Mobile apps
Fast, stable and ready to scale — iOS and Android. Swift, Kotlin, Flutter, React Native.
Independent product studio
We build intelligent apps with AI.
We help companies and founders ship modern mobile and web applications that solve real problems — from idea to design to launch on the App Store, Google Play and the cloud.
11+
apps in the portfolio
3
platforms: iOS, Android, web
AI
in every product
What we do
From idea to launch — on every platform.
Web platforms
Modern web solutions tailored to your business — from MVP to production scale.
AI & integrations
We ship AI features, glue systems together and automate workflows — to move real metrics.
Selected work
Products we have already shipped.
Four apps from the Kandyb Studio portfolio — fintech, education and wellness.
Hossa AI
Long-term AI quality scoring for every stock on the Warsaw Stock Exchange and NewConnect — a six-pillar composite.
Hossa Score
87
Premier · 762 tickers
ThesisEdge
Backtest any stock strategy described in plain language — an AI engine turns your words into parameters.
Backtest
9.4%
CAGR · Max DD −34%
PFE Coach
An app for USAF airmen preparing for the Promotion Fitness Examination — FSRS-4.5 spaced repetition.
Question 4 / 12
A · Spaced repetition
B · Cramming
C · Re-reading
Dobranoc
An audio app that actually helps you fall asleep — calming sounds, bedtime stories and short meditations.
Dobranoc
Timer · 25:00
All apps
Every product has its own page.
Description, privacy policy, terms, data deletion and support — for each app separately.
Let's talk
hello@kandyb-studio.eu
Got an app idea? Let's start with a conversation.
The best projects start with a good coffee and one specific sentence.