# Card Maths vs Dot & Think

The clearest difference is iOS requirement: Dot & Think at 15.6 against Card Maths's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Card Maths sells 4 one-off in-app purchases and Dot & Think sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Card Maths | Dot & Think |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/card-maths-kids-mental-math/id1187800706/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 17 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [晓飞 何](https://appshunter.io/developer/1129686214) | [弦芳 梁](https://appshunter.io/developer/1542757874) |

## What reviewers say

### Card Maths

[App page](https://appshunter.io/ios/app/card-maths-kids-mental-math/id1187800706)

This app uses a flashcard-style interface to help children practice mental arithmetic. It offers customizable drills for addition, subtraction, multiplication, and division, with motivational rewards to build confidence and track progress.

**Highlights:** Flashcard-style interface, Customizable arithmetic drills, Progress tracking (speed, accuracy), Motivational rewards (levels, medals), Addition, subtraction, multiplication, division practice, Supports 2- and 3-digit numbers

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Edition | Free | one-time |
| 1-Month License | $0.99 | one-time |
| 12-Month License | $8.99 | one-time |
| Lifetime License | $17.99 | one-time |


### Dot & Think

[App page](https://appshunter.io/ios/app/dot-and-think/id6801041621)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $4.99 | per year |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Card Maths free?

Card Maths is free to download, with in-app purchases available.

### Is Dot & Think free?

Dot & Think is free to download, with in-app purchases available.

### Do Card Maths or Dot & Think have ads?

Neither Card Maths nor Dot & Think shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*