Enterprise Mobile Development

Enterprise Mobile Engineering Teams for Native and Cross-Platform Development

You get a stable team that actually sticks around and builds things properly, so you’re not fixing old decisions every few months.
Talk to Our Team
Talk to Our Team
98%

Satisfied
Clients

10+

Years of
Experience

75+

Projects
Delivered

31

Clients under
NDA

Kotlin Multiplatform Early Adopter BadgeBest Mobile App Development Company in Serbia 2025 Badge
Biznis Price Client's Logo
Dopelearn Client's Logo
Digipal Client's Logo
Mindguard Client's Logo
Wheretogo Client's Logo
Hooray! Client's Logo
Znam Majstora Client's Logo
Izbegni Aditive Client's Logo
Salona Client's Logo
Biznis Price Client's Logo
Dopelearn Client's Logo
Digipal Client's Logo
Mindguard Client's Logo
Wheretogo Client's Logo
Hooray! Client's Logo
Znam Majstora Client's Logo
Izbegni Aditive Client's Logo
Salona Client's Logo

Most mobile projects don’t fail fast. They fail later.

We keep your mobile system
under control.

Keep the same team on your product

We stay on your project long-term, so you always work with the same engineers who actually know the system.

Keep architecture understandable

We build and maintain code in a way that future engineers can easily understand and continue without guessing.

Keep iOS and Android aligned

We make sure both platforms evolve together so your product feels like one system, not two separate apps.

Keep delivery predictable

We structure development so you can actually estimate, plan, and trust what will be delivered next.

Keep complexity under control

We handle scaling and technical growth in a way that doesn’t introduce chaos or hidden instability over time.

Pioneers in KMP

We were among the early adopters of Kotlin Multiplatform in production mobile apps.

Over time, this allowed us to build strong internal expertise and proven patterns that allow our partners to rely on us, whether they’re starting a KMP project from scratch or migrating an existing app.

Check all our services
Kotlin Multiplatform Explained | Aetherius Mobile App Development Cmpany

Don’t Just Take Our Word For It, See What Our Clients Say.

More testimonials

“Thanks to Aetherius, the client met deadlines, maintained quality, and handled multiple projects without slowing down development. The team managed the project well and communicated through virtual meetings. The client also praised the developers' seniority and their quick integration.”

Client's Logo
Endre Tóth
CEO, Appsoluty Software

“Aetherius built SDKs for our apps across multiple platforms. The development process was smooth, and working with their team was a good experience from start to finish. Any questions we had were handled quickly.”

Client's Logo
Igor Lyubimov
Founder & CEO at web2wave

"Aetherius helped the client improve revenue and customer ratings. The team always provided content on time and took the initiative to solve things really quickly."

Felix Wolf
Senior Consultant & Program Manager, Merkle DACH

"Aetherius' work achieved the correct functionality, satisfying the client's expectations, and planning to collaborate on a larger project in the future."

Client's Logo
Mike Ralph
Managing Director, Band of Coders

"What stood out most about Aetherius was their exceptional adaptability and dynamic problem-solving approach."

Wheretogo Client's Logo
Yogesh Veeraraj
CTO, Wheretogo

"I worked with Aetherius team on an early-stage project. They were great at taking direction and executing a functional prototype of our concepts.

Would love to work with his team again."

Kin Client's Logo
Dmitry Zolotaryov
Ex Engineering Manager at Kin Social

"We have had a great experience with Aetherius Solutions. Their skilled developers provided us with clear and detailed information, ensuring effective communication throughout the project.

I would highly recommend them for any project you might have."

Client's Logo Ing
Srdjan Miladinovic
Sales Operations Manager,Ingsoftware

"Aetherius team reassured us with their experience and knowledge that there are still companies that respect agreements. We successfully executed our plans, and the team followed our desires throughout, consistently working on the Salona application."

Salona Client's Logo
Djordje Dimitrijevic
Founder & CEO, Salona

"We had a specific industry problem and wanted to help people solve it with a unique app. Our first plan was to test the MVP version in a couple of smaller cities in Serbia, but we didn't expect to encounter such positive reactions from users so quickly. Aetherius's team developed the first version in just 1 month with O bugs and issues!"

Znam Majstora Client's Logo
Katarina Ristic
Founder & COO, Znam Majstora

"Aetherius successfully completed the app, meeting our expectations.

Moreover, the team communicated effectively and frequently via email and messaging apps, ensuring a smooth collaboration. Overall, their promptness and ability to deliver on time were hallmarks of their work."

Marija Milosevic
Owner of SmartBIN

"Aetherius developers immediately identified why my app was experiencing bugs that had been a problem for over a year! After that, the number of downloads increased, and users told me it felt like they were using a completely new app. I especially appreciate their detailed reporting on the process."

Client's Logo
Hristina Lazarevic Milosevic
Founder and CEO, Avoid Additives

"Aetherius successfully delivered a functional cross-platform app on schedule, meeting all requirements. The team established a CI/CD pipeline and monitoring framework, enabling rapid iteration cycles. Aetherius' project management was well-structured and responsive. Their technical depth stood out."

Client's Logo
Vladimir Brkovic
BDM, Codepixel

Our Work in Action

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Aetherius | Tech Behemoths
Aetherius | Clutch Top App Development Company
Aetherius | Best Company
Aetherius | Top developers

Aetherius is listed among the world’s top
mobile app development companies.

Common Questions from Enterprise Teams

How quickly can your team start?
How do you handle IP ownership, NDAs, and security requirements?
Do you work with our internal teams or instead of them?
Native or cross-platform, how do you decide what to recommend?
What does a typical engagement start look like?
How do you price engagements?
What happens if a key engineer on our project leaves Aetherius?
Read More
Aleksa Simic CTO at Aetherius Mobile App Development Company ImageAleksandra Miljkovic Business Developer at Aetherius Image

Tell us about your project

You’re one step away from getting the right developers.

"Working with Aleksa and his team at Aetherius has been a great pleasure! He is very understanding, especially for people like me who aren't tech savvy, makes time to work on issues that come up, and is always willing to work hard to find a solution."

Erkin Jumayev
Erkin Jumayev
Co-Founder of Mindguard

"I worked with Aetherius team on an early-stage project. They were great at taking direction and executing a functional prototype of our concepts. Would love to work with his team again."

Dmitry Zolotaryov
Dmitry Zolotaryov
Ex Engineering Manager at Kin Social

"Aetherius developers immediately identified why my app was experiencing bugs that had been a problem for over a year! After that, the number of downloads increased, and users told me it felt like they were using a completely new app. I especially appreciate their detailed reporting on the process. Their team is reliable and truly cares about the success of my app!"

Hristina Lazarević Milosević
Hristina Lazarević Milosević
Founder and CEO, Avoid Additives

"What stood out most about Aetherius was their exceptional adaptability and dynamic problem-solving approach."

Yogesh Veeraraj
Yogesh Veeraraj
CTO, Wheretogo

"Aetherius' work achieved the correct functionality, satisfying the client's expectations, and planning to collaborate on a larger project in the future."

Mike Ralph
Mike Ralph
Managing Director, Band of Coders

“We had a specific industry problem and wanted to help people solve it with a unique app. Our first plan was to test the MVP version in a couple of smaller cities in Serbia, but we didn't expect to encounter such positive reactions from users so quickly. Aetherius Solution’s team developed the first version in just 1 month with 0 bugs and issues!”

Katarina Ristić
Katarina Ristić
Founder & COO, Znam Majstora

"We have had a great experience with Aetherius Solutions. Their skilled developers provided us with clear and detailed information, ensuring effective communication throughout the project. I would highly recommend them for any project you might have."

Srdjan Miladinovic
Srdjan Miladinovic
Sales Operations Manager, Ingsoftware

"Aetherius Solutions helped the client improve revenue and customer ratings. The team always provided content on time and took the initiative to solve things really quickly. ”

Felix Wolf
Felix Wolf
Senior Consultant & Program Manager, Merkle DACH

"Aetherius successfully completed the app, meeting our expectations. Moreover, the team communicated effectively and frequently via email and messaging apps, ensuring a smooth collaboration. Overall, their promptness and ability to deliver on time were hallmarks of their work."

Marija Milošević
Marija Milošević
Owner of SmartBIN

"Aetherius Solutions team reassured us with their experience and knowledge that there are still companies that respect agreements. We successfully executed our plans, and the team followed our desires throughout, consistently working on the Salona application."

Djordje Dimitrijević
Djordje Dimitrijević
Founder & CEO, Salona

"Their team was very easy to work with, and they genuinely cared about the success of our project. They managed the project efficiently, kept us updated regularly, and always responded quickly to changes or feedback."

Nemanja Dimic
Nemanja Dimic
Founder & CEO, BIT Events
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