---
title: "Card Adder 21 - Reviews, Revenue and Downloads in Canada | Apple 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 • Progres"
---

# Card Adder 21 — Canada
> Card Adding Mental Training

![Card Adder 21 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/3f/bd/c1/3fbdc19b-b8ff-c417-01b4-65a124318079/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Dot Business Integrated Solutions](https://apptail.io/developer/dot-business-integrated-solutions-xcMGn)
**Category:** Games
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** ai.cardadder.ios
**Store:** Apple App Store
**Country:** Canada
**Version:** 1.4.1 (released 2026-09-01)
**Original Release:** 2025-07-17
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ca/app/app/id6748666396)
**AppTail Page:** [https://apptail.io/app/card-adder-21-uslw/canada](https://apptail.io/app/card-adder-21-uslw/canada)

## Card Adder 21 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.

## Card Adder 21 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d7/ec/73/d7ec7324-da8f-c030-c13f-8a7fd0a876d4/0.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/98/33/91/98339138-8da2-a87b-a320-c47ee8a17d15/5.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/da/cf/2d/dacf2de8-c232-072c-0c5a-9b3eade6c9a8/2.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0f/92/66/0f9266ab-4c7c-d282-d3f4-da7924f99428/3.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/66/b6/f0/66b6f0ec-7397-ec38-7c33-43b1037a0968/4.png/1284x2778.png)

## Card Adder 21 Rating Breakdown in Canada
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Card Adder 21 Reviews in Canada

### ***** "Exactly What I Needed"
Have been trying to find an easy way to practise my counting and this is PERFECT! So much more confident now when I go out.
-- Van Zam, 2025-10-24

[View all Card Adder 21 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Card Adder 21 In-App Purchases
| Item | Price |
|------|-------|
| Card Adder 21 Pro Lifetime | $6.99 |



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## Card Adder 21 Available In
- [United States](https://apptail.io/app/card-adder-21-uslw/united-states)
- [Canada](https://apptail.io/app/card-adder-21-uslw/canada)
- [Czechia](https://apptail.io/app/card-adder-21-uslw/czechia)
- [Hungary](https://apptail.io/app/card-adder-21-uslw/hungary)
- [Kuwait](https://apptail.io/app/card-adder-21-uslw/kuwait)
- [Pakistan](https://apptail.io/app/card-adder-21-uslw/pakistan)
- [Russia](https://apptail.io/app/card-adder-21-uslw/russia)
- [Belarus](https://apptail.io/app/card-adder-21-uslw/belarus)
- [Vietnam](https://apptail.io/app/card-adder-21-uslw/vietnam)
- [Colombia](https://apptail.io/app/card-adder-21-uslw/colombia)

---

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