Problem
Revision material was scattered, so exam-format practice was weak.
Case study
X-Maths
A maths app for high school and BIOF baccalaureate: summaries, corrected exercises, and exam-style papers.
From Google Play
Solution
One app for concise course sheets, exercise sets with answers, and national/regional exam samples.
Technologies
Flutter · Firebase · Educational content
Capabilities
Course summaries · Exercises with solutions · Exam and assignment papers · BIOF / high-school path
Challenge
Fit a dense school programme into a revision app.
Idea
Summary, drill, exam paper — one loop.
Research
Exam format practice beats endless theory.
Product strategy
Core levels first, then more paper types.
UX / UI
Fast path to the chapter and the exercise.
Architecture
Live education app with content structured by level and chapter.
Development
Flutter, shipped on Google Play.
Backend
Structured content services.
AI
Help belongs only if it serves an exercise — not a generic chatbot.
Testing
Open sheet, exercise, exam sample.
Launch
Google Play as an education product.
After launch
Chapters and drills according to real school use.
Result
Live on Google Play as X-Maths — the store listing is public.