# Smart DuDu: Basic Math

Android app · by Happy Solutions Studio · Education

Smart DuDu: Basic Math has 41,477 installs (+3.5% in 30 days), \#22,065 of 323,619 in Education.

## Figures

- Installs: 41,477
- Rating: unrated
- Price: Free
- In-app purchases: yes
- 30-day growth in installs: +1,392 (+3.5%)
- Rank: #283,763 of 2,980,097 Android listings with an install count (down 12,146 since 2026-11-06)
- Rank: #22,065 of 323,619 in Education

## Is Smart DuDu: Basic Math safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

- Listed on Google Play.
- Made by Happy Solutions Studio; developer website listed: happysolutionsstudio.com.
- On Google Play since 2026-02-27. Last updated 2026-08-06.

## Description

Smart DuDu: Basic Math is a gentle learning app designed to help you learn basic math operations (addition, subtraction, multiplication, and division) from 1 to 100 in a simple, stress-free way.  
  
Smart DuDu focuses on learning through repetition and familiarity — not scores, challenges, or pressure. There are no mini games, no tricky questions, and no performance tracking. The app is made purely for learning.  
  
How It Works:  
\- Each question has only two answer choices  
\- If you chooses the wrong answer, you can simply try again  
\- No penalties, no time limits, no pressure  
\- There is no concept of “how many questions must be completed.”  
\- No need to think of or create math exercises  
\- No pressure to push progress or results  
\- A safe, focused environment for learning, ads free.  
  
Smart DuDu is made to be comfortable and enjoyable for everyone, so we keep it completely ads-free to ensure a safe and distraction-free experience. You can practice with 10 free questions each day, and unlimited practice is available through an optional subscription. Your support helps us maintain a clean and focused space dedicated purely to learning.

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Source: https://storetally.com/android/com.happysolutionsstudio.duduplus  
As of 2026-11-14, from the StoreTally census.