SaaS development
Web platforms with accounts, payments, dashboards and admin panels — hosted, monitored and updated by us.
North Macedonia · Kosovo · Switzerland · Germany
We build the software your company runs on — and the AI behind it.
SaaS platforms, iOS & Android apps, AI and automation — designed, built and operated by one team. Our products are live on the App Store, and our AI runs on our own hardware.
- Apps live on the App Store
- Own AI lab: DGX Spark + RTX 5090
- Engineers inside big tech teams
What we deliver
SaaS platformsiOS appsAndroid appsAI assistantsVoice & speech AIDocument automationCompany websitesSEO & AI searchPrivate cloudTeam extension
What we do
One team, from idea to running product.
We don't hand over a file and disappear. We build it, launch it and keep it running.
iOS & Android apps
Native SwiftUI and Kotlin apps, published under our own developer account. We know App Store review inside out.
AI development
Custom models for speech, text and documents, trained on our own GPUs. Assistants that know your business and your language.
Company automation
Invoices, scanning, e-mail, scheduling and reporting handed to software — your people do the work that matters.
Websites & SEO
Company websites that bring in leads, found on Google and in AI search — with your own business cockpit.
Rex Business Cockpit →Private cloud & IT
Your own e-mail, documents and collaboration on servers you control — a safe exit from expensive subscriptions.
Team extension
Our engineers work inside big tech companies.
Large technology companies trust our people as part of their own teams. Developers, designers and AI engineers join your projects, work in your tools and sprints, and stay for the long run — managed by Rex Solution, with no hiring overhead for you.
MK
North MacedoniaRex Solution team
XK
KosovoRex Solution team
CH
SwitzerlandRex Solution team
DE
GermanyRex Solution team
- Dedicated engineers who work only on your product
- iOS, Android, web, backend, cloud and AI specialists
- Same European time zone, fluent English
- Scale the team up or down with your roadmap
Rex Business Cockpit
A website that brings customers — and a cockpit to run it.
Design, SEO, Google and AI-search visibility, lead capture, booking, job applications, your own business cockpit, hosting, backups and support. One package, your brand only.
Our AI lab
Our AI runs in-house. Your data never leaves.
Most agencies rent AI from big platforms and send your data with it. We train and run our own models on our own hardware — tuned to your business, with predictable cost and full privacy.
NVIDIA DGX SparkLarge models
128 GB
unified memory — runs language models with up to 200 billion parameters, AI agents and video, fully on-premise.
NVIDIA RTX 5090Training
32 GB
GDDR7 — trains our speech and voice models, transcription, image generation and fast inference.
Already in production
- Our own trained narrator voices for audiobooks
- Albanian speech recognition we fine-tuned ourselves
- Document scanning and invoice extraction
- Otima AI assistant for company teams
- Strong in Albanian, German and English
Client work
Apps and platforms we built for clients.
Taxi, delivery, grocery, health, travel, payments, jobs and sports — a few of many projects.
AR Taxi
Booking app for riders and drivers, with a marketing website.
Sach Pizza
Menu, cart and delivery tracking for a pizza restaurant.
Gol Fresh Market
Online grocery ordering app and website for a supermarket.
Eco Care
COVID self-test app with ID check and guided test steps.
Our products
We don't only build for clients. We run our own.
Every product below is designed, built and operated by Rex Solution. The same skills go into your project.
AI operating system
Otima
An AI OS for companies: e-mail, documents, meetings and a built-in AI assistant in one place, on private servers. Otima agents learn a task once and repeat it automatically.
otima.ai →
AI for books
iLibri Studio
Turns a book into an audiobook: text recognition, cleanup and narration with voices we trained ourselves — quality-checked automatically by our own speech-recognition model. Powers the iLibri-Shqip audiobook app.
ilibri.app →
Travel eSIM
iLiria eSIM
One eSIM for every country — mobile data abroad without roaming fees or a physical SIM. Install in a minute, top up from the app, in Albanian, German and English.
App Store →On the App Store
Our apps, live and in use.
iLiria
TravelOne eSIM for every country. No roaming, no SIM card, no queue at the airport.
iVeç
Photo & VideoPrivate photo & video vault, AES-256 encrypted on the device. No cloud, no account.
iSkano
ProductivityFree document scanner — no ads, no watermark, no subscription. Runs fully on iPhone.
Possible Employee
BusinessEmployee self-service for a hospitality company: QR clock-in, schedules, leave requests.
iLibri-Shqip
BookThe first Albanian audiobook platform — narrated books, offline listening, CarPlay.
How we work
Simple process. Clear result.
- Talk
A short call about your business and the problem. No jargon, no obligation.
- Plan
A written proposal with scope and timeline, so you know exactly what you get.
- Build
Working versions early and often — you see progress, not just reports.
- Launch & care
We publish, host and maintain. Support 7 days a week, holidays included.
Contact
Have a project in mind?
Tell us what you want to build or automate. We reply within one working day.