iPhone iPad

FREE in the App Store

What is it about?

HOW TO PLAY

App Details

Version

1.2.8

Rating

(1)

Size

75Mb

Genre

Card Education Board

Last updated

October 15, 2025

Release date

July 17, 2025

More info

App Store Description

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.

Get it for FREE in the App Store

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