React Native Development Company for iOS and Android Apps
Citrusbug is a React Native development company that builds, upgrades, and maintains cross-platform apps for startups and growing businesses. One TypeScript codebase ships to the App Store and Google Play. Every build runs on the New Architecture from the first commit, and the backend, release pipeline, and source code are handed over to your team.
500+
Projects Delivered
98%
Client Retention
Trusted React Native Development Company by
ISO 27001
SOC 2
HIPAA
Trusted React Native Development Company by
Certifications and Accreditations
When React Native Is the Right Call for Your App
Two native codebases means two teams and two release schedules. A feature can land on iOS three weeks before Android because the Kotlin developer was booked elsewhere. For a small business or a funded startup, that split spends budget on duplicated work that users never see.
React Native closes that gap for the large majority of business apps. Booking flows, marketplaces, patient portals, fintech dashboards, and field-service tools share most of their code across both platforms. The honest exceptions are apps whose core value depends on heavy 3D rendering or long-running OS-level background work. If yours is one of them, we will say so during scoping.
React Native closes that gap for the large majority of business apps. Booking flows, marketplaces, patient portals, fintech dashboards, and field-service tools share most of their code across both platforms. The honest exceptions are apps whose core value depends on heavy 3D rendering or long-running OS-level background work. If yours is one of them, we will say so during scoping.
One squad owns both platforms, so keeping features in step across iOS and Android no longer needs coordination between two teams.
Shared TypeScript types, validation logic, and API clients move between web and mobile with little rework.
A single codebase gets a testable build into TestFlight and Google Play internal testing sooner.
EAS Update pushes JavaScript fixes to users without waiting on a store review cycle.
AR-first games and always-on sensor processing may justify writing the core in native Swift and Kotlin.
React Native Development Services We Cover
As a React Native development company, we run every engagement on current releases, TypeScript, and the Expo toolchain where it fits. The app you receive is one your next developer can upgrade without a rewrite.
Custom React Native Application Development
Greenfield iOS and Android apps built on React Native 0.8x with TypeScript, Expo Router or React Navigation, and a state layer sized to the product. Offline-first storage, push notifications, and deep links are scoped in sprint one.
React Native MVP Builds for Early Validation
Launch a working product in weeks through a scoped MVP development track. Core flows, analytics, and crash reporting ship first, so investor demos and early-adopter feedback run on real usage data from day one.
Native to React Native Migration
Existing Swift and Kotlin apps move to React Native screen by screen through brownfield integration. The store listing, user accounts, and ratings stay intact while the shared codebase grows underneath them.
New Architecture Upgrades for Older Apps
Apps stuck on 0.6x or 0.7x are audited for Fabric and TurboModules compatibility. Unmaintained libraries are replaced, and the app moves to a supported release before the next store deadline blocks updates.
Expo and EAS Release Pipelines
We configure EAS Build, code signing, and EAS Update channels so every merge produces signed iOS and Android builds. Critical fixes reach users as over-the-air updates with staged rollouts.
Native Modules in Swift and Kotlin
Some features need Bluetooth LE, background location, biometric auth, or a vendor SDK that has no JavaScript wrapper. For these, we write typed Turbo Native Modules over JSI and ship them inside your app.
AI Features Inside Mobile Apps
LLM chat, document scanning with on-device OCR, voice input, and personalized recommendations wired into React Native screens. API keys stay server-side and responses stream straight to the UI.
Performance Tuning and Ongoing Support
Hermes profiling, FlashList virtualization, bundle size cuts, and crash triage in Sentry improve crash-free sessions and startup time. Monthly dependency updates keep the app within one minor release of current.
Running an App Stuck Behind the Android 16 Deadline?
Google Play now requires app updates to target Android 16 (API level 36) or higher. We'll review your codebase and scope the upgrade.
Check Android ReadinessModernizing Older React Native Apps for Current Releases
A React Native app last upgraded in 2023 may still work, but older dependencies, architecture changes, and new platform requirements can make the next release harder to ship. We modernize existing React Native codebases, including apps inherited from previous vendors, and move them toward a supported release without forcing a full rewrite.
Codebase and Dependency Audit
We map packages against New Architecture support, identify outdated or abandoned libraries, and check native code for legacy patterns. You get a written upgrade plan with effort estimated by module before development starts.
Stepwise Version Upgrades
Large version jumps are handled in manageable stages rather than treated as a single rewrite. Automated tests help catch regressions throughout the upgrade so issues can be addressed before they reach production.
Android 16 and iOS SDK Updates
We address target SDK requirements, edge-to-edge behavior, screen-size changes, and other platform updates alongside the React Native upgrade, with device testing before release.
Previous Vendor Handover
If another team built or maintained the app, we can document the existing setup, resolve missing environment configuration, rebuild CI/CD workflows, and establish a maintainable development process for your team.
Industries We Build React Native Apps For
Healthcare
Patient-facing apps, telehealth, and remote monitoring built through our healthcare app development practice. They include HIPAA-aligned data handling and HealthKit and Health Connect integration.
Fintech
Wallets, lending apps, and trading dashboards with biometric login, certificate pinning, and tokenized payments through Stripe or Adyen, on PCI DSS-aware architecture.
Logistics
Driver and field apps with offline-first sync, barcode scanning, background location, and proof-of-delivery capture that works in weak-signal areas.
EdTech and Marketplaces
Learning apps, booking platforms, and two-sided marketplaces with video, in-app purchases, real-time chat, and push notification journeys.
React Native vs Flutter vs Native Development
Framework choice shapes hiring, cost, and how fast you can ship updates. Picking the right framework matters as much as picking the right React Native development company, and this comparison highlights the practical differences between the three options for a typical business app.
| Factor | React Native | Flutter | Native (Swift + Kotlin) |
|---|---|---|---|
|
Language |
TypeScript / JavaScript |
Dart |
Swift and Kotlin |
|
Codebases to maintain |
One, plus native modules where needed |
One |
Two |
|
UI rendering |
Real platform components via Fabric |
Own engine (Impeller) |
Platform UI |
|
Code sharing with a React web app |
High |
Low |
None |
|
Over-the-air updates |
Yes, via EAS Update |
Third-party tools only |
Store release required |
|
Hiring pool |
Large, overlaps with React web developers |
Growing, Dart-specific |
Split across two specialisms |
|
Best fit |
Business apps, MVPs, React-based teams |
Custom-drawn, animation-heavy UI |
GPU-heavy or deep OS integration |
What Drives React Native App Development Cost
Feature Scope and Screen Count
A 12-screen booking app and a 60-screen marketplace with seller dashboards sit in different budget brackets. Auth, payments, chat, and admin panels each add backend work on top of the mobile screens, so the feature list drives most of the estimate. Discovery trims that list to what launch actually needs.
Backend and Integrations
Apps that connect to an existing API cost less than apps that need a new one. New backend development for auth, business logic, and admin tools can match the mobile effort itself on data-heavy products. Integrations with Stripe, Salesforce, EHRs, or ERPs add to that.
Native Modules and Device Features
Standard camera, maps, and push notifications run on maintained libraries. Custom Bluetooth hardware, background geofencing, or a vendor SDK without React Native bindings needs Swift and Kotlin work. That adds engineering time and extra QA across device models.
Compliance, Security, and Upkeep
HIPAA, PCI DSS, or SOC 2 obligations add encryption, audit logging, and penetration testing to the scope. Post-launch costs cover hosting, monitoring, and yearly SDK updates. Citrusbug includes a free maintenance period after release to cover the first stabilization window.
How Much Does It Cost to Develop a React Native App?
Focused React Native MVPs typically start around $12,000. Multi-role apps with custom backends range from $30,000 to $100,000 or more. Share your scope for a line-item estimate.
Ways to Outsource React Native App Development
Fixed-Price Build
For a defined MVP or first version where scope is settled in discovery.
- Scope and milestones agreed upfront
- Budget set per milestone
- Suited to small business launches
- Change requests estimated separately
POPULAR
Time and Material
For products whose roadmap shifts with user feedback after launch.
- Billed on hours actually worked
- Backlog reprioritized every sprint
- Weekly burn and velocity reports
- Effort scaled up or down monthly
Dedicated Team
For companies that want to hire React Native developers who work inside their own process.
- Engineers join your standups and tools
- Mobile, backend, and QA roles available
- Your team sets priorities daily
- Full source code ownership retained
BUILDING NEXT-GEN SOLUTIONS
Technologies and Platforms We Use
LangChain
Haystack
OpenAI GPT-4
Anthropic Claude
OpenAI GPT-4
Google Dialogflow
Rasa
Vapi.ai
Azure Prompt flow
DALL-E
Stable Diffusion
TensorFlow
Hugging Face Transformers
Amazon Glu
Pandas
Numpy
Redshift
OpenCV
Tesseract OCR
Client Testimonials (We're Rated 4.7 on Clutch)
THE PROJECT
Web & AI Development for Education Company
AI Development, Custom Software Development
Nov. 2024 - Ongoing
THE REVIEW
Their agile way of working, competence, and friendliness are impressive.December 7, 2024
PROJECT SUMMARY:
Citrusbug Technolabs handles a data extraction project for an education company. They're also responsible for managing an AI generation project for the client.
FEEDBACK SUMMARY:
Citrusbug Technolabs has laid out and followed a clear project outline and consistently met deadlines. The team communicates well and demonstrates a strong understanding of the client's vision and goals. Their agile approach, high level of competence, and personable approach stand out.
THE REVIEWER
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THE PROJECT
Custom Automated System Dev for Veteran Medical Co
Generative AI, Application Testing, Custom Software Development
Aug. - Oct. 2024
THE REVIEW
Their communication and ability to capture exactly what I was asking for were impressive.November 14, 2024
PROJECT SUMMARY:
Citrusbug Technolabs built an automated system for a veteran medical company. The system needed to collect and store user data, generate customized letters based on surveys, and use AI to summarize reviews.
FEEDBACK SUMMARY:
Citrusbug Technolabs delivered a functional automated system that successfully organized the client's records and auto-generated statements. The team was quick to respond, addressed all roadblocks, and communicated effectively. Overall, their ability to understand the client's needs stood out.
THE REVIEWER
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THE PROJECT
MVP Development for Freight & Capacity Marketplace
Custom Software Development
$10,000 to $49,999
Jan. 2024 - Feb. 2025
THE REVIEW
They were very calm and talented, and they did bring some of their own ideas.January 28, 2025
PROJECT SUMMARY:
Citrusbug Technolabs has developed an MVP for a freight and capacity marketplace. The team has created three different interfaces for three market segments.
FEEDBACK SUMMARY:
Citrusbug Technolabs has successfully developed an effective MVP. The team has delivered the project on time and almost within budget. Moreover, their responses have been timely. Overall, the team has been calm, talented, and innovative. This has led to the client's satisfaction.
THE REVIEWER
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THE PROJECT
Web & Mobile App Development for Education Company
Custom Software Development, DevOps Managed Services
$10,000 to $49,999
THE REVIEW
What stood out most about them was their personalized approach and sense of ownership in every aspect of the project."February 27, 2024
PROJECT SUMMARY:
Citrusbug Technolabs built a Flutter cross-platform mobile app for an education company. They also developed two web apps and an admin panel and provided DevOps support for the client's infrastructure.
FEEDBACK SUMMARY:
Citrusbug Technolabs' support successfully boosted the client's user engagement by 8x, resulting in an 85% retention rate. The reliable team demonstrated a dedication to delivering on time and promptly responding to concerns and adjustments. Their personalized, client-centric approach stood out.
THE REVIEWER
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THE PROJECT
Mobile App Development for Healthcare Company
Custom Software Development Mobile App Development UX/UI Design
$10,000 to $49,999
June 2023 - Jan. 2024
THE REVIEW
They didn't like the phrase "impossible to do", which made them very solution-oriented.February 19, 2024
PROJECT SUMMARY:
A healthcare company hired Citrusbug Technolabs to design and develop a user-friendly application. The team provided tailored assistance to meet the client's requirements.
FEEDBACK SUMMARY:
Citrusbug Technolabs successfully delivered an application that was ready for market. The team was highly professional and well-organized; they stayed focused throughout the engagement and were receptive to changes. Overall, they stood out for their trustworthiness and commitment to excellence.
THE REVIEWER
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THE PROJECT
Custom Web App Dev & Design for Financial Technology Firm
Mobile App Development UX/UI Design Web Design
Sep. 2023 - Ongoing
THE REVIEW
They're 100% on time and transparent throughout each stage of the project.February 24, 2024
PROJECT SUMMARY:
A financial technology company has hired Citrusbug Technolabs to build a custom web application. The team handles the development and design of the app.
FEEDBACK SUMMARY:
The project is ongoing, but the client has been satisfied with Citrusbug Technolabs' services. The team is very professional — they always respect timelines and provide regular updates to ensure everyone's on the same page. Also, their transparent approach makes them a trustworthy partner.
THE REVIEWER
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THE PROJECT
Staff Augmentation for Singaporean Development Company
Mobile App Development
$10,000 to $49,999
THE REVIEW
"I do believe they are exceptional at where they stand."
PROJECT SUMMARY:
Citrusbug Technolabs took on a mobile app development project for a Singapore-based development house. They were provided with UX designs to execute. Currently, they're finalizing and fine-tuning the product.
FEEDBACK SUMMARY:
Citrusbug Technolabs contributed to the successful launch of the product, which has garnered over 10,000 users in just three months. The product has also received support from investors. They consistently followed-up with their progress and delivered at a speedy rate. The team is truly stellar.
THE REVIEWER
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Why Teams Choose Citrusbug
What Sets Citrusbug Apart as a React Native Development Company
Upgrade-Ready Codebases
Apps ship on the New Architecture with typed modules and pinned dependencies, so moving to next year's React Native release becomes a planned sprint of work.
Mobile and Backend Together
One team owns the React Native app, the APIs behind it, and the cloud setup. That removes the handoff delays between separate mobile and server vendors.
Inherited Projects Welcome
Stalled builds and apps abandoned by a previous agency get audited, stabilized, and shipped, drawing on 13+ years of software delivery across mobile and web.
Your Code From Day One
An NDA is signed before discovery, repositories live in your GitHub or GitLab organization, and you get full source code ownership at delivery. Past clients rate us 4.7 on Clutch.
Delivered Work
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Related Case Studies
Questions Buyers Ask Before Hiring a React Native Team
How much does React Native app development cost?
Focused MVPs from a React Native development company usually start around $10,000. Multi-role apps with custom backends run $30,000 to $100,000 or more. Screen count, integrations, and native modules move the number most.
How long does it take to build a React Native app?
A scoped MVP typically takes 10 to 16 weeks from discovery to store release. Apps with custom backends, payments, and admin panels usually need four to eight months.
Is React Native better than Flutter in 2026?
For business apps and teams already using React on the web, React Native usually wins on code sharing, hiring, and over-the-air updates. Flutter suits heavily custom-drawn interfaces.
Can you upgrade our old React Native app to the New Architecture?
Yes. We audit dependencies, replace unsupported libraries, and upgrade in stages with automated tests at each step. Apps on 0.6x or 0.7x can usually reach a current release without a rewrite.
Is React Native a good fit for a small business app?
Usually, yes. One codebase and one team for iOS and Android lower both build and maintenance cost. Expo's tooling also removes much of the release overhead a small team would otherwise carry.
Do we own the source code?
Yes. Repositories live in your organization from the first commit, and an NDA is signed before discovery. At handover you receive the full source code, credentials, and documentation.
Can React Native handle enterprise-scale apps?
Yes. Meta, Microsoft, and Shopify run large React Native apps in production. Scale depends more on architecture choices such as offline sync, modular navigation, and backend design.
What happens after the app launches?
You can move to an SLA-backed L1 to L3 support plan. It covers crash fixes, monthly dependency updates, OS release testing, and the annual Google Play target SDK update.