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App Store Apps > Education > Subtractor - By Mather
Subtractor - By Mather icon

Subtractor - By Mather

by David Kelen · Education · Free
On the App Store since February 2025 · Data updated 2026-10-30

Subtractor - By Mather is made and published by David Kelen. AppBrain is an independent app data site and isn't affiliated with David Kelen. The app name, icon, screenshots and description belong to David Kelen and are shown as published on the App Store.

AppBrain's verdict

Last updated
February 28, 2025
Official page on the App Store

Rankings

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This app is not ranked

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Releases

Updates seen on the App Store
Version
1.2.0
Launched
February 2025

No changelog data

User feedback

Ratings and reviews on the App Store

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Technology

Found in the app by AppBrain
Price
Free
App size
439.0 KB
Content rating
Everyone

Technologies used by Subtractor - By Mather

About the app and developer

About Subtractor - By Mather

Subtractor - By Mather is an education app developed by David Kelen.

User Ratings

The app has no ratings yet.

App Information

Subtractor - By Mather is freely available from the App Store. The app size is 439.00 kB. The latest version available is 1.2.0. The last update was on February 28, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since February 2025.

Developer information for David Kelen

David Kelen

Address:

Frequently asked questions about Subtractor - By Mather

Is Subtractor - By Mather free?

Yes. Subtractor - By Mather is free on the App Store.

Is Subtractor - By Mather still available?

Yes. Subtractor - By Mather is on the App Store, and the last update we saw was on February 28, 2025.

How large is Subtractor - By Mather?

Subtractor - By Mather is 439.00 kB.

Is Subtractor - By Mather suitable for children?

App Store rates the content of Subtractor - By Mather as suitable for everyone.

Who made Subtractor - By Mather?

Subtractor - By Mather was developed by David Kelen. It is listed in the education category on the App Store.

What are the best alternatives to Subtractor - By Mather?

People looking at Subtractor - By Mather also look at these education apps: Homework Helper - Learn Math, Math Challenge Multiplication, Subtraction Mathematics, CompTracker, Kyoku Flashcards Lite.

Share Subtractor - By Mather

Store listing

By David Kelen, from the App Store
Subtractor - By Mather Screenshot 1 of 4
Subtractor - By Mather Screenshot 2 of 4
Subtractor - By Mather Screenshot 3 of 4
Subtractor - By Mather Screenshot 4 of 4
Screenshots by David Kelen, from the the App Store listing
Description by David Kelen Written by the developer, not by AppBrain. Click to read.
Subtractor is a native iOS app coded in Swift, designed as a personal project to help students master subtractions effortlessly. With interactive exercises, customizable practice sessions, and progress tracking, Subtractor creates an engaging learning experience tailored to individual needs. Its sleek, distraction-free interface and responsive design make it a perfect tool for students, parents, and educators seeking to build strong foundational math skills.
Official page on the App Store
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