Cross-Platform App development

Cross-Platform Mobile App Development

Altamira offers the development of highly customized, scalable and intuitive mobile apps, suitable for multiple platforms.

Helping businesses grow for 10+ years

"The Altamira team did an amazing job! And I was pleasantly surprised by how well-established processes they have."

Chief Technology Officer

Jonathan Kopnic

flag Fintech Education

Web, iOS, and Android trading platform that offers advanced capabilities in earning by trading, selling products via the integrated marketplace, and conducting trading live-streaming.

Services we provided

  • Web and mobile application development
"I am absolutely satisfied with how my app looks and functions. It is exactly what I wanted to get when I decided to go with this team."

CEO & Co-founder

Barry Alexander

flag Delivery

Android and iOS native applications that provide on-demand drone services, where users can connect with couriers and track the status of their drone order delivery.

Services we provided

  • Mobile application development,
  • UX/UI Design
"Altamira (formerly GBKSOFT) produced superlative deliverables that provide valuable information to guide internal operations and support sales processes. The team was receptive to feedback, adapting resources to ensure effective collaboration."


Ryan Crawford

flag Real Estate

Custom-made ERP solution that provides jet brokerage services to boost jet sales and service quality.

Services we provided

  • Web application development
  • UI/UX design
"Unique mobile application that aims to teach users to play golf according to individual playing styles and recommendations provided by specifically developed algorithms."


Ian Cash

flag Retail

Unique mobile application that aims to teach users to play golf according to individual playing styles and recommendations provided by specifically developed algorithms.

Services we provided

  • Mobile application development
  • UX/UI Design
"The website that Altamira (formerly GBKSOFT) has generated now allows the company to save time and manpower as it performs a lot of tasks that other employees are used to doing. The team members' seamless approach to project management and their communication skills continue to make this collaboration productive."

Project manager

Sholom Erlanger

flag Social network Utility

Resigned web solution for a large-scale printing company that provides a modern order management system and enables customer experience.

Services we provided

  • Web application development
  • UX/UI Design

Target a wider audience with a cross-platform app development

Focusing on security, usability, and UI we build impressive fully-featured cross-platform mobile apps tailored to satisfy your customer’s needs, offering additional services. We offer assistance at all stages of mobile app development, from concept to maintenance of the ready app.
Web & Mobile Development

Create your own customized mobile or web app from scratch. Whether you need a native app, cross-platform solution, or complex enterprise cloud software, Altamira provides all-level development, so you can focus on what you do best: acquiring and retaining customers

From Idea to MVP

After extensive market research and planning, we will identify the features that will have the most significant impact on users and prioritize them. We use the Lean MVP development process so that you can get feedback from users and make changes quickly.

UX Design and Prototyping

A great way to understand how your customers will use your software is to create a working design prototype of your SaaS product. You will see how your customers interact with your software, test if the UX / UI design works well and if your customers need any changes.

Team Augmentation

Get extra workforce for your development as-needed basis. Quickly expand your in-house team or create a new one by getting access to our talent pool of skilled developers. Altamira’s expertise includes many platforms, from .NET to Cloud services.

Discovery Stage

From the initial discovery to rollout, our experts create a tailored experience for your organization that provides continuous value. We work closely with you to identify your goals, desired results, and internal processes to develop a solution that meets your company’s needs.

Accelerate development

Quickly adapt to a larger software workload without compromising performance or losing revenue. Altamira operates exclusively to intercept the Stall and get back on growth quicker and more sustainably than anyone else. Ensure fast and reliable software delivery.

Have a question? Need advice?

Book a complimentary consultation with one of our SaaS specialists

Our cross-platform mobile development tech stack

Our team builds impressive fully-features apps offering a rich user experience across all devices. You will get a software solution that works on multiple platforms with a close-to-native interface and experience.

Case studies

flag On-demand services Mobile

Aquiline Drones - Uber for Drones

Android and iOS native application that allows the use of drones for entertainment purposes and offers a bunch of options such as drone booking, location tracking, convenient payment system, chats, and profiles for two user roles.

Read case
flag Real estate Web

Highrise - Platform for Building Management

An advanced web platform that helps with management of property and building violations. Highrise parses the data from the public boards of building violations and informs building owners and tenants.

Read case
flag Retail Mobile

Zemp - PoS SaaS solution

Zemp is a multifunctional Point of Sales mobile app that helps retail companies to manage orders, check inventory and stock count, generate employee reports, perform convenient transactions, and see sales reports.

Read case
flag Social network Mobile


A native iOS and Android app that connects neighbors and helps local businesses to grow within local communities. Bestyn includes posts sharing, private chats, stories and built-in editor for their creation, tools for promoting local businesses.

Read case

Domains we are proficient in

Fintech & Finance

We have developed many technologically innovative digital products for modern fintech companies.


Reinvent your relationships with clients and provide a remarkable experience with custom retail development.


We help you design and develop healthcare software solutions to meet the needs of both clinicians and patients.

Take the next step

Let’s build your custom solution together!

Get an estimate of your futer project with all risks included.

Explore our Success Stories

See more works we are proud off. 

The cross-platform mobile development process

Together with Altamira, you custom apps tailored to meet your particular business needs and streamline all crucial operations. 

Discovery stage
Solution design
Product development & QA testing
Deployment and maintenance

Absolute clarity in to project documentation is our priority. We make sure that we are on the same page with our customers.

Based on the client’s expectations, we create designs allowing to experience a user-friendly flow of an app.

Ensured code quality from the very first steps. Utilizing the best-suited technologies we deliver results in accordance with requirements and deadlines committed by our team. Regular quality checks guarantee that no inefficiencies will escape notice.

Final deployment of the source code and launching of the app on a client’s platform. We guarantee our commitment even after the project will end. Perfect performance, API updates, future scaling.