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Trango Tech Honored with Industry-Leading Awards

Your Million Dollar App Idea is just missing Trango Tech

We know that Seattleites have high ambitions as the ‘Space Needle’, and Trango Tech is here to fulfill them. We’ll not just be your app development company Seattle, but we’ll be your product partner. We’ll do our own research before signing off, and we’ll provide honest guidance no matter how harsh it may seem.
From South Lake Union to Fremont, there are hardly any areas in Seattle where we don’t have a client. Our team boasts an average of 10 years of app creation experience. Let's get your app idea cooking!

  • Apps Developed ... ...

    200+

  • Industries Served ... ...

    20+

  • Clients Retained ... ...

    90%

Seattle’s Game-Changing Mobile App Development Services

From ideation to post-delivery support, we will stand by you no matter what. We’ll help you refine your app idea and bring it to fruition. Our App development services in Seattle are unlike anything you’ve ever seen before. If you are looking for the masters of App development in Seattle, you’ve come to the right place.

Custom Mobile App Development

Every idea is unique, and we will keep it that way. Every code is written from scratch, keeping your app idea and identity in mind.

UI/UX Design

Pixel perfection is literally what we try to achieve with every design of ours. From choosing color pallets to creating Figma designs, we make sure every design is intuitive and functional.

Game Development

Clash of Clans, Pokémon Go, and similar games all started with an idea. Get your game app developed and launch the next big thing in the mobile gaming world.

iOS App Development

iOS is the most favorite OS of our Seattle-based App developers. We’ve created 200+ iOS native apps that have racked up more than 1 million downloads.

Android App Development

Interested in an Android app only? No worries, we have 50+ skilled Android app developers in Seattle who will create and publish your app on the Android App Store.

Wearable App Development

Need a fitness app? We got you covered! After creating 20+ fitness apps, our coders now possess the expertise needed for top-notch Wearable app development.

Web App Development

Packed with intuitive AI capabilities and backed by the cloud-based architecture, the web apps created by our Seattle app developers have garnered numerous accolades in their niches.

Flutter App Development

An open-source framework from Google, Flutter enables us to build apps that run on multiple native platforms. One app to rule all the app stores.

React Native App Development

Another cross-platform app development framework, React Native, is a recent favorite of our clients with technical backgrounds.

PWA Development

Trango Tech prides itself on creating web apps that combine standard languages with modern technologies, creating a powerful mix that delivers a unique experience on every device.

Custom Software Development

From custom ERPs and CRMs to HRMS’ and WMS’, we have created numerous software that are solving problems and generating growth for hundreds of companies worldwide.

App Maintenance and Support

Technology evolves rapidly, so our app maintenance and support services help your app grow through bug fixes and performance optimizations.

Take a Glimpse at Our Top App Development Projects in Seattle

Want to see why we are the best in Seattle? Swipe through the apps we’ve developed over the course of 20+ years. Every app developed is a masterpiece in itself!

Apps Increase Customer Retention by 60%. Partner with Our Leading Mobile App Developers Seattle Today!

The Complete Roadmap of Building Top-Tier Mobile App Solutions

You’ll get a complete breakdown of every project delivered in the service level agreement, along with timelines. From wireframing and UI designs to beta version and final build, we make sure every process is executed smoothly and the app is delivered on time.

Set the Foundation

We always start with all heads on deck including the project manager, the creative designer and the development team. Listing the features, brainstorming ideas and critical thinking leads the creation of initial wireframes that act as a skeleton for the app. The wireframe contains critical features and layout that will be translated into designs in the next step.

Begin Your Project
  • iconProduct
    Discovery
  • iconTech Stack
    Selection
  • iconProject
    Scope
  • iconDevelopment
    Approach

Transforming Wireframes into Designs

Our creative leads will transform the wireframe into a prototype that looks and feels like the real app. Trango Tech is not just known for app development in Seattle, but also prides in the Figma and Adobe magicians that build the design of the app. Esthetically pleasing and functional to the core, our designers make sure every aspect of the requirement from font size and brand colors to icon category and CTA shapes are catered to.

Create a Mockup Now
  • iconPrototypes
  • iconWireframe
  • iconApp
    Navigation
  • iconResponsive
    Design

Bringing the Design to Life

Once the designs are approved by the client, they are handed over to the development team. The team leaders create sprints and break down the process into chunks. The developers get to work, creating apps that look intriguing yet are functional to the core. Our agile process allows for quick delivery and even quicker feedback incorporation, keeping the client updated at every step of the process.

Develop a Custom App
  • iconFeature
    Creation
  • iconThird-Party
    Integration
  • iconFrontend
    Development
  • iconBackend
    Development

Test and Improve

Being a Seattle app development company, we have the same values as Seattleites; we don’t deliver half cooked app. Trango Tech has a rigorous testing and QA process in place that makes sure that only the finest app build makes way to the client. Performance issues, bugs and app crashes are taken care of after a systematic QA process, keeping all the security checks in mind.

Run a Full QA Check
  • iconApp
    Security
  • iconPerformance
    Testing
  • iconBug
    Fixing
  • iconCompatibility
    Testing

Deployment and Launch

After thorough testing the beta version finally makes it way to the App store. The deployment team makes sure the app is in accordance with the policies of Apple and Android app stores. Our account managers will keep you posted at step of the deployment process. Our marketing team will also make sure that the app listing is optimized with necessary keywords for the app to get discovered easily.

Publish Your App
  • iconApp
    Compilation
  • iconPerformance
    Optimization
  • iconSecurity
    Compliance
    Checks
  • iconApp Store
    Configuration

Keeping Your App Afloat

We’ll not leave you high and dry after deploying the app. We’ll fix any bug encountered in real-time and if you want further improvements in the app, we can certainly do that too. The new features might warrant a new SLA, but the cost would always be budget friendly like before.

Upgrade Your App
  • iconTrack
    Performance
  • iconOptimize
    Code
  • iconProtect
    Data
  • iconUpdating
    Features

Engineering Success with Modern Tech Stacks

As the top mobile app developers in Seattle, we implement the most advanced frameworks, programming languages, and cloud services to build revenue-driven apps personalized to your goals. We’ll help your app become the next Unicorn!

  • Kotlin

    Kotlin

  • Java

    Java

  • Firebase

    Firebase

  • Jetpack Compose

    Jetpack Compose

  • Gradle

    Gradle

  • Android SDK

    Android SDK

  • Swift

    Swift

  • SwiftUI

    SwiftUI

  • Objective-C

    Objective-C

  • CocoaPods

    CocoaPods

  • CircleCI

    CircleCI

  • RxSwift

    RxSwift

  • Xcode

    Xcode

  • TestFlight

    TestFlight

  • Flutter

    Flutter

  • React Native

    React Native

  • Xamarin

    Xamarin

  • Ionic

    Ionic

  • NativeScript

    NativeScript

  • Kotlin Multiplatform

    Kotlin Multiplatform

  • Apache Cordova

    Apache Cordova

  • Unity

    Unity

  • Node.js

    Node.js

  • Python (Django / Flask)

    Python (Django / Flask)

  • Ruby on Rails

    Ruby on Rails

  • .NET

    .NET

  • Core PHP (Laravel)

    Core PHP (Laravel)

  • Java (Spring Boot)

    Java (Spring Boot)

  • Express.js

    Express.js

  • Golang

    Golang

  • AWS (Amazon Web Services)

    AWS (Amazon Web Services)

  • Google Cloud Platform (GCP)

    Google Cloud Platform (GCP)

  • Microsoft Azure

    Microsoft Azure

  • Firebase

    Firebase

  • Heroku

    Heroku

  • DigitalOcean

    DigitalOcean

  • Vercel

    Vercel

  • Docker

    Docker

  • Kubernetes

    Kubernetes

  • Terraform

    Terraform

  • Ansible

    Ansible

  • Prometheus

    Prometheus

  • Grafana

    Grafana

  • GitHub Actions

    GitHub Actions

  • Bitrise

    Bitrise

  • Jenkins

    Jenkins

  • CircleCI

    CircleCI

  • GitLab CI/CD

    GitLab CI/CD

  • Fastlane

    Fastlane

  • Travis CI

    Travis CI

Advanced Technologies That Build Smarter Solutions for Seattle Businesses

One of the few Seattle App development companies with developers capable of creating AI, Next Gen, and Blockchain apps, Trango Tech can help you create advanced apps that require deep technical knowledge and insights.

The Emerald City’s Tech Growth in Mobile App Development

The Emerald City’s Tech Growth in Mobile App Development A hub of tech giants and entrepreneurs, Seattle is making waves in the US for being the go-to destination for innovators and tech investors. According to Greater Seattle Partners, the Seattle tech startup ecosystem is valued at $90.8 billion, which is quite higher than the US average of $20.4 billion. Apps like Duolingo, now boasting over 120 million users, were also a creation of Seattle’s mobile app development scene. If you are a founder looking for a Seattle app development company to get started, look no further than Trango Tech.

los angeles

Mobile Apps Account for 90% of Smartphone Usage Time. Build Your App Now!

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Innovative App Development Solutions for Fast-Growing Industries

Our development solutions are built with versatility and depth that caters to diverse industries globally. We bring personalized strategies and modern technologies to the table and solve industrial challenges with scalable, secure, and intuitive mobile apps.

Powerful Features that Enhance App Usability and Performance

At our core, we design startup and enterprise mobile apps in Seattle with users in mind. This whole development journey starts with powerful features that work flawlessly. We add user-centric mobile app functionalities and responsive layouts to enhance user interaction with your app. Every feature we add is tested for speed, accessibility, and user convenience, ensuring your app feels effortless to use.

Registration and Login

Push Notifications

User Profile Management

In-App Navigation

Chat or Messaging System

Search Functionality

Payment Gateway Integration

Geolocation and Maps Integration

Multi-Language and Localization Support

Analytics and Performance Tracking

Responsive and Adaptive UI

Security Features

Why Choose Trango Tech As Your Mobile App Development Company Seattle

We are strategic partners committed to helping your app succeed. Our Seattle app developers present technical expertise with creative thinking to deliver feature-rich, high-performing mobile apps that drive business growth.

Proven Industry Experience

With 20+ years of experience in custom app development in Seattle, we have successfully delivered apps for startups, mid-sized companies, and global enterprises.

User-Centric Design Approach

Our design team focuses on creating intuitive, engaging mobile interfaces that enhance usability and encourage user retention.

Comprehensive Development Solutions

We offer all-inclusive mobile app development solutions that handle every stage of the process and deliver a hassle-free experience for our clients.

Agile Development Process

We follow agile methodologies to keep projects flexible and collaborative. Clients can easily have full visibility into timelines and deliverables.

Strong Data Security

Our app developers Seattle implement industry-standard security protocols, including data encryption, secure user authentication, and API protection.

Client-Centric Collaboration

We treat our clients as partners. Our team takes time to understand your goals, challenges, and vision for numerous business needs.

100+ Client Reviews That Prove Our Results-Driven Approach

Client satisfaction is the foundation of our success. We’re proud to share what they have experienced while working with us, real results, consistent support, and products that deliver value.

Explore Our Affordable Mobile App Development Pricing Plans

Every app idea is unique and so is our approach to pricing. Our mobile app development cost plans adapt to your app’s size, technology stack, and timeline. Generally, the mobile app development cost ranges from $5,000 to $100,000.

Let’s have a quick look at the app development pricing packages:

Basic App

$5K - $30K

This basic plan includes all the essentials, including an intuitive user interface, core functionality, responsive design, professional UI/UX, and support for third-party integrations.

Mid-Level App

$40K - $60K

The standard plan offers advanced features, comprehensive UI/UX design, and built-in app analytics. It also covers third-party integrations like CRM systems and cloud storage.

COMPLEX APPS

$70K - $100K

The complex plan includes features from the basic and standard plans, along with advanced functionalities, and modern tech like AI, IoT, and strong backend infrastructure.

Tell us what you have in mind, or use our app development cost calculator to find the right solution for your budget and timeline.

Request a quote!

Our Partners and Customers Who Compel Us To Become Better

Trango Tech has partnered with the likes of Microsoft, Amazon, Google, and other top technology leaders to bring the most advanced technology to our customers.

Have Questions?

Get in Touch Now

Submit your details, and our expert team will reach out to you shortly to discuss.

Got a Billion-Dollar App Idea?

We’ll help you define your app strategy, choose the right tech stack, and build a roadmap to launch.

Let’s Get to know you

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    Get Answers to Your Queries Here!

    Trango Tech offers comprehensive app development services in Seattle that cater to startups, mid-sized businesses, and enterprises. Our services include native iOS and Android app development, cross-platform solutions using Flutter and React Native, custom UI/UX design, backend development, app testing, deployment, and post-launch maintenance.

    The cost of mobile app development depends on the complexity and specific features of your project. If you’re going for startup app development Seattle with a few core functions, prices typically start around $5,000 to $30,000. For apps that require more advanced functionality like user logins, real-time chat, payment gateways, or custom APIs, you can expect it between $35,000 to $60,000. If you’re looking for modern technologies, the cost may range from $70,000 to more.

    Yes, we are well-versed in cross-platform app development services in Seattle using frameworks like React Native and Flutter. It allow us to create apps that work perfectly across both iOS and Android from a single codebase.
    If you’re a startup or an established business, we can help you launch a consistent and feature-rich app across platforms, ensuring perfect alignment with your brand and functionality goals. If you’re looking for a Seattle app design and development expert, Trango Tech is a great choice to pursue.

    The timeline for building a mobile app really depends on your app’s complexity and features. A basic app might take 8-12 weeks. If you’re going for a more customized one with integrations, animations, or backend dashboards can stretch to 4-6 months. We keep you in the loop from day one, with clear milestones and transparent updates.

    Absolutely! We’ve had a privilege of working with several Seattle-based startups and enterprises across numerous industries, including healthcare, logistics, fintech, and on-demand services. If you’re helping a startup launch its first MVP or collaborating with an established enterprise to scale their mobile presence, our app development agency Seattle is proud to support the diverse tech sector. Our local partnerships have given us deep insight into the challenges of Seattle businesses, and help us deliver solutions that deliver value to the market.
    Are you searching for top mobile app development companies Seattle? Partner with Trango Tech to build a strong foothold in the market.

    Our mobile application development Seattle entails advanced technologies to build high-performance mobile apps. Our tech stack includes platforms like Flutter, React Native, Swift, Kotlin, and Java for mobile development. On the backend, we work with Node.js, Python, Ruby on Rails, and .NET, based on the project requirements. We also integrate advanced tools like AI, ML, IoT, and cloud services (AWS, Google Cloud, Azure) to ensure your app is scalable, secure, and future-ready.