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Mobile App Development

Custom Mobile App Development Company for iOS & Android

We design, build, and launch secure, scalable mobile apps, from MVP to full-scale product. Native iOS and Android, Flutter, and React Native.

  • 250+ products built for 400+ clients
  • Dedicated team of designers, developers, and QA
  • Full ownership of your code and IP
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400+clients across 20+ countries
$300M+in funds generated
250+products built
1,500+engineers worldwide
400+clients across 20+ countries
$300M+in funds generated
250+products built
1,500+engineers worldwide
400+clients across 20+ countries
$300M+in funds generated
250+products built
1,500+engineers worldwide
400+clients across 20+ countries
$300M+in funds generated
250+products built
1,500+engineers worldwide
Custom Engineering

Custom Mobile App Development for Scalable Digital Experiences

At Quecko, we develop custom mobile applications for businesses across different industries. Our solutions combine intuitive user experiences, secure architecture, backend integrations, and reliable performance to support modern mobile products from development to deployment.

Native iOS & Android
Flutter & React Native
Secure Cloud & APIs
Mobile Portfolio

What We Build

Real-world mobile applications designed and engineered from concept to App Store and Google Play release.

Diet and Cheat Meal App
iOS & Android (Flutter)

Diet and Cheat Meal App

| Fitness & Nutrition | iOS & Android (Flutter)

The problem: Nutrition clients struggled to balance structured diet plans with real-life eating habits outside the gym.

What we built: An interactive nutrition companion with custom macro goals, cheat day tracking, and real-time coach feedback.

Result: 4.8★ store rating, 10,000+ active users, launched in 8 weeks.

Apple iOS App StoreAndroid Google PlayView case study
Quick Grocery
Native iOS & Android

Quick Grocery

| On-Demand E-Commerce | Native iOS & Android

The problem: Shoppers experienced sluggish checkout flows and inventory synchronization delays during peak hours.

What we built: A high-speed delivery app featuring 6,000+ live product SKUs, automated courier dispatch, and one-tap checkout.

Result: 60% faster checkout speed, 99.9% uptime, 15-minute dispatch scale.

Apple iOS App StoreAndroid Google PlayView case study
TapSpace
Cross-Platform

TapSpace

| Gaming & Community | Cross-Platform

The problem: Casual gaming platforms faced steep user drop-off during complex onboarding experiences.

What we built: An engaging mobile game with intuitive tap mechanics, daily quest loops, and real-time social leaderboards.

Result: 100,000+ players onboarded, 65% day-7 retention rate.

Apple iOS App StoreAndroid Google PlayView case study
Services

Mobile App Development Services

Full-lifecycle capabilities tailored to your timeline, tech stack, and user expectations.

Swift iOS Development
Swift / SwiftUI

iOS Development

Native Swift apps built for speed and the Apple ecosystem.

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Android Development
Kotlin / Jetpack

Android Development

Native Kotlin apps that work across devices and screen sizes.

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Flutter Cross-Platform
Flutter & React Native

Cross-Platform (Flutter / React Native)

One codebase, both stores, faster and more cost-efficient.

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Figma UI/UX Design
Mobile UI / UX

UI/UX Design

Interfaces and flows tested before development starts.

Full-Cycle Delivery
Node.js Backend & API Integration
APIs & Cloud

Backend & API Integration

Servers, databases, payments, and third-party services.

Full-Cycle Delivery
Google Play & App Store Launch
App Store & Play

App Store Launch

Submission, review handling, and release management.

Full-Cycle Delivery
Ongoing Support

Maintenance & Scaling

Updates, bug fixes, and new features after launch.

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Process

How We Work

A disciplined, transparent delivery framework designed to ship high-quality mobile products without surprises.

01about 3-5 days

Discovery

Goals, target users, technical scope, and a written estimate.

021-2 weeks

Design

Wireframes and clickable prototype for your approval.

034-8 weeks

Development

Sprints with regular demos on an installable test build.

04Continuous

Testing & QA

Device testing, performance, and security checks.

05Release

Launch

App Store and Google Play submission and release.

06Ongoing

Support & Growth

Monitoring, updates, and new features after launch.

Most MVPs launch in 6 to 8 weeks.

Engineering Standards

Why Work With Us

Honest recommendations, transparent communication, and complete ownership of your intellectual property.

01

Native and cross-platform expertise

We recommend the stack that fits your product and budget, not the one we prefer.

02

Security built in

Encrypted data, secure authentication, and pre-release security testing.

03

Clear communication

One point of contact, weekly updates, and a shared project board.

04

You own everything

Source code, designs, and developer store accounts are yours.

05

Transparent estimates

A fixed scope and milestones before development starts.

06

Support after launch

Maintenance plans and OS update support.

Collaboration

Engagement Models

Pick the commercial model that best matches your project clarity, timeline, and internal resources.

Predictable

Fixed-Scope Project

Best for a defined MVP

Clear deliverables, fixed pricing, and predetermined milestones. Perfect for validating your product-market fit with predictable budgets.

Full Focus

Dedicated Team

Best for ongoing product development

A dedicated squad of engineers, UI/UX designers, and QA engineers working as a seamless extension of your company.

Flexible

Time & Materials

Best when requirements will evolve

Maximum sprint flexibility to pivot features, iterate on user feedback, and scale engineering capacity up or down.

Not sure which fits? We'll recommend one in your free consultation.

Domain Experience

Industries We Build For

Mobile applications customized around industry regulations, user behavior, and commercial workflows.

E-Commerce

Fast shopping experiences, personalized catalogs, one-tap mobile checkout, and real-time inventory synchronization.

Healthcare

Patient appointment scheduling, secure telehealth, medication tracking, and privacy-compliant health workflows.

SaaS & On-Demand

Companion mobile clients, booking systems, dispatch automation, and real-time push notification workflows.

Enterprise

Internal employee tools, field operations management, inventory scanners, and enterprise SSO integrations.

Fintech

Digital banking, personal finance tracking, secure transaction signing, biometric authentication, and payment gateways.

Social

Community platforms, direct messaging, user activity feeds, creator profiles, and media sharing.

Gaming

Interactive mobile games, gamified reward loops, leaderboards, in-app purchases, and cross-device sync.

Web3

Non-custodial mobile wallets, decentralized app browsers, token transactions, and digital collectibles.

Client Feedback

What Clients Say

Direct feedback from teams who trusted Quecko with their mobile applications.

“Quecko designed and built our mobile app from scratch. The interface is clean, test builds were delivered every sprint, and our App Store and Google Play approvals went through without a hitch.”

Founder & Product Lead

Nutrition & Lifestyle Mobile App • iOS & Android (Flutter)

“Our on-demand grocery app handled thousands of concurrent customers on launch week. Communication was clear, estimates were honored, and their post-launch support has been outstanding.”

Operations Director

On-Demand Delivery App • Native iOS & Android

“The team translated our concept into an intuitive, responsive mobile game with smooth animations and zero launch delay. They truly act as an engineering partner rather than just an agency.”

Creative Producer

Mobile Gaming Ecosystem • Cross-Platform

Project Estimation

Get a Free Project Estimate

Fill out 5 quick details about your mobile app project. Our mobile engineering team will review your requirements and reply within 24 business hours with initial scope and pricing guidance.

250+ products built for 400+ clients worldwide
Dedicated team of senior designers, developers, and QA
100% full ownership of your code, IP, and repository
Strict NDA protection before sharing any project specs
Prefer to Chat? Connect on WhatsApp

Get a Free Project Estimate

Fill out 5 quick details. We’ll reply with scope and price guidance.

We reply within 24 business hours. Your idea stays confidential.

Frequently Asked Questions

Got Questions?
We Have Answers

Clear answers regarding pricing, code ownership, timelines, and technical trade-offs.

Have a question not listed here?Ask us on WhatsApp

Costs depend on platforms, complexity, and scope. A focused Minimum Viable Product (MVP) typically ranges from $10,000 to $25,000. Full-scale applications with custom backend infrastructure, complex integrations, and release on both stores usually range from $25,000 to $50,000+. Key drivers include supported platforms (native vs. cross-platform), third-party APIs, and custom backend requirements.

Most MVPs launch in 6 to 8 weeks. Comprehensive products with extensive custom backends and integrations typically take 3 to 5 months from discovery to store release.

Choose native (Swift for iOS, Kotlin for Android) when your app requires deep platform-specific hardware integration, heavy animations, or complex device features. Choose cross-platform (Flutter or React Native) when you want to launch on both the App Store and Google Play simultaneously with a single codebase, saving 30–40% on initial cost and timeline.

You do. You have 100% full ownership of all source code, design assets, and intellectual property upon milestone payment.

Yes. We sign a mutual Non-Disclosure Agreement (NDA) before any project discussions to keep your idea and proprietary information completely confidential.

Yes. We begin with a code and architecture audit to evaluate code quality, dependencies, and technical debt, then provide a structured roadmap to stabilize, modernize, or scale your app.

Yes. In fact, we recommend starting with a well-scoped MVP. It gets your product into real users' hands faster, keeps initial costs down, and ensures you invest in features driven by real usage data.

Ready to Build Your App?

Tell us about your idea and get a free estimate and recommended approach within 24 business hours.

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