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Mobile Development at The Gnar

Mobile Apps That Move Fast & Scale Faster

Your mobile app isn’t just another product. It’s a critical touchpoint between your brand and your users.

Have a mobile app idea? Let’s build it together.

Native & Cross-Platform DevelopmentiOSOnboardingMessagingPaymentsAndroidOnboardingMessagingPaymentsReact NativeA single, scalable codebaseExpoCI/CDCloud-based backendsMobile and web applicationsNode.jsPythonRuby on RailsDataNative & Cross-PlatformiOSOnboardingMessagingPaymentsAndroidOnboardingMessagingPaymentsReact NativeA single, scalable codebaseExpoCI/CDCloud-based backendsMobile and web applicationsNode.jsPythonRuby on RailsData

The Gnar builds high-quality, bug-free mobile applications that scale with your business, with production-ready code delivered in Week 1.

Fixed milestone price

Any overage on us

Guaranteed outcome

The software works as specified or we fix it

Twelve-month bug-free warranty

Three commitments on every build engagement

What changes

The right technology ensures your mobile app is fast, scalable, and built to last.

Your mobile appSign-inThird-partyPaymentProcessedYour systemsSame dataCRMSyncedERPSyncedSync
Your mobile appSign-inThird-partyPaymentProcessedSyncYour systemsSame dataCRMSyncedERPSynced

Connected to your systems

Whether you need to sync data, enable third‑party logins, or connect with CRMs, ERPs, or payment processors, Gnar Integrate keeps you connected.

Your appA single, scalable codebaseReact NativeFastExpoDeploysiOSNative-likeLiveAndroidNative-likeLiveBuildBuild
Your appA single, scalable codebaseReact NativeExpoBuildBuildiOSAndroidNative-likeNative-like

Native & Cross-Platform Development

Looking to launch on both iOS and Android quickly and cost‑effectively? We build mobile apps with a single, scalable codebase that delivers a native‑like experience across platforms.

Mobile appMobile applicationsWeb appWeb applicationsBackendScales with your businessRuby on RailsNode.jsPython
Mobile appLiveWeb appLiveBackendScales with your businessRuby on RailsNode.jsPython

Full-Stack Mobile & Web Development

A high-performing mobile app needs a robust backend that scales with your business. We build end-to-end solutions that power both mobile and web applications.

Test-Driven DevelopmentPassedAutomated testingPassedPeer code reviewIn progress
Test-Driven DevelopmentPassedAutomated testingPassedCode reviewIn progress

Tested before it ships

We follow Test-Driven Development (TDD), automated testing, and peer code reviews to eliminate issues before they reach production.

Two ways in

Which Path Is Right For Your Mobile App?

Still evaluating your mobile approach? Gnar Discovery and Design helps you choose the best tech before development begins.

Gnar Embed

Looking for expert mobile engineers?

Gnar Embed integrates senior developers into your team.

Your teamProductDesignWebBackendDataQAGnar EmbedInto your teamSenior mobile engineersYour development teamTechnical gaps, filledMobile engineersEmbed
Your teamProductDesignWebBackendDataQAGnar EmbedInto your teamMobile engineersYour development teamTechnical gaps, filledMobile engineersEmbed
Build

Need a team to build and launch your app?

Our Build phase delivers high-quality mobile applications, fast.

Your ideaYour mobile appPhase 1Phase 2Phase 3BuildLaunchRefineHigh-quality mobile applications
Your ideaYour appPhase 1Phase 2Phase 3BuildLaunchRefineHigh-quality mobile applications

Proof

Our work

Ruby on Rails

From Concept to 700,000+ Users

20xGrowth
700,000+Users
Read case study

React Native

Driving Customer Engagement with a Custom Mobile and Web App

4Xthe number of users
8,000+users
Read case study

React Native

Delivering Diagnostic Test Results More Quickly and Securely

95%Improvement in Turnaround Time
100%Improvement in Reliability of Results
Read case study
See all our work

How it works

How We Build High‑Performance Mobile Apps

We follow a strategic three-step process to ensure your app is built with the right tech, the right architecture, and the right execution.

Choose the best platformBefore writing a single line of codeNative iOSAndroidReact Native
Choose the best platformBefore writing any codeiOSAndroidReact Native
Step 1 · Discovery, 2 to 6 weeks

Strategic Assessment

We define the best technology stack and development roadmap for your mobile app.

WireframesDoneUser flowsIn progressApp architectureNext
WireframesDoneUser flowsIn progressApp architectureNext
Step 2

Discovery & Design

We create a solid technical foundation before writing a single line of code.

CI/CD pipelineDonePerformanceDoneSecurityIn progress
CI/CD pipelineDonePerformanceDoneSecurityIn progress
Step 3

Execution & Optimization

We build, launch, and continuously refine your mobile app for long‑term success.

Our record

Why Gnar?

Common questions

Frequently asked questions

Still have questions?

How do I know if I should build a native or cross‑platform app?

It depends on your goals. Native apps (Swift for iOS, Kotlin for Android) offer the best performance, while React Native allows for faster development with a single codebase. Discovery helps you determine the right approach before you commit.

Can The Gnar integrate my mobile app with existing systems and APIs?

Absolutely. Whether you need to sync data, enable third‑party logins, or connect with CRMs, ERPs, or payment processors, Gnar Integrate keeps you connected.

How does The Gnar ensure mobile app scalability?

We architect apps with modular, cloud-based backends (AWS, Firebase, or Google Cloud) and optimize performance for high user loads. Our CI/CD pipelines allow for smooth, zero-downtime updates.

What if I already have a development team but need mobile expertise?

We can help. Gnar Embed integrates our senior mobile engineers directly into your team, filling technical gaps and accelerating your development timeline.

How does The Gnar prevent mobile app bugs and crashes?

We follow Test-Driven Development (TDD), automated testing, and peer code reviews to eliminate issues before they reach production. Plus, we back our work with a 12-month bug-free warranty.

How long does it take to build a mobile app with The Gnar?

With our agile development process, we deliver production-ready code in Week 1. Most MVPs take 4-6 months, but timelines vary based on complexity. Our Build phase ensures a smooth, fast launch.

Strategic AssessmentYour mobile app, mapped before it is builtUser needsGoalsMarket fitPlatform
Strategic AssessmentMapped before it is builtUser needsGoalsMarket fitPlatform

Start here

Ready to Build That Mobile App?

The market is waiting for you to bring that big idea to life. Let’s get to work.

Schedule a Free Consultation

Let’s Talk

Contact Us

Tell us what you’re trying to build or fix.