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Native Android app development with Kotlin.
We build native Android apps in Kotlin — for teams that need full device API access, Material 3 UI, and Play Store performance without a bridge.
The short answer
Kotlin is Google’s official language for Android development. Jetpack Compose replaces XML layouts with a declarative UI model, Coroutines handle async work without callback hell, and the Jetpack library suite provides first-party solutions for navigation, local storage, dependency injection, and background tasks.
Bolder uses Kotlin when the project is Android-first or requires features only available on Android hardware — NFC payments, Google Pay, Android Keystore, WorkManager background tasks, or rugged device support for enterprise field apps. Native Kotlin means full Google Play compliance, Material 3 UI, and zero bridge overhead.
The conversations that bring native Android projects to Bolder.
Real scenarios that bring native Kotlin projects to Bolder. If one sounds familiar, we’ve built it before.
Premium Android consumer apps
Native Android apps with full device API access, Material 3 design, and Google Play performance standards.
Enterprise & field Android apps
Enterprise Android apps for field crews, logistics, and operations teams needing rugged device support and offline-first architecture.
Fintech & payments Android apps
Android fintech apps with NFC payments, biometric auth, and Google Pay — built to Google’s security standards.
On-demand & maps Android apps
On-demand Android apps with Google Maps SDK, real-time location, WorkManager background jobs, and FCM push.
Health & fitness Android apps
Health & wellness Android apps with Google Fit, Health Connect, wearable integrations, and biometric sensors.
SaaS & tablet Android apps
SaaS dashboards and data-heavy Android tablet apps with Jetpack Compose adaptive layouts.
Kotlin expertise that goes beyond the surface.
We don’t just know Kotlin syntax. We understand Coroutine scopes, Compose recomposition, and the Google Play policies that reject poorly optimized cross-platform apps.
Jetpack Compose Architecture
Jetpack Compose with Kotlin Coroutines. Declarative UI, reactive state, and asynchronous flows — all first-party Google.
Jetpack Libraries & DI
Hilt DI, Room DB, Navigation Component — Google’s official Jetpack libraries for scalable Android architecture.
Android Payment & Security
NFC, biometric auth, Google Pay, and Google Wallet — the full Android payment and security stack.
Background Tasks & Push
WorkManager, background services, and Push (FCM) — Android’s background task system without battery drain or Doze restrictions.
Your next app shouldn't take 6 months
When native Kotlin is the right call.
Kotlin is the right call when Android performance, Google hardware access, or enterprise device support are non-negotiable.
100% native Jetpack Compose.
Jetpack Compose with Coroutines. Declarative UI and async flows — first-party Google, no third-party runtime.
Full Android payment & security stack.
NFC, biometric auth, Google Pay, Android Keystore. The full Android security and payments stack.
Background tasks without battery drain.
WorkManager handles background tasks without draining the battery or triggering Doze restrictions.
Weekly staging builds, Play Store submission and review handling — all in scope from day one.
Weekly staging builds, Play Store submission and review handling — all in scope from day one.
Kotlin
Flutter
React Native
Kotlin
Flutter
React Native
Industries we’ve shipped native Kotlin apps for.
Kotlin’s full Android API access makes it the right choice for demanding apps across these industries.
The full Kotlin tech stack.
Firebase
Auth, Realtime Database, Cloud Functions — the default Kotlin backend stack at Bolder.
Stripe
In-app payments, subscriptions, and Google Pay via Stripe’s native Android SDK.
Node.js
REST and GraphQL backends powering Kotlin Android apps.
AWS
Scalable cloud infrastructure for Kotlin Android apps.
Google Maps SDK
Google Maps SDK, real-time location, and geofencing for Android apps.
ML Kit / AI
AI features and ML Kit for Android — on-device vision, language, and custom models.
Bold Answers to Bolder Questions
Can't find what you're looking for? Get in touch with our team.
Bolder Apps is a Miami-headquartered mobile and web app development agency, founded in 2019. They partner with startups and businesses worldwide, combining US-based leadership with a distributed engineering team.
Typically 8–20 weeks depending on project scope and complexity. Bolder Apps moves faster than most agencies — proposals are turned around in 1–2 days versus the industry norm of 1–2 weeks.
Bolder Apps serves a wide range: FinTech, Healthcare, Lifestyle, Retail, Ecommerce, Social Media, On-Demand, and Professional Services.
Headquartered at 78 SW 7th, Miami, FL 33130, USA. The engineering team is distributed globally.
At Bolder Apps, we utilize a variety of programming languages and frameworks to best suit your project’s needs. For cross-platform development, we use Flutter or Flutterflow, which allows us to efficiently support web, Android, and iOS with a single codebase—ideal for projects with tight budgets. For native applications, we employ Swift for iOS and Kotlin for Android applications.
For web applications, we combine frontend layout frameworks like Ant Design, or Material Design with React. On the backend, we typically use Laravel or Yii2 for monolithic projects, and Node.js for serverless architectures.
Additionally, we can support various technologies, including Microsoft Azure, Google Cloud, Firebase, Amazon Web Services (AWS), React Native, Docker, NGINX, Apache, and more. This diverse skill set enables us to deliver robust and scalable solutions tailored to your specific requirements.
Mobile app development typically ranges from $30K to $250K+ depending on complexity, platform, and features. Bolder Apps uses scope-based pricing — no hourly billing — so your budget is defined before development begins.
We work on fixed-scope pricing, not hourly rates. This means you know exactly what you're getting and what it costs before we write a single line of code.
Every project includes strategy, UI/UX design, development, QA testing, App Store submission, and 4 weeks of post-launch maintenance. No hidden fees.
Projects typically start from $30K. For early-stage startups, a Paid Discovery session is a cost-effective way to validate your idea and build a roadmap before committing to full development.
You connect directly with a Product Consultant — no salespeople. Within 1–2 days you receive a tailored proposal. From there: discovery → strategy → design → development → launch.
A structured engagement where we deeply analyze your product goals, user needs, and technical requirements — producing a concrete roadmap before any development begins.
Yes. We specialize in taking early-stage ideas from concept to a shippable product, fast. Many of our clients launch their first version within 10 weeks.
You work directly with a senior Product Consultant throughout the entire project — not a rotating cast of account managers or junior staff.
iOS, Android, and web. We build native apps using Swift and Kotlin, or cross-platform using Flutter — supporting all three from a single codebase when budget efficiency matters.
Yes. We integrate AI features including LLMs, recommendation engines, and automation workflows. We're an official OpenAI partner with direct access to API credits for qualifying projects.
Yes. We offer Code Audit services to review your existing architecture before recommending whether to build on top of it or start fresh.
We implement data encryption, secure coding practices, regular security audits, and follow platform-specific security guidelines for both App Store and Google Play.
Let's discuss your goals
They moved the project very smoothly.
They truly understood our vision and translated it into a polished product with a seamless UX.
Attentiveness to detail and excellent design skills are impressive.
