

$1,400+

App Launch

A focused first version for one clear customer need.

  • Up to 4 main screens with your logo and colors
  • One core workflow, such as requests or bookings
  • Responsive web app for phones and computers
  • Email sign-in and one simple record collection
  • One design revision round and launch handoff
Request this scope
Starting estimate

$3,400+

App Growth

A fuller product for customers or a growing team.

  • Up to 8 main screens with custom branding
  • Up to 2 core workflows
  • Customer and admin roles with basic dashboard
  • One standard integration, such as Stripe or email
  • Search, filters, and CSV export for agreed records
  • Two design revision rounds and launch handoff
Request this scope
Starting estimate

$6,000+

App Scale

A larger or more connected product with custom needs.

  • Up to 12 main screens and 3 user roles
  • Up to 3 core workflows
  • Up to 2 standard integrations
  • Custom dashboard and basic reporting
  • One scoped AI assistant using supplied content
  • Three design revision rounds and launch handoff
Request this scope
Prices are planning estimates, not an offer to begin work. The proposal will identify deliverables, timing, payment milestones, recurring costs, and any exclusions.