about us

About Aetherius

We are a full-cycle mobile app and web development company that delivers iOS and Android apps to international companies and tech startups. Since 2022, starting with just 2 employees and a strong vision to grow, we are proud to now have a highly skilled team of 10 people and more than 15 satisfied clients.


satisfied clients


projects delivered
in just 2 years


people in our team


month for MVP

Aetherius Solutions: Mobile and web app development team members

Trusted by

Aetherius Solutions: The best mobile app startup ideaAetherius Solutions: Trusted partnerAetherius Solutions: This Startup launched MVP in just 2 weeksAetherius Solutions: The right app development partnerAetherius Solutions: Mobile App Startup
Aetherius Solutions: This Startup launched MVP in just 2 weeksAetherius Solutions: Trusted partnerAetherius Solutions: The best mobile app startup ideaAetherius Solutions: Building a mobile app for startupsAetherius Solutions: Mobile App Startup
Our services

What We Do

One of the biggest challenges startups face is the lack of time. In just 2 weeks, we’ll deliver the MVP and you can present it to investors or begin testing right away! After choosing the pricing package and the period ends, you’ll receive your money back if not satisfied!

Experienced developers at Aetherius have already been closely cooperating with many startups and can develop an iOS, Android, and KMP app for you. We also offer web development services to provide any industry with unique websites and web apps. UI/UX designers are there for a user-friendly digital experience, and our team of startup experts will offer professional advice to ensure that your project scope, budget, and timing are following your startup growth goals.
our team
Aleksa Simic: CEO, Co-founder and iOS developers team leadLinkedIn: Aleksa Simic
Aleksa Simic
CEO & Co-founder
Tijana Spasic: COO & Co-founder of the web and mobile app development companyLinkedIn: Tijana Spasic
Tijana Spasic
COO & Co-founder
Tamara Joksimovic: Marketing Manager for website and mobile appLinkedIn: Tamara Joksimovic
Tamara Joksimovic
Marketing Manager
Milos Mitic: Marketing Assistant for app marketing strategyLinkedIn: Milos Mitic
Milos Mitic
Marketing Assistant
Aleksandra Miljkovic: Sales Manager for driving startup growthLinkedIn: Aleksandra Miljkovic
Aleksandra Miljkovic
Sales Manager
Andjela Sokolovic Antic: Android team lead and KMP developerLinkedIn: Andjela Sokolovic Antic
Andjela Sokolovic Antic
Android Team Lead
Teodora Hafner: Android and KMP developerLinkedIn: Teodora Hafner
Teodora Hafner
Android Developer
Andrija Antanaskovic: Software engineer for web and mobile appLinkedIn: Andrija Antanaskovic
Andrija Antanaskovic
Software Engineer
Filip Vukadinovic: iOS developerLinkedIn: Filip Vukadinovic
Filip Vukadinovic
iOS Developer
Nikola Savic: iOS developerLinkedIn: Nikola Savic
Nikola Savic
iOS Developer
join the team

Join the Aetherius team!

Think you would be a good fit and could contribute to our team? You can definitely expect a friendly atmosphere and gain a lot of knowledge!
Aetherius Solutions: team membersAetherius Solutions: team membersAetherius Solutions: team membersAetherius Solutions: team members
our values

Our Core Values



We are clear about project timelines, costs, and any potential challenges. That way, our clients are always informed about the status of their project, and involved in the development process.


Client-first mindset

While building trust, understanding, and satisfying our client's demands, we formed connections with extraordinary people along the way. We value partherships!


Tech-forward approach

We use the latest technologies, which allows us to keep ahead of industry trends and innovate. From the very beginning, our team improved their knowledge to provide clients with superior solutions.

get started

Curious whether Aetherius is the right fit for your project?

Realizing the individuality of each project, we offer a free consultation with our skilled mobile app developers. This enables you to discover personalized mobile solutions for your project and gain insight into the Aetherius approach to mobile app development