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App Store Apps > Games > Card Games > Card Adder 21
Card Adder 21 icon

Card Adder 21

by Dot Business Integrated Solutions · Games · Free
On the App Store since July 2025 · Data updated 2026-10-27

Card Adder 21 is made and published by Dot Business Integrated Solutions. AppBrain is an independent app data site and isn't affiliated with Dot Business Integrated Solutions. The app name, icon, screenshots and description belong to Dot Business Integrated Solutions and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
5.00
1 ratings
Last updated
September 1, 2026
Size
79.3 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Card Adder 21 for iOS

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Store listing

By Dot Business Integrated Solutions, from the App Store
Card Adder 21 Screenshot 1 of 5
Card Adder 21 Screenshot 2 of 5
Card Adder 21 Screenshot 3 of 5
Card Adder 21 Screenshot 4 of 5
Card Adder 21 Screenshot 5 of 5
Screenshots by Dot Business Integrated Solutions, from the the App Store listing
Description by Dot Business Integrated Solutions Written by the developer, not by AppBrain. Click to read.
HOW TO PLAY
Cards are dealt one by one. Keep track of the running total to progress through levels. What level can you reach?

FEATURES
• Progressive difficulty levels with a timed challenge
• Progress tracking
• Ads are ONLY shown on losing segments

COMING SOON
• Game Center high scores and community records
• Personalized progress tracking

Perfect for anyone wanting to improve their mental adding and counting skills.

Download Card Adder 21 and make counting fun.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
79.3 MB
Content rating
Everyone

Technologies used by Card Adder 21

Releases

Updates seen on the App Store
Version
1.4.1
Launched
July 2025

No changelog data

Alternatives

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Rankings

App Store top charts

App Store Rankings for Card Adder 21

This app is not ranked

About the app and developer

About Card Adder 21

Card Adder 21 is a games app developed by Dot Business Integrated Solutions.

What is the rating of Card Adder 21?

Card Adder 21 is rated 5.00 out of 5 stars, based on one rating ratings.

Is Card Adder 21 free?

Card Adder 21 is free. The app size is 79.26 MB. The latest version available is 1.4.1. The last update was on September 1, 2026.

What are the requirements for Card Adder 21?

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

Developer information for Dot Business Integrated Solutions

Dot Business Integrated Solutions

Address:

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