iOS App Development Services

Building and delivering iOS apps on the basis of native programming languages like Swift and Objective-C to provide a superior performance. Start a project

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iPhone/iPad App Development

Apple Watch App Development

Apple TV App Development

Build iOS app for any purpose

We are passionate about introducing new technologies as well as checking how the application performs across all the devices and iOS versions supported by Apple. It helps to ensure the clients get the product that best fits their expectations.

iOS apps built to excel

Set the requirements and let us build your custom iOS application to power your business with an efficient solution.

Ridesharing apps usually consist of two separate in-app roles or apps: Driver’s and Passenger’s. Besides basic functionality, ridesharing apps require map APIs (Google Maps, MapKit), payment gateways (Stripe, PayPal), and in-app calling feature integration (Twilio, Bandwith).

2200 hours

Average development time

6 months

Average project length

When creating media streaming apps, we take care of seamless content delivery and work with trustful media processing platforms (Livestream, Brightcove). Streaming apps also require data storage (Cassandra, MySQL), geolocation (Google Maps, MapKit), etc.

2300 hours

Average development time

7 months

Average project length

Our software engineers build healthcare apps of any complexity: from nutrition apps to personal workout and activity tracking apps. Main features can be sync with Apple Health and Apple Watch (HealthKit), geolocation (Google Maps, MapKit), etc.

1800 hours

Average development time

4 Months

Average development time

We build innovative education iOS apps: from platforms for finding a mentor to iPad apps for educational institutions and more. To do this, we use the latest technologies like Augmented Reality (ARKit), Apple Pencil (UIKit), and other company inventions.

1600 hours

Average development time

4 Months

Average development time

Marketplace apps usually act as intermediaries between two parties: buyer and seller of goods or services. These solutions should be lightning-fast and have robust analytics powered with machine learning (Amazon ML).

1500 hours

Average development time

4 Months

Average development time

How much will your app cost?

Calculate the cost of your software project with our solution that allows you to select the required functionality interactively and quickly

Technologies for advanced iOS apps

Without limiting your functional requirements, we use tools and services that ensure the best user experience in your final product.

Big Data

Media Expertise

Apple Resources

Computer vision


IoT Expertise

Case Studies of Successfully Delivered iOS Projects

Learn about Assort Tech's expertise

in Projects Portfolio. Explore more➔

Technology stack for iOS platform

Our iOS app developers keep up with the latest tech trends and sharpen their expertise to deliver software solutions for a rapidly evolving market.


Swift is a robust programming language backed by Apple that allows creating top-notch and fast applications for all Apple operating systems. Safety, simplicity, and permanent performance enhancements make iOS app development with Swift an ideal solution for building iOS apps of any complexity.


faster than


faster than


This object-oriented programming language has been actively using for iOS app development for over 30 years. This fact alone makes Objective-C reliable as millions of lines of code are written on it. In addition, this code is backward compatible with C and C++ languages.


apps built


apps built


CoreData framework makes it possible to speed up the iOS application development process. CoreData simplifies memory management since developers load into memory only those objects they use at the moment. Integrating sorting of objects and optional automatic validation of property values help the app work with a database.


data loading


developers’ efficiency


Realm is a popular mobile database for every iOS app development platform and also for Android. It’s incredibly rapid (much more rapid than SQLite), cross-platform, thread-safe, and has an easy-to-use API. The developers call it a contemporary and reliable substitute for the native Apple’s databases.


app performance


apps worldwide


This Backend-as-a-Service platform frees developers from such backend work as managing servers and writing APIs and lets them focus on building the top-notch user experience. Being almost an all-in-one backend solution, Firebase helps to speed up the iOS native app development.


use Firebase


developers’ efficiency


RxSwift library is based on top of Swift and simplifies the development of dynamic apps for iOS engineers. Among the main advantages of this library are asynchrony, clean code, architecture, etc. All it results in faster and more efficient iOS application development services and problem-solving.


stars on


developers’ efficiency


ReactiveCocoa is a framework that allows using reactive functional programming techniques for custom iOS application development. It offers bindings and reactive extensions for the Cocoa Touch framework to make code much shorter. Tailored to Swift, the framework defines the interface for events, making it easier to filter and compose them.


faster development


developers’ efficiency


Alamofire is a well-tested and reliable library for all Apple platforms. It’s designed for working with HTTP requests. Alamofire significantly boosts developer productivity because it simplifies a number of routine tasks for iOS application development companies. It makes the code cleaner that helps to decrease the possibility of bugs.


bugs occurrence


faster development


Moya is a network abstraction library to work with network data and for quick project integration with RESTful API. Moya allows the iOS application development company to focus on main application features and speed up the implementation of networking data. Using Moya, developers extract network responses to perform unit tests efficiently.


faster API manager integration


development time optimization framework enables real-time data exchange and communication. It improves and accelerates the integration of chats and video chats to iOS apps. has many automated processes for easy communication feature integration. Flexible and simple customization helps iOS app development agency implement their task faster.


websites worldwide


faster chat integration


This platform provides developers with smart solutions, helping them provide better iOS development services. Fabric facilitates dealing with crash reporting, deployment, beta distribution, and more. Put simply, this tool saves precious time and gives developers more control over their apps.


developers use Fabric


efficiency increase


Fastlane facilitates the process of iOS apps deployment. This tool uploads a beta version of the app to the selected beta service. It automates the entire app store deployment process: Fastlane generates localized screenshots, uploads metadata, stores code signings, and automatically submits new versions of the iOS app.


faster deployment process


faster unit testing

iOS app development insights


Recently Published Blog Posts on Various Topics

Client Guides

Reads Showing Solutions to Business Problems


Posts Telling About Tech Stuff in Plain English


Guides to Building Beautiful UI and Convenient UX

Case Studies

Cases from Real Projects Explained in Great Detail


Company News, Awards, and Achievements