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App Store Apps > Education > Add and subtract within 20
Add and subtract within 20 icon

Add and subtract within 20

by Sergey Malugin · Education · $2.99
On the App Store since December 2013 · Data updated 2026-10-17
App Store

Add and subtract within 20 is made and published by Sergey Malugin. AppBrain is an independent app data site and isn't affiliated with Sergey Malugin. The app name, icon, screenshots and description belong to Sergey Malugin and are shown as published on the App Store.

AppBrain's verdict

Last updated
March 8, 2025

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Releases

Updates seen on the App Store
Version
5.0.0
Launched
December 2013

No changelog data

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Technology

Found in the app by AppBrain
Price
$2.99
App size
17.9 MB
Content rating
Everyone

Technologies used by Add and subtract within 20

About the app and developer

About Add and subtract within 20

Add and subtract within 20 is an education app developed by Sergey Malugin.

User Ratings

The app has no ratings yet.

App Information

Add and subtract within 20 costs $2.99. The app size is 17.90 MB. The latest version available is 5.0.0. The last update was on March 8, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since December 2013.

Developer information for Sergey Malugin

Sergey Malugin

Address:

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Store listing

By Sergey Malugin, from the App Store
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Screenshots by Sergey Malugin, from the the App Store listing
Description by Sergey Malugin Written by the developer, not by AppBrain. Click to read.
Transform Math Practice into an Exciting Adventure!

Are you looking for an engaging way to help your child master addition and subtraction within 20? Our app combines education with entertainment, offering a unique experience that makes learning math both fun and effective.

Key Features:

Interactive Mini-Games: Children can enjoy a variety of simple yet captivating mini-games that make math practice enjoyable.

Handwriting Recognition: Leveraging advanced handwritten digit recognition technology, the app allows children to write their answers naturally, enhancing both their math skills and handwriting.

Adaptive Difficulty: The app adjusts the level of difficulty based on your child's progress, ensuring a personalized learning experience that keeps them challenged yet motivated.

Why Choose Our App?

Natural Learning Experience: By allowing handwriting input, children can focus on solving problems without the distractions of multiple-choice questions or keyboard input, promoting better concentration and learning outcomes.

Skill Enhancement: Designed specifically to improve addition and subtraction skills with numbers up to 20, our app provides targeted practice to build a strong mathematical foundation.

Engaging Content: The fun mini-games and adaptive challenges keep children engaged, making them more likely to practice regularly and develop a love for math.
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