Rule never sticks
Answer appears, but reason stays unclear. Same mistake returns later.
APP · PUBLIC LEARNING PRODUCT
An app that tells you why you were wrong.
Short lessons. Practice that reacts to your answer. Mistakes you can revisit. An assistant that explains rule in plain words.
This is our own app, not client work. It is free on Google Play. Every screen below is from live app.
LIVE PUBLISHED APP
LearnPracticeMistake logProgressAI help
Most grammar apps mark wrong and move on.
Learner needs reason, ordered practice, and help when explanation itself feels confusing.
Practice is random
Weak areas stay weak while easy topics appear again.
Nobody to ask
When explanation is confusing, learner needs another plain-English route.
Screens and how it works
01 · Path
A route, not pile of lessons.
Lessons stay ordered. Each step builds on last. Next action is always visible.
02 · Practice
Different drills for different needs.
Review, deep dives, matching, correction, writing, and mistake repair form one practice system.
03 · Short rounds
Practice fits few spare minutes.
Quick matching rounds make app useful while waiting, not only at desk.
04 · Help
Assistant explains rule.
Rozalia explains why one answer is right and another is wrong, using same plain language as lessons.
Product idea reached real published app.
Not mock-up. Accounts, progress, lessons, and help work together.
Published on Google Play.
Accounts, progress, and mistakes survive phone restart.
AI help stays inside taught lesson.
Written for people still learning English.
Built and kept running by Kaiku Labs.
Public build available to try.
Product idea needs first real version?
We build smallest working version, put it in front of users, then grow from evidence.