# Chaipang Addition vs GridMath

The clearest difference is update cadence: GridMath at daily against Chaipang Addition's fortnightly. 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 GridMath sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Chaipang Addition ships an update fortnightly, GridMath daily. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Chaipang Addition | GridMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 136 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) | [Wojciech Szczurek](https://appshunter.io/developer/1454681479) |

## 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 |


### GridMath

[App page](https://appshunter.io/ios/app/gridmath/id6754144816)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Tokens | $2.99 | one-time |
| 50 Tokens | $4.99 | one-time |
| 100 Tokens | $5.99 | one-time |


## Frequently asked questions

### Is Chaipang Addition free?

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

### Is GridMath free?

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

### Do Chaipang Addition or GridMath have ads?

Neither Chaipang Addition nor GridMath shows ads.

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

Chaipang Addition ships an update fortnightly, and GridMath daily. Most recently, Chaipang Addition was updated on October 7, 2026 and GridMath on October 8, 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.*