Hire a Cross-Platform Mobile App Development Company

Save Time And Resources Without Compromising On Quality

Focus On What Matters- Let us handle all the heavy lifting – finding, vetting, matching, and budgeting – so you can focus on what matters: driving conversion rates, generating traffic, and making your product a reality.

Build Modern Cross-Platform Rendering Speed
Build Modern Cross-Platform Rendering Speed

Cross-Platform App Development Made Easy

Cost Effective Solutions To Achieve Your Business Goals

You no longer need a dedicated team of app developers. We’ll match your project requirements with suitable freelancers and put together a budget plan tailored to your needs.

React Native Application Development

Learn about cross-platform app development from our expert team in a fraction of the time

React Native Application Development
Our team is experts at React Native app development which means we can develop apps faster than most other companies out there.
down-arrowMobile Device Compatibility
We can offer apps for iOS and Android which means that all of our customers will be able to run our applications on their phone
down-arrowPhone Gap, Ionic Framework, or Xamarin
Choose from Phone Gap, and Ionic Framework, or Xamarin for cross-platform app development.
down-arrowAll Devices
Create incredible responsive user experiences across all popular devices and operating systems.
down-arrowAll Databases
Connect AngularJS web apps to popular databases like PostgreSQL, MySQL, MongoDB, and CouchDB without writing a single line of code.
down-arrow Data Bindings
Manage data operations without any coding required through built-in AngularJS features and directives.

Angular.Js Application Development

Develop cross-platform mobile apps with AngularJS. Learn how one of the most popular JavaScript frameworks is powering new mobile app development projects with our cross-platform app company.

Angular.Js Application Development

Node.Js Application Development

Need an app? Get one now! With our cross-platform development company, we deliver high-quality Node.Js application development and Cross-Platform development services.

Node.Js Application Development
down-arrowFaster Development Cycle
Get started faster than other developers because we believe in giving our clients a helping hand every step of the way!
down-arrowBetter Process Management
Increase transparency through cross-platform software development with seamless sharing of requirements, execution logs, changes, and version management.
down-arrow Flexible Costs
Working on a project? Need a one-time app? Fulfilling needs is easy when costs are flexible.
down-arrowSimplify Development
Xamarin app development provides cross-platform capabilities on iOS, Android, Windows Phone, and Windows apps;
down-arrowFaster Development
With our Xamarin App Development Company, use Visual Studio as a single environment to build native apps;
down-arrowEasier Deployment
Once your app is ready for distribution, deploy it to all supported platforms with a single click.
down-arrowDiscover Xamarin
Xamarin is a powerful tool for developers who want to produce native apps for Android, iOS, Windows Phone, and Windows Store from a single shared codebase.

Xamarin Application Development

With a Xamarin Developers from our Cross-Platform App Development Company, your app can seamlessly sync across mobile devices and desktops for easy sharing

Xamarin Application Development

Increase Productivity by 50%

A cross-platform app development company, our experts handle both app designs and development. We’ll work closely with you so that your dream app becomes a reality.

HTML5 Application Development
down-arrowCreate a modern responsive design
Customizing HTML5 application development according to the user’s desired design approach is now possible thanks to our dedicated team of experts at our cross-platform app development company.
down-arrowGive a global outreach
Reach every corner of the world now that we have become an internationally acclaimed cross-platform app development company with expertise across all continents.
down-arrowExtend support to emerging markets
Take on the responsibility of supporting emerging markets at our cross-platform app development company now that we provide localized support service resources in multiple languages.
down-arrowProgressive Web-Apps
Build cost effective & scalable progressive web applications that run seamlessly across devices.

Get Professional Cross-platform App Developer Solutions In Several Industry Verticals

Get Your Business Online Establish

background designs design
food ordering app
iPhone UI medic app
iPhone UI Housing app

Our Cross-Platform App Development Firm Design To Engage Users

Web App Designers Help You Stay Competitive

Get the most out of your audience by building a mobile app or cross-platform website! For a limited time only, save on website design or app development services when you bundle them together.

Our Cross-Platform App Development Firm

Cross-Platform App Development Benefits For Your Business Website

Faster Development

With Xamarin Forms, you can develop an app once and deploy it everywhere – including iOS, Android, macOS, tvOS, watchOS, Windows, Linux, and Windows 10 Universal Windows Platform.

Consistent UI

Create a shared XAML framework so your app looks great on any device while keeping your code tidy and easy to manage.

Cross-Platform Cloud Services

In just a few clicks we can add Azure App Service to host all of your apps without needing any IT assistance and let keyideas do all the technical work for you.

Better Conversion

Increase conversion rates with a multi-platform solution.

Mobile App Development

Gain access to the booming mobile app market.

Web App Development

Embrace innovative web solutions in your business by working alongside keyideas.

You’ll Never Outgrow Us At Keyideas

Hire Cross-Platform App Developers From Keyideas

If you’re looking for cross-platform app developers in the US or overseas, Keyideas is ready to help!
  • check bulletExperienced And Certified Developers
  • check bulletFlexible Delivery And Commercial Models
  • check bulletAgile Approach To Mobile App Development
  • check bulletDedicated Team For Every Project
  • check bulletStrong UI/UX Design

Years In Business


E-Commerce Transactions


Client Testimonials


Mobile App Downloads

Cross-Platform App Development Design Process

Our Approach to achieve a goal

Design Process

Frequently Asked Questions About Cross-Platform App Development

Get The Help You Need


A cross-platform application (also called a cross-platform or universal app) is software that runs on multiple different devices, and often across multiple operating systems. While there are many types of apps that run in multiple operating systems (such as social media or chat apps), our focus here is on those that can run on more than one mobile platform (such as iOS and Android). In other words, an app written for both iPhone and iPad.

These apps have several advantages over native apps: they’re easier to develop because you don’t need to learn two different programming languages; they take less time to build because you only have to write it once, and they cost less money because you don’t need two separate teams building them. As you might imagine, these advantages make cross-platform apps very popular with developers and businesses alike.

There are three main ways that cross-platform apps work. The first is via web technologies such as HTML5, CSS3, and JavaScript. The second way is by using something like

This really depends on what you want to achieve with your app. If you just want to create a simple app for fun or just for yourself, then any of these methods will suffice. However, if you’re looking to create an app that people will pay for and download from places like iTunes or Google Play, then you should probably go down the hybrid route.

This is a very easy process, just contact us at the keyideas helpline and we will do the rest in no time.

Yes, you can approach us, if you require any minor change, bug-fixing, or maintenance work after the launch of the application. We will try to resolve the minor issues in the application.

We ensure the safety of your application and its data by integrating all possible measures to develop a secure mobile app with robust security features. Our experience developers understand all loose-ends so they fill all vulnerabilities that might cause security breaches/data theft. For back-end operations, we configure your application to run over HTTPS with SSL certificate installed to strengthen the security.

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