🍎 iOS Native πŸ€– Android Native βš›οΈ React Native πŸš€ 4.8β˜… Avg Rating
Mobile Development

Apps Users Open
Every Single Day.

Native iOS and Android apps, and cross-platform React Native solutions that feel premium on every device. From MVP to enterprise-grade β€” we've shipped 200+ apps with a combined 50M+ downloads.

200+
Apps Shipped
50M+
Total Downloads
4.8β˜…
Avg App Store Rating
3
Platforms Mastered
What We Build

Mobile Solutions for Every Platform

Whether you need a consumer app for millions, an enterprise tool for your team, or a cross-platform MVP β€” we have the expertise to deliver.

01
🍎

Native iOS Development

Swift and SwiftUI apps optimised for iPhone, iPad, and Apple Watch. Smooth 120Hz animations, ARKit integrations, and App Store review expertise.

02
πŸ€–

Native Android Development

Kotlin apps following Material You design β€” optimised for 10,000+ device configurations via automated compatibility testing on our real device farm.

03
βš›οΈ

React Native / Flutter

Cross-platform code sharing up to 90% between iOS and Android β€” with native modules for camera, biometrics, payments, and push notifications.

04
πŸ’³

Fintech & Payment Apps

PCI-DSS compliant payment flows, Stripe/PayU/Razorpay integration, biometric authentication, and Bank-grade TLS encryption for financial applications.

05
πŸ₯

Healthcare & HIPAA Apps

Telemedicine, EHR integrations (HL7/FHIR), wearable data sync (Apple HealthKit, Google Fit), and HIPAA-compliant data architecture.

06
πŸ“Š

Enterprise & B2B Apps

Offline-first field service apps, MDM-ready enterprise distribution, SSO (SAML/OAuth), and deep integration with SAP, Salesforce, and Microsoft 365.

Our Process

MVP in 12 Weeks or Your Money Back

Week 1–2

Discovery & UX Design

User research, persona mapping, information architecture, wireframes, and high-fidelity Figma designs approved before coding starts.

Week 3–10

Agile Build

Two-week sprints with weekly demo builds on TestFlight / Play Internal Track. Automated Detox + XCTest suites run on every PR.

Week 11–12

QA, Launch & Growth

Regression testing, App Store / Play Store submission, ASO optimisation, performance monitoring with Firebase, and 90-day post-launch warranty.

Why Gleyon

Apps That Pass Apple & Google Review First Time

Our 12-year App Store track record means we know every review guideline pitfall. We've never had an app rejected for policy violations β€” only for rare edge cases we fix within 48 hours.

  • Dedicated iOS + Android engineers (separate specialists, not one generalist)
  • Real device testing on 50+ physical devices before submission
  • Automated Detox + XCTest UI test suites in every PR
  • Firebase analytics + Crashlytics monitoring from day one
  • App Store & Play Store submission handled by us
  • Source code ownership transferred at project completion

Technology Stack

🍎 SwiftπŸ€– Kotlin βš›οΈ React Native🐦 Flutter πŸ”₯ FirebaseπŸ’³ Stripe πŸ—ΊοΈ Google MapsπŸ’¬ Twilio πŸ“Š GraphQLπŸ” Auth0 πŸ§ͺ DetoxπŸ“ˆ Amplitude

Have an App Idea?
Let's Validate It in 48 Hours.

Share your concept and we'll produce a free technical scoping document β€” platform recommendation, MVP feature set, timeline, and fixed-price estimate.

Get a Free App Scoping β†’