Custom Mobile App Development Company

Who can design and build a mobile app from scratch

If you are an operator, founder or IT director asking who can take an idea and turn it into a shipped app, the honest answer is that you need a team that does four things under one roof: product discovery, UI and UX design, native or cross platform engineering, and post launch support. Tepia has done exactly that for thirteen years, building apps for grocery chains, hospitals, ministries, home improvement companies and IoT hardware makers.

Tepia is not a body shop. Project management, design leadership and engineering leadership are US based, and the engineers on your project are individually sourced and hand picked, working in US overlapping hours. You get one project manager, one point of accountability, and a team that stays with the product after launch.

The work Tepia is known for is apps engineered for retention. A mobile app only pays back when people keep opening it, so the design and engineering choices described on this page are aimed at that outcome rather than at a launch day screenshot. You can see examples across grocery, healthcare, wellness and IoT on the Tepia portfolio.

What Tepia builds: iOS, Android and cross platform

Tepia builds native iOS apps in Swift and SwiftUI, native Android apps in Kotlin, and cross platform apps in React Native or Flutter.

Most Tepia mobile projects also include a backend and an admin portal. Maximum Controls, for example, needed an iOS app, an Android app and an admin portal for gate control, and Tepia built all three as one product. See the dedicated pages for iOS app development, Android app development and cross platform app development for the tradeoffs in depth.

Apps engineered for retention, not just launch

The difference between an app that gets installed and an app that gets used comes down to decisions made before a line of code is written. Tepia calls this emotionally intelligent engineering: understanding why a user opens the app, what would make them come back tomorrow, and what would make them delete it.

In practice that means Tepia interviews real users during Discovery, writes user stories around the moments that matter (first open, first task completed, first return visit), and designs onboarding and notification strategy with the same care as core features. Push notifications, offline first sync and fast cold start times are retention features, and Tepia treats them as requirements rather than extras.

Daily Hope, the iOS and Android app Tepia built for Pastor Rick Warren’s ministry audience, is a good example. The product’s value is a daily habit, so the app was built around reliable daily content delivery and a return path that works even on a weak connection. Build more than an app, build loyalty.

How Tepia approaches custom mobile app development

Tepia runs every mobile engagement through the same six phases. The full process page describes each in detail; here is how it applies to a mobile build.

1. Discovery. Tepia investigates your current systems, interviews users and stakeholders, and reviews every third party integration (payments, CRM, ERP, identity). Deliverables: Investigation Summary, Interview Summary and a prioritized set of User Stories that become the contract for scope.
2. Design. A design questionnaire, moodboards and a style guide come first, then detailed wireframes for every screen and sample designs for the key flows. You approve designs before engineering starts.
3. Development and Testing. Tepia works to published Alpha and Beta schedules with test plans covering functional, user acceptance and non functional testing (performance, security, device coverage). You get builds on your own devices through TestFlight and Google Play internal testing.
4. Training. In person and remote sessions walk your staff through the app using hands on user story scenarios, so admins and support reps are ready before customers arrive.
5. Launch. Tepia handles data migration, the transition from any old system, App Store and Google Play submission, and keeps support reps on rollout.

A Tepia project manager coordinates all six phases and reports to you on a fixed cadence, so you always know what is done, what is next and what decisions are waiting on you.

What a good development team looks like

Buyers often ask what a good team to develop an app looks like. Tepia’s answer is a named project manager, a design lead, an engineering lead and two to four engineers matched to your stack, all reachable during your business day. Leadership includes Abraham Agopian (Founder and CEO), Dustin Gordon (Director of Operations), Brianna Martison (Director of Engineering) and Fahad Baig (Technical Lead Manager).

• Weekly demos of working software, not slide decks.
• Source code and store accounts in your name from the first commit.
• HIPAA aware, PCI DSS scoped and WCAG 2.1 AA practices when your product needs them.

Participant Media’s Director of IT put it this way about Tepia: “If I could build an in-house team, it would be exactly like them.” If you are comparing options, the vetting checklist lists the questions to ask any vendor, including Tepia. You can also explore the full range of Tepia services.

Frequently asked questions