KYPTRONIX

React Native · TypeScript · iOS · Android

React Native App Development Company in USA & Canada

Cross-platform React Native apps that share logic with your web product. Our FleetXpress and healthcare apps were built this way.

  • NDA signed before you share your idea
  • Fixed-price project or dedicated team
  • Working hours that overlap US & Canada
  • Free scope estimate within 48 hours

Get a free app estimate

Tell us about your idea. We reply with scope and price.

Confidential. Free scope estimate within 48 hours.

Certified & reviewed

NASSCOM certifiedCertified
Reviewed on Google
US entity · Middletown, Delaware

Kyptronix by the numbers

600+
Projects delivered
300+
Recurring clients
100+
Businesses served in USA, Canada, UAE & India
2020
Building software since

Who React Native Is Right For

React Native suits businesses that already run React or JavaScript on the web, or want one team to own web and mobile. Business logic, API clients and validation can be shared between platforms, and over-the-air updates let you ship fixes without waiting for app store review. It is how we built FleetXpress's live dispatch app and a healthcare training platform with offline sync.

React Native Development Services

Design, build, test and support for React Native apps on iOS and Android.

Custom React Native Apps

Cross-platform apps with native modules where performance matters.

Offline-First Apps

Local storage and sync engines so apps keep working without signal.

Real-Time Features

Live tracking, chat and dashboards over WebSockets.

Web + Mobile Code Sharing

Shared TypeScript logic between your React web app and mobile app.

App Rescue & Upgrades

Stabilise ageing React Native apps and upgrade to current versions.

React Native MVPs

A fixed-price first version for startups validating an idea.

Learn more

React Native Apps We've Shipped

FleetXpress Logistics app project by Kyptronix

35% better on-time delivery

FleetXpress Logistics

Supply Chain & Transportation

Fleetxpress suffered from systemic blind spots across its logistics network, mainly driven by a complete lack of real-time fleet visibility and an excessive dependence on manual pen-and-paper trip logs. Dispatch coordinators were entirely cut off from drivers once transit began, which caused routing inefficiencies, delayed delivery windows, and unchecked fuel leakages due to prolonged vehicle idling. Furthermore, the absence of an integrated expense framework forced drivers to collect paper receipts for fuel and vehicle maintenance, producing an administrative backlog that delayed customer billing cycles by weeks.

Duration
75 Days
Tech
React Native, Google Maps API, WebSockets
Read case study
HealthCare LMS app project by Kyptronix

42% more monthly active learners

HealthCare LMS

Healthcare | Training & Compliance

Operating in the highly regulated healthcare sector, the client found that standard, off-the-shelf LMS products fell dangerously short of their operational demands. Generic platforms lacked the stringent architectural security protocols required to handle sensitive data under strict HIPAA laws. Furthermore, because healthcare professionals frequently work in high-shielding clinical zones or remote medical wings with spotty internet connectivity, the lack of an offline access mode led to fragmented training records. Administrative teams were also completely overwhelmed by manual tracking, relying on variable processes to verify training status across thousands of staff members, resulting in inconsistent regulatory compliance audits and costly corporate software licensing fees.

Duration
90 Days
Tech
React, React Native, Node.js
Read case study
Eduify app project by Kyptronix

300% more mobile inquiries

Eduify

EdTech | Online & Offline Training

Eduify’s growth was severely throttled by an outdated, rigid static website that failed to deliver a modern user experience. With the vast majority of target students browsing on mobile, the site's poor mobile responsiveness resulted in a steep 68% bounce rate. The platform lacked a distinct conversion funnel and a clear course showcase, making it incredibly difficult for prospects to explore programs, such as their flagship '100% Paid Internship' program. Additionally, the lack of marketing automation meant student inquiry follow-ups were handled entirely manually, creating a massive operational bottleneck and causing the sales team to lose critical leads due to delayed response times.

Duration
30 Days
Tech
HTML5, CSS3, Bootstrap
Read case study

Engagement Models & Pricing

All pricing is in USD. Pick the model that fits your stage; we confirm the exact figure in a written estimate.

Recommended

Fixed-Price MVP

Startups validating an idea

Custom quote

  • Scoped feature list agreed up front
  • UI/UX design and clickable prototype
  • iOS and Android from one codebase
  • App Store and Google Play launch
  • Milestone-based payments

Dedicated Team

Businesses with an ongoing roadmap

Custom quote

  • Developers, designer and QA you direct
  • Two-week sprints with demos
  • Scale the team up or down monthly
  • Weekly KPI and progress reports

Hourly

Audits, fixes and small features

Custom quote

  • Code audits and app rescue
  • Bug fixes and performance work
  • Small feature additions
  • Billed against an agreed cap

Book a Free 30-Minute App Strategy Call

Walk us through your idea. We'll recommend a platform and scope, then send a written estimate within 48 hours. No obligation.

Confidential. Free scope estimate within 48 hours.

Our App Development Process

  1. 11 week

    Discovery

    Goals, users, features and success metrics agreed in writing.

  2. 22–3 weeks

    UX & UI Design

    Wireframes and a clickable prototype you can test before code.

  3. 36–10 weeks

    Development Sprints

    Two-week sprints with a working build to review after each one.

  4. 4Every sprint

    QA & Testing

    Device, regression and performance testing before each release.

  5. 51 week

    Launch

    App Store and Google Play submission, analytics and crash reporting.

  6. 6Ongoing

    Support

    Monitoring, OS updates and new features on a monthly plan.

Our React Native Tech Stack

React NativeTypeScriptNative modules (Swift, Kotlin)Offline sync

Kyptronix vs In-House vs Freelancer

CriteriaKyptronixIn-house teamFreelancer
Time to start1–2 weeksMonths of hiringDays, if available
CostFixed price or monthly teamSalaries, benefits, recruitingLowest rate, hidden rework
Delivery riskContract, milestones, full teamDepends on key hiresOne person, single point of failure
Post-launch supportMonthly support plansIf the team staysAd hoc
Code ownership100% yours under contractYoursDepends on the contract

Why Kyptronix

Systems, not services: we build apps as part of how your business runs and measure them against your numbers.

AI-ready builds

Architecture and data structured so AI features can be added without a rebuild.

KPI reporting

Every project tracks the business metric it was built to move, not just tickets closed.

US contract

Contract with Kyptronix LLP, a US entity in Middletown, Delaware.

You own the code

Full source code, IP and credentials handed over at launch.

Time-zone overlap

Calls, demos and support during US and Canadian business hours.

Fixed-price clarity

Scope and price agreed up front, paid by milestone.

What Our Clients Say

Kyptronix didn't just hand us an app. They completely digitized our operational workflow. Being able to track our entire freight distribution live and automate driver expense logging offloaded an immense administrative burden from our coordinators and immediately brought down our fuel expenses.
Logistics Operations Director, FleetxpressRead case study
Off-the-shelf software couldn't pass our internal compliance review, but Kyptronix built exactly what our medical network needed. Our clinical staff can now complete mandatory compliance modules on the go, even from basement triage zones without cellular reception, and our compliance reporting is now fully automated.
Director of Clinical Education & StrategyRead case study
Currently working with this company, I am having a great experience and am very glad I have found a company that cares about our project. They are communicative and work hard to make sure we achieve our goals.
Andrew SandersGoogle review
Kyptronix has a level of quality service and support for their clients’ needs that truly exemplifies “team”. I would definitely recommend people with like minds to connect and support this organization. Thanks for all you do!!!! Teamwork makes the dream work!!! Happy holidays Guys!!!
Donta HGoogle review
I recently had the pleasure of working with KYPTRONIX LLP , and I must say it was an exceptional experience. From start to finish, their team demonstrated a high level of professionalism and expertise in providing IT solutions.
Ashim BhadraGoogle review
Read all Google reviews

React Native App Development FAQs

Yes. React Native's New Architecture removed the old JavaScript bridge bottleneck, and we use it in production for apps like FleetXpress's live dispatch system.

Still have questions? Call us: +1 (289) 648-1051

Ready to Build Your React Native App?

Tell us about your project and get a free scope estimate within 48 hours.

+1 (289) 648-1051

Confidential. Free scope estimate within 48 hours.