Top Mobile App Development Company,
Accredited By


star-performancestar-performancestar-performancestar-performancestar-performance 4.8

Recognized as Top
App Developers by


star-performancestar-performancestar-performancestar-performancestar-performance 4.9

Ranked as “Top App Development Company” by GoodFirms.


star-performancestar-performancestar-performancestar-performancestar-performance 4.3

I highly recommend Space-O for mobile app development.


JSS 98%

Earned 98% of job success & “Top-Rated Plus” Badge on Upwork.

Top App Development Company

From concept to application development, Space-O covers the entire business mobile app development cycle, no matter how diverse or complex your business needs are. Being one of the best mobile app development companies in the USA, we have the ability to meet your business requirements which stems from our team of experts. The mobile app development team has years of experience in global app solution services and product engineering industries.

From successful startups like Glovo, Foodiini, and Bevy to our enterprise clients such as Nike, Saint-Gobain, McAfee, and Ferrari, we endeavor to streamline workflow, integrate functions into one seamless pattern, and in turn increase the productivity of a business enterprise.

We have a team of 200+ associates (UI/UX designers, mobile app developers, and quality analysts) in our work centers to deliver strategically designed and creatively crafted mobile application development services to take your business to the next level.

Talk to Our App Development Experts Now

Validate your mobile app idea. Start developing your mobile app today.

Clients Love Space-O Technologies

Space-O Technologies delivered exceptional, scalable solutions at a cost-effective price. We are happy to have them as our development partner.


Ashton Asherian



Ashton Asherian

Mobile App Development Services

We know what it requires to make a perfect iPhone application as we have already developed over 2800 iPhone apps of different categories. We know what it requires to turn a raw app idea into a successful mobile development.

With the deep understanding and expertise of native iPad app development services, our top app developers build the best iPad apps that add value to your business and your users’ lives.

Using the latest technology and industry experience, our full-stack Android developers develop successful Android apps that get funded and covered by Techcrunch, BBC News, and New YorkTimes.

Cross-platform App Development

Cross-platform App Development

Looking to develop a solution in iOS and Android both? Our mobile app developers are well-versed in developing apps in React Native and Flutter. So, if you want a native-like experience on both platforms, get in touch with us.

Want the best mobile app developer to build a featureful mobile app? Hire our dedicated mobile app developers having experience in developing more than 4400 mobile apps such as Glovo, TOR app, and One8 app.

Want to build a scalable app? Get app development consultation services that match your business goals and help you drive maximum ROI. Our app consultants devise a strategy to offer result-oriented guidance, regardless of the app complexity.

Want to Create Your Mobile Application?

We have experience in developing over 4400 Android and iOS-based application solutions. Let’s convert your idea into reality. Schedule your free consultation with the top mobile app development firm.

Unicorn and Most-downloaded Apps We Developed


Glovoandroid app platform

Covered by Techcrunch, Glovo is the most downloaded on-demand delivery app in Spain. Developed by our mobile application developer team, this app has received total funding of $1.2B. This app is available in over 25 countries and 1500 cities.

Weather Radar Live

Weather Radar Live

Weather Radar Live app has been downloaded by more than 150K users within a year. With 2.1K ratings and an average rating of 4.4 stars, this app is well-known for offering the most accurate weather alerts 24/7 for any location.


TOR Appandroid app platform

Designed and developed by our Android developers, the TOR app is downloaded by 100K+ users within a year of its launch. TOR has received more than 8500+ ratings and an average rating of 4.3 stars, provides a secure VPN and internet speed test.


One8android app platform

One8 is an enterprise fleet management solution developed by our app developers. It allows the users to request deliveries and get optimized routes for every trip. The drivers can manage their trips on the app as well.

NFC Jewelry App

NFC Jewelry App

Momento is the smart readable, and writable NFC jewelry app allowing you to store more than 3 GB of precious memories and up to 3000 pictures and hours of videos within a few clicks. You can add audio, text, link, and document, and import Google Photos to store them in the NFC chip

Bada Property Exchange App

Bada Property Exchange App

The Bada Property Exchange is a property management app, allows Indians to exchange their properties against the home, office, or land. You just need to list down your properties, irrespective of the type, size, and city, in this one of the widely used real estate apps.

Advanced App Development Technologies We Use

  • Swift Swift
  • objectivec Objective C
  • Kotlin Kotlin
  • Java Java
  • React ReactNative
  • flutter Flutter
  • xcode Xcode
  • Android Studio Android Studio
  • Postgresql_elephant PostgreSQL
  • MongoDB MongoDB
  • Microsoft SQL Server Microsoft SQL Server
  • Oracle Oracle
  • Oracle CouchDB
Design Tools
  • Adobe XD Adobe XD
  • Figma Figma
  • Visual Studio Visual Studio

Why Choose Space-O Technologies?

Success Score on UpWork

Success Score on Upwork

Apps Live on App Stores

Apps Live on App Stores

Jobs Completed on Upwork

Jobs Completed on Upwork

Unique Feature Implemented

Unique Feature Implemented

Small and Large Innovation

Small and Large Innovation

Mobile App Developers

Mobile App Developers

App Downloads

App Downloads

Years of Experience

Years of Experience

Clients Worldwide

Clients Worldwide

Want to Develop Your Own Application?

Talk to our mobile app consultant. We have built 4400+ Android and iOS-based mobile apps for our clients.

Our Mobile App Development Process


Analysis of Requirements

  • Get to know you
  • Understanding your requirements
  • Exploring the best-fit solution


App Development Consultation

  • Identify your competitors
  • Establish goals & objectives
  • Get your feedback


Wireframing & Designing

  • Creating a blueprint structure
  • Wireframing each screen
  • Designing your mobile app


App Development

  • Developing your app
  • Layout main sections
  • Get your feedback


Mobile App Testing

  • Testing your application
  • Making it 100% bug-free
  • Get final approval from you


App Deployment

  • Deploy the app to your server
  • Deploy to Google and Apple Stores
  • App available for users

Our Valuable Clients

Appreciation from Clients

Frequently Asked Questions During App Development

The cost of developing an app can range anything from $2000-$300000. This is because when estimating app development cost you need to consider various factors including app platform, features, mobile app development company, developer’s charge among others. Simple apps cost less while complex apps cost more depending on the functionality.

The average time required to develop an app can go from 1 to 9+ months. We consider multiple variables like the number of features and their complexity, uniqueness of the UI/UX design, development complications, use of third-party services, and so on.

Yes, being the best mobile app software development company, we provide complete documentation for the mobile app software or solution that we develop as per your business needs. Being a leading mobile app development agency, we sign a non-disclosure agreement with all the clients. At the end of the project, you own the code of your app or mobile solution.

We have integrated a range of latest and unique features in the mobile applications as demanded by our clients. Here are some of the must-have features we have integrated into the apps:

  • Payment Gateway Integration
  • Map Integration
  • Real-Time Tracking
  • Live Chat Support
  • In-app Messaging
  • Machine Learning Integration
  • Multi-lingual Support
  • Cross-Platform Ability
  • Push Notification
  • Social Media Integration
  • Search Bar With Filters

We will assign a project manager to you. He/she will keep in touch with you throughout the project and keep you updated about the project progress. You can communicate your requirements or the changes with the assigned project manager and he/she will communicate your requirements and changes with the developers.

We use Basecamp to manage your mobile app development project and keep you updated about everything related to the development progress.

We do follow a certain process.

  • We sign an NDA before starting a project
  • Disallow access to your app’s content providers
  • Apply network security measures
  • Secure office environment constant monitoring at the workplace

Yes, of course. As per our mobile app development process, we upload your mobile app on the App Stores, including Apple App Store and Google Play Store.

Since we are one of the leading app maker companies, we know the importance of maintaining the apps after it is published on the App Store. So, we provide 3 months of free technical support. In case, if you face any technical problems while accessing the app, our support team will guide you.