Mobile Application
Development Services

Elevate your business with custom Mobile Applications. We specialize in developing Native, Cross-Platform and Hybrid apps for IOS and Android.

We cover full software development cycle or each stage separately, including UX/UI Design, Software Architecture Design, Software Development, Maintenance, and more.

Free Consultation Case Studies
Seven / Expertise / Mobile Applications
iOS
Android
Cross-Platform
Hybrid

Our Custom Mobile App Expertise

Startups

Business

Healthcare

Education

Startup Mobile Apps
Leverage our expertise in developing custom Mobile Applications to create new revenue streams & business models, test new products, reach new customers, and build brand recognition.
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B2B, B2C, C2C

Home Services

Professional Services

Health and Wellness

Education and e-Learning

Sports & Fitness

E-Commerce and Marketplaces

Social Networking

Artificial Intelligence (AI)

Business Mobile Apps
Custom mobile applications for increasing productivity, streamlining processes, and improving communication within an organization. Developed from scratch, using our backend core, or after taking over your existing application.
View relevant case study
Inventory and supply chain management

E-commerce and retail

Virtual meetings and video conferencing

Business intelligence and data analytics

Business travel and expense management

Business training and development

Business event and conference

Business survey and feedback

Business talent and job search

Business network and community building

Business social media management

Healthcare Mobile Apps
Custom applications designed for improving patient outcomes, increasing access to care, and streamlining healthcare delivery. Rely on us to deliver secure tailored solutions that comply with international standards and regulations like HIPAA, GDPR, PIPEDA, and many more.
View relevant case study
Telemedicine

Emergency response

Health tracking

Mental health

Medication and treatment tracking

Chronic condition management

Remote patient monitoring

Elder care

Nutrition and meal-planning

Personal health record

Fitness and wellness

Medical reference

Clinical decision support

Health education

Medical device control

Medical research

Education Mobile Apps
Tailored solutions to provide students and teachers with anytime, anywhere access to learning materials and tools in both academic and business environments.
View relevant case study
Learning management systems (LMS)

Course management

Online tutoring

Language learning

Study and exam preparation

Test preparation and certification exam (SAT, ACT, GRE, and GMAT)

Homeschooling

STEM education

Parent-teacher communication

Special education and assistive technology

Art and music education

Career and professional development

Recent Case Studies

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Anti-Aging Therapy Apps Based on DNA Data

A leading Life Science, Bioinformatics and Genetics Data Analytics company from Switzerland needed to display all the data representation of their clinical research on their users’ devices

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HIPAA Compliant App for Accessing Vital Info from Health Information Exchange

Web and Mobile applications provide first responders and EMS personnel with access to critical patient information that resides within the Health Information Exchange

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Mobile App for Parkinson’s Disease Severity Assessment

Frequent smartphone data collection combined with machine learning algorithms in a simple mobile app makes managing Parkinson’s disease more accurate, explicit and help treat the disorder better

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UK NHS Compliant P2P Telemedicine Apps

This software has been developed for our UK client that needed secure, instant and up-to-date mobile telemedicine apps for online patient-doctor consultations, making prescriptions and booking appointments

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Smart Diapers Mobile and Web Apps compatible with Virtual Assistant

Our team has developed iOS and Web apps that can be perfectly suitable for both medical personnel in daycare centers use and personal use by young parents

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Video Dictionary Mobile App for Deaf and HoH

A constantly growing number of mobile devices in the world now allows to bring the educational possibilities to another level as well as provide help and assistance in learning and studying anything to the most remote places with the Internet connection, make the access to the information easy and handy

Inventory Management Software for Construction Companies

Inventory Management Software for Construction Companies

Mobile and Web app for construction companies that increases effectiveness by 36% and cost savings up to 15%. It is the corporate internal BI tool, asset and inventory management software that automates the supply chain between the contractor and supplier

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Side Jobs Marketplace for College Students

The result is a mobile and web marketplace for the exchange of side jobs. The application allows members of a college community to earn money on their own schedules or to hire someone for help completing a task

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Gym Membership Upcycling Marketplace

IOS & Android applications for upcycling on-demand gym memberships and classes for Customers and Administrators

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Mature Dating Mobile Application

Our client came to SEVEN with the idea of creating the free online mobile dating application for an audience over 30 years old. He wanted to make not only text chatting, but focus on video chat mostly

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Charity iOS & Android App Based On Distance Tracking

Our client came up with a very interesting idea of creating a fitness community with a collective social mission: a network of movers striving to better their own health

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What Kind of Software Development Approach Are You Interested In?

Using our solutions

Modular approach based on our existing architecture cores to reduce time and costs of software development.
CONTACT US

Development from scratch

Full-scale development process with every element designed and built from zero, including the core, etc.
CONTACT US

Core Services

Mobile App Consulting

We will analyze your business, goals, needs, existing deliverables, and suggest the optimal approach to custom software development.

Custom Software Development

Custom projects tailored to unique needs of an organization. Based on the business goals and needs, we will combine development from scratch and integrating third-party API.

Mobile App Software Design

Based on your business needs and project’s state, our experts can cover UX/UI Design, Software Architecture Design, Software Prototyping, and more.

Quality Assurance and Maintenance

Our team will take over the project and ensure that it, through testing and monitoring, offers seamless experience to the customers.

Related Services

Regardless of the stage of your project, we can take over and complete the development of your software. We offer a comprehensive list of services that can be a part of one process, or be performed standalone using the pre-existing deliverables that you received from other teams.

Software Documentation

We audit your software and existing docs and write up-to-date system descriptions, design decisions, architecture descriptions, technical help guides, user manuals, tutorials, or user guides following ISO / IEC / IEEE Standards if required

Independent Software Audit

If you already have software at the release stage (α or β), we are experienced in independent pre-production software audits and identifying potential issues and risks that may impact the project's success post-release

Software Issues Resolution

If your software has functional, performance, security, or compliance issues, we identify and resolve them via logic reworking, code refactoring continuing maintenance and ongoing support

Our Approach to Mobile Application 
Development and Support

Each step can be the start of our collaboration, based on the state of your idea, project, and documentation. We work with third-party designs, code, and software, helping our clients see the project through.

Requirements

Design

Development

Testing

Deployment

Maintenance

Where Do We Go From Here?

Learning About Your Needs

We will provide detailed breakdowns and specific course of action based on your timeline, budget, selected technology, and much more.

Documentation & NDA

You will be able to share any existing deliverables such as documents, designs, and code, with the assurance of an NDA to protect your intellectual assets.

Planning and estimates

Our analysis will cover all available data, resulting in a thorough functional decomposition and an accurate, detailed estimation for your project.

Financial Proposal

We’ll prepare Basic, Recommended, and Advanced cost offers for you to choose from, providing options that scale with your business needs and budget considerations.

Kick-off

Post-contract, you'll be introduced to your project's dedicated team. We will start the work, ensuring complete transparency and involving you throughout the process.

Schedule free Call

What Are The Benefits Of Native and Cross-Platform/Hybrid Mobile Apps?

Native Mobile Apps

Native mobile apps are designed and developed specifically for a particular mobile platform, such as iOS or Android, using the platform-specific programming language, tools, and libraries. Here are some reasons why native mobile apps can be a great choice:
Better Performance

Greater Security

Offline Functionality

Unlimited Access to Device Features

Better Integration with the Operating System

Better User Experience

Cross Platform and Hybrid Mobile Apps

Hybrid mobile applications combine elements of both native mobile apps and web apps, and are developed using web technologies such as HTML, CSS, and JavaScript, and then wrapped in a native container that can be deployed to different mobile platforms. Here are some reasons why hybrid mobile applications can be a good choice:
Cross-Platform Development

Faster Development Time

Cheaper Maintenance

Lower Development Costs

Components We Cover

Mobile Application

Server infrastructure

Back-end

Database

API

3rd-party services

Technologies we use

We conduct technical research considering requirements, business goals, scaling plan, and more. We compile a comparative table of optimal technologies for your specific software product.
Based on the recommendations of our team, we advise on the most suitable technology stack, taking into account all the aspects mentioned above.
Mobile

Front End

Back End

Server Cloud

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iOS

Native

Swift

Persistence

React Native

Flutter

Kotlin Multiplatform

Ionic

Xamarin

Apache Cordova

PhoneGap

Frameworks

Combine

Alamofire ObjectMapper

Swinject

Persistence

CoreData

SQLite

Realm

Networking

URLSession

Codable Architecture

Alamofire

Technologies

WebSockets

UI

SwiftUI

UIKit

Package Manager

Swift Package Manager

Cocoapods

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Android

Native

Kotlin

Java

Cross-Platform & Hybrid

React Native

Flutter

Kotlin Multiplatform

Ionic

Xamarin

Apache Cordova

PhoneGap

Persistence

Room

SQLDelight

SDK

Android SDK

KMM

Networking

Retrofit

Ktor

UI

View’s

Jetpack Compose

Technologies

WebSockets

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Front End

Languages & Technologies

JavaScript

HTML5

CSS3

SASS

LESS

TypeScript

Main Libraries

RxJS

NgRx

Angular Universal

Redux

Frameworks

Angular

React

Preact

Vue.js

Ember.js

UI

Angular Material

Bootstrap

Material UI

Package Manager

Gulp.js

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Java Back End

Programming Language

Java

IDE

IntelliJ IDEA / Eclipse or other

Technologies

RESTFull

WebSockets (STOMP+AMQ)

Frameworks

Spring JPA

LocalStack

Spring Boot

Spring Security

Spring MVC

Spring Data

Hibernate

Tools & Utilities

Maven

Git

Postman

Docker

Sonarqube

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PHP Back End

Programming Language

PHP

IDE

PHPStorm

Libraries

RESTFull

WebSockets

Libraries

Laravel Passport

Laravel Permission

L5 Swagger

PHPUnit

Frameworks

Laravel

Symfony

Phalcon

Codeigniter

Zend

CakePHP

Tools & Utilities

Git

Postman

Docker

LocalStack

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Python Back End

Programming Language

Python

IDE

PyCharm

Spyder

PyDev

Libraries

TensorFlow

Matplotlib

Pandas

Numpy

SciPy

Scrapy

PyBrain

PyTorch

Frameworks

Django

Pyramid

TurboGears

Web2Py

Tools & Utilities

Git

Postman

Docker

Technologies

RESTFull

WebSockets

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Node.js Back End

Framework

Express,js

Next.js

Meteor.js

Koa.js

Hapi.js

Technologies

RESTFull

WebSockets

Tools & Utilities

Postman

Sonarqube

Git

Docker

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Third-Party Services

Services

Facebook Login

Apple Sign-In

Google Sign-In

Google Geolocation API

Stripe

Braintree

Docusign

Eversign

Identify 3D

EHR

GAHIN

HealtheConnections

CliniSync

ClinicAid

USPS

Fedex

Media Streaming Servers

Vonage

Twilio

Amazon Chime

Azure Communication Services

Agora

Wowza Media Systems

Microsoft Stream

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Approaches we Apply

Clean Arhitecture

Microservices

SOLID design principles

Event-driven architecture

MVI

Maven multi module concepts

Screaming Architecture

Cloud Agnostic

MVVM

MVP

Security first approach

Cloud based solution

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Server Infrastructure

AWS

EC2

S3

S3 Glacier

RDS

DynamoDB

SMS

SQS

SES

CloudTrail

CloudWatch

GuardDuty

ElastiCache

Elasticsearch

EKS as Kubernetes engine

NLB as a load balancer

Jenkins as CI / CD tool

Grafana as a monitoring system

ECR as Docker repo

Mace

WAF

Terraform

Ansible as a management tool

Nginx as ingress for Kubernetes

Prometheus as a monitoring system

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Slide

iOS

Native

Swift

Cross-Platform & Hybrid

React Native

Flutter

Kotlin Multiplatform

Ionic

Xamarin

Apache Cordova

PhoneGap

Frameworks

Combine

Alamofire ObjectMapper

Swinject

Persistence

CoreData

SQLite

Realm

Networking

URLSession

Codable Architecture

Alamofire

Technologies

WebSockets

UI

SwiftUI

UIKit

Package Manager

Swift Package Manager

Cocoapods

Android

Native

Kotlin

Java

Cross-Platform & Hybrid

React Native

Flutter

Kotlin Multiplatform

Ionic

Xamarin

Apache Cordova

PhoneGap

Persistence

Room

SQLDelight

SDK

Android SDK

KMM

Networking

Retrofit

Ktor

UI

View’s

Jetpack Compose

Technologies

WebSockets

Front End

Languages & Technologies

JavaScript

HTML5

CSS3

SASS

LESS

TypeScript

Main Libraries

RxJS

NgRx

Angular Universal

Redux

Frameworks

Angular

React

Preact

Vue.js

Ember.js

UI

Angular Material

Bootstrap

Material UI

Package Manager

Gulp.js

Java Back End

Programming Language

Java

IDE

IntelliJ IDEA / Eclipse or other

Technologies

RESTFull

WebSockets (STOMP+AMQ)

Frameworks

Spring JPA

LocalStack

Spring Boot

Spring Security

Spring MVC

Spring Data

Hibernate

Tools & Utilities

Maven

Git

Postman

Docker

Sonarqube

PHP Back End

Programming Language

PHP

IDE

PHPStorm

Libraries

RESTFull

WebSockets

Libraries

Laravel Passport

Laravel Permission

L5 Swagger

PHPUnit

Frameworks

Laravel

Symfony

Phalcon

Codeigniter

Zend

CakePHP

Tools & Utilities

Git

Postman

Docker

LocalStack

Python Back End

Programming Language

Python

IDE

PyCharm

Spyder

PyDev

Libraries

TensorFlow

Matplotlib

Pandas

Numpy

SciPy

Scrapy

PyBrain

PyTorch

Frameworks

Django

Pyramid

TurboGears

Web2Py

Tools & Utilities

Git

Postman

Docker

Technologies

RESTFull

WebSockets

Node.js Back End

Framework

Express,js

Next.js

Meteor.js

Koa.js

Hapi.js

Technologies

RESTFull

WebSockets

Tools & Utilities

Postman

Sonarqube

Git

Docker

Third-Party Services

Services

Facebook Login

Apple Sign-In

Google Sign-In

Google Geolocation API

Stripe

Braintree

Docusign

Eversign

Identify 3D

EHR

GAHIN

HealtheConnections

CliniSync

ClinicAid

USPS

Fedex

Media Streaming Servers

Vonage

Twilio

Amazon Chime

Azure Communication Services

Agora

Wowza Media Systems

Microsoft Stream

Approaches we Apply

Clean Arhitecture

Microservices

SOLID design principles

Event-driven architecture

MVI

Maven multi module concepts

Screaming Architecture

Cloud Agnostic

MVVM

MVP

Security first approach

Cloud based solution

Server Infrastructure

AWS

EC2

S3

S3 Glacier

RDS

DynamoDB

SMS

SQS

SES

CloudTrail

CloudWatch

GuardDuty

ElastiCache

Elasticsearch

EKS as Kubernetes engine

NLB as a load balancer

Jenkins as CI / CD tool

Grafana as a monitoring system

ECR as Docker repo

Mace

WAF

Terraform

Ansible as a management tool

Nginx as ingress for Kubernetes

Prometheus as a monitoring system

AI technologies we apply

There are many AI technologies we use for software, such as Machine Learning, Large Language Models (LLM), Natural Language Processing (NLP), and others that meet project specific needs
Image and Video recognition

Image analysis

Predictive analytics

Speech-to-text conversion

ChatGPT integration

Language recognition

Voice commands

Automated grading

Adaptive assessments

Personalized learning

Intelligent tutoring

Compliances

Include global & country-specific regulations

AI Technologies

Advanced solutions tailored to each project

Scope Management

Clearly defining the project's scope and boundaries and effectively managing any changes that occur. Then the project remains focused, and resources are not wasted on unnecessary work.

Timeline Management

Establish a realistic schedule that considers all the tasks that need to be completed, regularly monitor progress, and make adjustments to stay on track.

Cost Management

Control actual costs by accurately estimating and tracking expenses and adjusting as needed to stay within budget.

Quality Control

Meet expected quality by setting clear requirements, analyzing expectations, and implementing quality control processes.

PM Methodologies we use

Project Life Cycle Diagram

17

Years of Experience

319

Products Launched

21

Client Countries

Client Reviews

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They were able to overcome any problem that could arise. SEVEN's delivered platform met the client's needs and requirements. Their professional project management and communicative approach to keep the team updated were also key to the engagement's success. The team also praised their reliability and dedication throughout the partnership.

Analytics Company

Executive
Slide

SEVEN is a true part of our team. They’ve made an exceptional commitment to us. Quality, reliability, and scalability are the qualities they bring to our development. They're deeply committed to responsive communication and available in emergent situations. They’re a full-service agency that allows us to work with just one partner for this whole complex project.

Spare Parts Business

CTO & Co-Founder
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One thing that I loved about working with SEVEN was how transparent they were. Their level of engagement and communication was excellent. The team also had a really impressive, in-depth discovery process. Their process actually provided a lot of support especially in areas that I hadn’t considered.

UX Design Agency

Co-Founder & Director
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They’re extremely professional, and they pay great attention to me as a customer. SEVEN has created an app that stands out from the competition in terms of functionality and design. A proactive, attentive team, they consistently under-promise and over-deliver. Customers can expect a fast, impactful engagement.

Repair Service App

Founder
Slide

I got the impression that we're dealing with true professionals and that they understand our needs. The most impressive thing about this company is how they deliver a project with ease. They would do their best to help us reach our goals. And I felt they truly understand the project.

LED Group

Digital Design & Project Lead
Slide

SEVEN are great to work with and highly organized. Prior to even starting, SEVEN focused on understanding the needs of the project. The product met and exceeded our expectations. Also, very effective and honest communication. We are looking forward to building out the platform further with SEVEN.

Environmental Engineering Firm

Founder & CEO
Slide

The client liked their new site's aesthetic look, with 100% satisfaction from their internal team, thanks to SEVEN. They promised high-quality engineers/web developers, and they delivered, which resulted in a successful project outcome.

Computer Networkin Company

CEO
Slide

We were convinced by their previous projects. SEVEN delivered good quality software on time, which satisfied the client's requirements. They communicated smoothly and were always available for necessary meetings during the collaboration. Their availability throughout impressed the client.

Telecommunications Company

CTO
Slide

They’ve been instrumental in the business and have implemented all required features for the platform. They’ve delivered on time and have been flexible with the team composition and communication tools. Their work ethic and passion for the project stand out.

On-Demand Gym Membership Platform

Founder
Slide

Without SEVEN, this technology wouldn't exist, and we wouldn't have a product. Their work ethic is phenomenal, and the team is very passionate about their work and what they deliver. They want to provide the best service and build the best product possible.

On-Demand Gym Membership Platform

Founder
Slide

SEVEN delivered good quality software on time, which satisfied the client's requirements. Their availability throughout impressed us. Project was finished in good quality and in time, and the only thing they can do in the future is to keep the current quality of work.

MultiLine

CTO
Slide

Their flexibility and friendliness were impressive. SEVEN delivered a well-functioning e-commerce platform, including its staging environment. Everything worked as expected.

Social Impact Startup

Technical Lead
Slide

The calculator that SEVEN developed was successfully launched, which proven profitable and valuable. The team was an understanding partner who provided practical recommendations to mitigate emerging risks. Their knowledge, professionalism, and skills helped the client save money and time.

Human Resources Company

Managing Director
Slide

SEVEN has a lot of great ideas that hadn't even crossed our minds. They are communicative, professional, and responsive to feedback. Moreover, they've adapted their team composition to fit the client's budget. Their passion for their work results in valuable ideas that stand out.

Flight Support Company

CTO
Slide

SEVEN made a huge work to provide a turn-key solution for this project. Their flexibility and friendly​ atmosphere were impressive in the workflow. Their versatility stood out in the partnership.

Communications Platform

Founder
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