# Chaipang Addition vs SimpleMath

The clearest difference is update cadence: Chaipang Addition at fortnightly against SimpleMath's every 6 weeks. Chaipang Addition also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chaipang Addition sells 1 one-off in-app purchase and SimpleMath sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Chaipang Addition ships an update fortnightly, SimpleMath every 6 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Chaipang Addition | SimpleMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 136 MB | 438 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) | [立派 汪](https://appshunter.io/developer/1604350706) |

## What reviewers say

### Chaipang Addition

[App page](https://appshunter.io/ios/app/chaipang-addition/id1608482068)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 차이팡 덧셈 광고제거 | $2.99 | one-time |


### SimpleMath

[App page](https://appshunter.io/ios/app/simplemath-kids-math/id6789924663)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleMath Premium Monthly | $4.99 | per month |
| SimpleMath Premium Annual | $29.99 | per year |
| SimpleMath Premium Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Chaipang Addition free?

Chaipang Addition is free to download, with in-app purchases available.

### Is SimpleMath free?

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

### Do Chaipang Addition or SimpleMath have ads?

Neither Chaipang Addition nor SimpleMath shows ads.

### Which is updated more often, Chaipang Addition or SimpleMath?

Chaipang Addition ships an update fortnightly, and SimpleMath every 6 weeks. Most recently, Chaipang Addition was updated on October 7, 2026 and SimpleMath on October 16, 2026.

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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.*