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Emerald Studio

Always innovating

Custom software, mobile app and web development since 2014.

Services

  • Mobile App Development
  • Website Design
  • Scalable Digital Product Development
  • eCommerce Creation

Company

  • About
  • Portfolio
  • Blog
  • Contact

Offices

  • St. Petersburg, FL, USA

    7901 4th Street North Suite 13534

    +1 845 363 0053
  • Bogotá, Colombia

    Calle 93A #13-24, Piso 5

    +57 304 633 0822
  • San José, Costa Rica

    Bambú Rivera Business Center, Oficina B413

    +506 7112 6916
Partnerships & CertificationsTop App Development Company — ClutchTop React Development Company — ClutchGoogle Cloud Partner

© 2026 Emerald Studio S.A.S. All rights reserved. · info@emerald.studio

Mobile App Development | iOS & Android | Flutter, React Native, Native

Professional iOS and Android apps built with Flutter, React Native, or native code. Push notifications, social authentication, GPS integration, offline modes, and scalable backends.

About this service

We develop mobile applications that create memorable user experiences. Whether it's a logistics app (ParcelCR), marketplace, enterprise tool, or consumer app, we build fast, intuitive apps optimized for conversion. Native apps for maximum performance, or cross-platform when speed-to-market is critical.

Success case:ParcelCR: logistics app with real-time GPS tracking, order management, push notifications, and driver/customer apps (iOS & Android). Result: 30% user increase year 1, now a market leader.

What's Included in Mobile App Development

A complete mobile app includes app development, backend integration, store publication, and ongoing support. Here's what makes a successful mobile app:

What's Included in Mobile App Development

iOS Development (Swift/SwiftUI)

Native iOS apps using Swift and SwiftUI. Direct access to phone features: GPS, camera, biometrics, Bluetooth. App Store certified. Offline support, push notifications, and integration with iOS ecosystem services.

Android Development (Kotlin)

Native Android apps using Kotlin and Jetpack libraries. Full access to Android device capabilities. Google Play certified. Material Design compliance, push notifications via FCM, and real-time data synchronization.

Cross-Platform (Flutter/React Native)

Single codebase for iOS and Android using Flutter or React Native. Faster development, lower costs, shared business logic. Choose when time-to-market is priority or resources constrained.

Backend Integration & APIs

Connection to production APIs. Real-time data sync, authentication (OAuth 2.0, JWT), payment processing integration, file uploads, and third-party service connections.

Push Notifications & Messaging

User engagement through timely, targeted notifications. Firebase Cloud Messaging (FCM) for Android, Apple Push Notification (APNs) for iOS. Segmented campaigns and analytics.

Social Login & Authentication

Seamless user signup via Google, Facebook, Apple ID. Reduces friction, increases conversion. Combined with secure password authentication for alternatives.

Why Choose Professional Mobile Apps

Mobile apps are the heart of modern business. Get one built to win.

Why Choose Professional Mobile Apps

Native performance that feels instant

Direct access to device capabilities (GPS, camera, biometrics)

Offline functionality for always-on users

Push notifications for engagement and retention

App Store/Google Play presence builds brand credibility

Cross-platform option (Flutter) for rapid global launch

Monetization through in-app purchases and subscriptions

Analytics-driven optimization based on user behavior

Social authentication for frictionless signup

Secure authentication protecting user data

Mobile App Technologies

We use industry-leading tools and frameworks. Choose based on your unique needs.

Mobile App Technologies

Types of Apps We Build

We have expertise across diverse app categories:

Logistics & Delivery

Real-time tracking, route optimization, proof-of-delivery, driver management

E-commerce & Marketplace

Product browsing, secure checkout, order tracking, reviews and ratings

On-Demand Services

Service booking, provider matching, payment processing, ratings

Financial & Banking

Secure authentication, transaction history, payment processing, compliance

Healthcare & Fitness

Appointment booking, telemedicine, health tracking, prescription management

Social & Community

User profiles, messaging, real-time notifications, social features

Mobile App Success Cases

Real apps in production, solving real business problems.

ParcelCR - Logistics App
AppDashboardComplete Solution

ParcelCR - Logistics App

We developed a mobile application for ParcelCR, a logistics company in Costa Rica. The app allows users to track shipments in real-time, manage orders, and receive automatic notifications about delivery status. Thanks to this solution, ParcelCR has established itself as a leader in the logistics market, improving customer experience and increasing its user base.

Results:

  • Delivery in 3 months
  • Mobile application for customers
  • Mobile application for couriers
  • API integration with third-party systems
  • Scalable backend on Google Cloud
  • Administration dashboard
  • 30% increase in user base in the first year
Zendor - eSIM and eGift Cards eCommerce
eCommerceAppComplete Solution

Zendor - eSIM and eGift Cards eCommerce

We created an eSIM and eGift Cards platform for Zendor, a telecommunications company. The platform allows users to purchase eSIMs and eGift Cards easily and securely, with integration with multiple service providers. This solution has allowed Zendor to expand its digital product offerings and improve customer experience, consolidating its position in the telecommunications market.

Results:

  • Mobile application for customers
  • Integration with multiple service providers
  • Expansion of digital product offerings
  • Stripe integration for payments
  • Platform launch in 6 months
  • 25% increase in eSIM and eGift Card sales in the first year

FAQ

Frequently asked questions

How much does a custom mobile app cost?

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Simple apps ($15K-30K USD), medium apps ($40K-120K USD), complex apps ($150K+). Cost depends on features, integrations, and platforms (iOS, Android, or both). Costs vary by country—lower in Colombia/Costa Rica, higher in USA.

React Native or native (Swift/Kotlin)?

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We recommend native for maximum performance and app store compliance. React Native or Flutter if you need rapid MVP and cost-effective multi-platform deployment. We evaluate based on your priorities: long-term performance vs time-to-market.

How long to launch an app?

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MVP in 6-8 weeks. Apps with more features, 12-16 weeks. App Store review: 1-2 weeks for Apple, 2-4 hours for Google Play. Total: budget 4-5 months from start to live stores.

Do you include post-launch support?

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Yes. 3 months of maintenance and support included. After that, we offer monthly plans ($2K-5K USD) for iOS/Android updates, bug fixes, and new feature development.

Does the app include push notifications?

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Yes, push notifications are standard. We integrate Firebase (Android) and APNs (iOS). We can segment users, schedule campaigns, and track engagement.

Can I use social login (Google, Facebook)?

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Absolutely. Social authentication is recommended—faster user signup, higher conversion. Google, Facebook, Apple Sign-In all supported. Also includes traditional email/password.

Do you deliver the source code?

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Yes, complete source code, git repository, build configs, and API documentation included. Full ownership transfer. You can continue development with any team or modify endlessly.

Who owns the app and intellectual property?

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You do. Complete IP ownership transfer. We sign agreements confirming you own the app, code, and all IP. Emerald Studio has zero ownership claims. Perfect for selling or licensing your app.

Do you sign NDAs?

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Yes, immediately and happily. We sign NDAs before discussing any project details. Confidentiality is guaranteed. All your business ideas, features, users, finances—completely confidential.

Turn your idea into a successful app

Tell us your idea and receive a personalized proposal.