Interactive demo
Mobile apps2026
Al-Yaqiin اليقين
Prayer times, the full Quran with recitation, athkar and qibla — in one calm, bilingual app.
View project
يقين Software development studio
Software builtwith certainty.
YAQIIN Studio designs and builds applications, interfaces and websites — Android apps, business systems, AI-assisted tools and fast, multilingual web platforms. Every project here is real, and you can try most of them right now.
The studio
Thoughtful software for the people who use it.
We are a small, hands-on studio. We take a project from the first conversation to the shipped product and look after it afterwards — the same people designing, building and testing it.
Our work is grounded in the realities of our users: Arabic and French alongside English, phones before desktops, patchy connections, cash on delivery. We design for those conditions instead of around them, and we hold our own work to an audited standard.
Services
Four ways we help.
From a single screen to a multi-platform system, we cover the whole path: design, development and the digital services that keep products sharp.
01
Application development
Native and cross-platform apps for Android, Windows and the web — from first screen to signed release.
Learn more 02UI/UX design
Interfaces that feel obvious: clear flows, considered type and colour, and Arabic done properly.
Learn more 03Website development
Fast, accessible websites and web platforms — from a club site to a trilingual news platform.
Learn more 04Digital services
Machine-learning features, chatbots, data tools and audits that make existing products better.
Learn moreSelected work
All 13 projects Real projects. Try them.
App screens
Mobile apps2026
Chlef Delivery
A four-role delivery marketplace for the wilaya of Chlef: customers, shops, drivers and an admin.
View projectInteractive demo
Business software2026
Électroménager BOUZIANE
Instalment contracts, stock, purchases and expenses for a home-appliance shop — one account on every device.
View projectRecorded walkthrough
AI & data tools2026
FixPilot
Guided diagnosis for eight everyday systems, from Wi-Fi to cars, powered by per-category decision trees.
View projectInteractive demo
Websites & platforms2026
DZ TODAY
An Algerian news site in English, French and Arabic, with a chatbot that understands Darija.
View projectLive application
Websites & platforms2026
Darajat Academy درجات أكاديمي
A fast, accessible Arabic website for a training centre in Chlef, built for every age of visitor.
View projectCapabilities
One studio, every layer.
The platforms and tools behind the portfolio — chosen per project, not by habit.
Platforms we ship to
AndroidKotlin + Jetpack Compose, or React + Capacitor
WindowsDesktop programs with Electron
WebWebsites, web apps and platforms
Machine learningPython models, served or run in the browser
Tools in daily use
Front end
ReactTypeScriptViteTailwind CSSFramer MotionHTML & CSS
Mobile & desktop
KotlinJetpack ComposeRoomCapacitorElectron
Back end & data
PythonFlaskFirebaseSupabaseNode.jsExcel pipelines
AI & quality
scikit-learnpandasPlaywrightRobolectricAutomated audits
How we work
A process you can follow.
Understand
We start with the people who will use it, the problem and the constraints — budget, devices, languages, connectivity.
Design
Flows and interfaces are designed and agreed before code, with the design system written down.
Build & verify
We build in small, working increments with automated checks, and test on real devices.
Launch & care
We ship, document how to run and change it, and stay available to maintain it.
Start a project
Have a project in mind?
Tell us what you are building. We will reply with honest questions, a clear approach and the next step.