Mobile Apps For Startups

Your Investors
expect mobile.
We build it in 55 days.

Don't lose mobile-first users. Build a native app to match your web experience without hiring a team.

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Timeline

Guaranteed 55 Days

Platform

Native iOS & Android

Total Balance

$124,500.00

+2.4% today

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Today, 2:45 PM

-$120.00

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+$4,250.00

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Mon, 8:12 AM

-$24.50

AWS Hosting

Sun, 1:00 AM

-$85.00

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Total Spent

$4,850.25

-12%

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Shopping $1,240

Software $850

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The Native Advantage

Why funded startups invest in mobile.

Don't let a clunky mobile web experience cost you users. Build a native presence that drives growth.

55 Days

Guaranteed Delivery

1 Team

Dedicated Senior Devs

Fixed

Clear Pricing Scope

Web App Limitations

Clunky performance on mobile browsers
Slower load times & no offline mode
Hard to access (no home screen icon)

Native App Experience

Lightning-fast native performance
Direct push notification capabilities
Permanent home screen presence

Our Process

How we work.

55 days from idea to app store, without cutting corners.

Product Strategy

We map out your core features. We define the user journey, core functionality, and technical requirements needed for a successful v1 launch.

Design & Prototyping

We design a beautiful UI. You get a clickable prototype of your app to see exactly how it will look and feel before we write a single line of code.

App Development

We build the native iOS & Android apps. Our team uses modern frameworks to ensure top performance and a codebase that scales with you.

const app = new NativeApp();

app.build({

platforms: ['iOS', 'Android'],

quality: 'High Performance',

timeline: 55 // days

});

Launch & Support

We handle the App Store & Google Play submissions. Plus, we provide handover documentation and support to ensure a smooth transition.

LIVE

Why Quartrex

Why startups work with us.

Agency Estimate

$50k - $80k

Quartrex Guarantee

Fixed Price

Scope Locked

Transparent Costs

Fixed pricing, no surprises.

No endless hourly billing or unexpected invoices. You know exactly what you're paying from day one, allowing you to manage your startup's runway effectively.

Clear Scoping

Zero Hidden Fees

Days

Fast Execution

Speed to market.

Launch your MVP in 55 days. We use proven frameworks and internal components to accelerate development without ever sacrificing code quality.

Beat Competitors

Faster Feedback

What you get.

Everything needed to launch and run your mobile business.

Native iOS App

High-performance iOS application written in Swift/React Native, ready for App Store approval.

Native Android App

Optimized Android application tailored for the Google Play Store ecosystem and guidelines.

Custom UI/UX Design

Bespoke interface design that matches your brand identity and provides intuitive user journeys.

API Integration

Seamless connection to your existing backend, database, or third-party services.

Admin Dashboard

Optional web-based dashboard to manage app users, content, and view analytics.

Full Source Code

Complete ownership and transfer of the intellectual property and codebase upon launch.

Investor Ready

Investor Demo Video

60–90 sec walkthrough with professional voiceover. Perfectly crafted to showcase your app's core value to investors before they even download it.

Have specific requirements or custom API integrations?

Why not build in-house?

In-House Team

Expensive recruitment and salaries for senior mobile devs.
Slow ramp-up time and risk of bad technical choices.
Distracts your core team from focusing on your web product.

With Quartrex

Fraction of the cost of a full-time senior mobile team.
Guaranteed timeline with an expert team executing proven processes.
Your team stays focused on your core web product and business.

Try Before You Buy

See your app before you hire us.

We'll build a clickable prototype in 48 hours to show our design quality.

Your Investors
expect mobile.
We build it in 55 days.