Lulubyunta Calc Lab

Dr. Lulubyunta’s Calculation Lab is a fun and interactive brain-training app designed to boost your mental math skills.

From simple addition and subtraction to flash mental arithmetic and multiplication, the app features a wide range of calculation modes. Choose from three difficulty levels (Beginner, Intermediate, Advanced) and challenge yourself at your own pace.

Each correct answer earns Player Points (PP), which you can use to unlock and collect adorable animal character images. The more you play, the better your speed and accuracy become—without even realizing it!

Key Features:

Multiple game modes: Mental math, flash calculations, written-style addition, and more

Difficulty settings (Beginner / Intermediate / Advanced)

Combo bonuses and time-based bonuses

Fun and rewarding collection system

Available in both English and Japanese

Simple and intuitive one-question-at-a-time gameplay

Portrait layout optimized for smartphones

Train your brain while collecting cute characters!
Perfect for learning during short breaks or daily routines.