110+Technologies in use

120+Specialists in the team

100+Implemented projects

5.024+ feedbacks

5.070+ feedbacks

Custom Mobile Development Services

Apps that feel right, run fast, and grow with you. Great mobile apps combine business value with strong user experience. We build custom iOS, Android, and cross-platform apps.

Our iOS apps run well on every iPhone and iPad. We build with Swift and use Objective-C for existing applications. Main app functionalities are Face ID, Apple Pay, and iCloud sync. Our custom iOS application development services follow Apple's standards, so your app feels natural and easy to navigate from the first use. You get an app users love and stick with, plus smooth App Store approval.

Android powers thousands of different devices. Our Android app development services cover all operating system versions. We use Kotlin and Java for native Android applications. We also use modern Android technologies and follow Google's recommendations for every solution we design. Our Android apps reach the widest possible audience, perform excellently across devices and earn positive reviews.

Not every project needs two separate native apps. Cross-platform mobile development services often save time and budget. We build with Flutter, React Native, or Ionic – the team selects the best framework for your project. One codebase supports both iOS and Android and reduces development time and maintenance costs. It is ideal for MVPs, business apps, and products with similar functionality across platforms.

Technology moves fast, and older apps need regular updates. We refresh your apps and migrate between cross-platform and native technologies when it makes sense, update Objective-C to Swift and Java to Kotlin, upgrade APIs, and improve security. We never fully rewrite your app if it’s not needed. This preserves your data and existing features and reduces maintenance costs.

A great app means nothing if it never reaches your users. We manage the entire App Store and Google Play deployment process. We create your app store listing, conduct beta testing, and monitor the submission process. Plus, we automate everything for future updates (which is important for Android and iOS game development services). Apps fully meet Apple's and Google's requirements.

When our app is out there, it’s only the beginning. We monitor performance, fix bugs as they appear, and keep your app compatible with every new iOS and Android update. We also continue to improve your application – turn user feedback into new features, optimize load times, and apply security patches before they become problems. Your app runs smoothly today, tomorrow, and years from now.

Industries We Serve

Kevych Solutions is an iOS and Android app development services company that knows well that each industry has its nuances. We know how to adapt our digital solutions to different business demands.

Financial apps live on trust. Users want every transaction to be quick and safe. We build safe mobile banking apps, digital wallets, payment platforms, and personal finance tools. So, each solution we develop includes fraud detection integration, multi-factor authentication, secure data storage, and real-time push notifications for transaction alerts. Every app user feels safe without adding extra steps. The result is an app your customers can count on every day.

Healthcare apps need to be simple and keep patient information safe. Patients want fast access to appointments, records, and online visits. Healthcare providers need tools for daily work. We build compliant telemedicine platforms, patient portals, wellness apps, and remote monitoring solutions that simplify healthcare services for all parties. Our apps are secure and easy to use. Patients get care quickly, and medical teams can work more efficiently.

Telecommunication providers need apps that manage complex infrastructure and provide a high level of control to customers. We build tools for network management, customer self-service, and IoT device control. Our telecom applications integrate with your existing systems and make these everyday tasks easier. They perform well on different devices and work even when the connection isn't perfect, improving customer service.

Online shoppers have high expectations of e-commerce apps. Our apps make shopping intuitive and hassle-free. Most requested features are quick search, payment via mobile, order tracking, and individual product suggestions. Our apps also include analytics so you can follow user journeys, spot where people drop off, and improve your sales.

Learning happens everywhere today. We build mobile apps with online classrooms, live video lessons, interactive quizzes, progress tracking, and tools that allow students and teachers to work together. We design for very different users. Students want engaging content. Teachers need simple management. Parents want visibility. We design for all of them. We build offline, optimize for low bandwidth, and adapt to every device.

FinTech

Financial apps live on trust. Users want every transaction to be quick and safe. We build safe mobile banking apps, digital wallets, payment platforms, and personal finance tools. So, each solution we develop includes fraud detection integration, multi-factor authentication, secure data storage, and real-time push notifications for transaction alerts. Every app user feels safe without adding extra steps. The result is an app your customers can count on every day.

Technologies we use

Android SDK
Compose
Flutter
Google Map SDK
Jetpack Compose
Kotlin
Mapbox SDK
ObjectiveC
React Native
Realm
Rx Cocoa
Swift
Swift UI
UIKit
XCode
Android SDK
Compose
Flutter
Google Map SDK
Jetpack Compose
Kotlin
Mapbox SDK
ObjectiveC
React Native
Realm
Rx Cocoa
Swift
Swift UI
UIKit
XCode

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Our Mobile Development Process

Every mobile app needs a different approach, but a clear process keeps every project on track. We take care of the technical side, but we involve you in every stage of the project – we share progress, gather feedback, and make sure you’re happy about every decision.

Discovery
For every app, we discuss your problem, users, and must-have features. Then we study the market, competitors, your budget, and create a Discovery Report that details the development nuances, timeline, and cost. Everyone stays aligned from day one.
Requirement Analysis
We discuss features, user flow, security, and compliance. Every detail gets documented before development starts. Writing everything down avoids gaps and confusion. This plan guides us precisely so we stay on track and avoid delays.
Architecture & Planning
At this stage, we pick the right technology and plan the main steps. We split the work into milestones, so that you can follow the process and participate in it. It allows us to take into account your feedback and make changes early.
UI/UX Design
Design makes your app feel simple and easy to use. We sketch wireframes to map user flow, then build clickable prototypes. We test them with real people and get your feedback before coding starts. Once you approve the structure, we design the final screens for iOS or Android.
Development
This stage is fully devoted to app building. We develop it step by step and add new features in small stages. This allows you to see the progress, test the app, and still change what you want.We review the code and fix any issues if we find them.
Quality Assurance
We make testing part of the entire development process. QA specialists check feature by feature – how it works across devices, operating systems, and screen sizes. We test for functionality, performance, security and usability, and fix everything before moving on to the next stage.
Deployment
Application launch is the next step. We carefully study submission rules on the App Store and Google Play, create the store listing, and make sure every single detail meets Apple's and Google's requirements before the app goes live.
Support & Maintenance
We stay after launch to keep your app healthy and growing. We monitor performance, fix issues, release updates, and add features. You choose ongoing support or occasional help. Your app is a living asset, and we help it perform better and earn more.