# Chaipang Addition vs Simple Math

The clearest difference is in-app purchases: Simple Math at none against Chaipang Addition's 1. Chaipang Addition's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chaipang Addition sells 1 one-off in-app purchase. Simple Math asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Chaipang Addition | Simple Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 136 MB | 31 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) | [永生 刘](https://appshunter.io/developer/830484999) |

## 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 |


### Simple Math

[App page](https://appshunter.io/ios/app/simple-math-achieve-greatness/id1664655012)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chaipang Addition free?

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

### Is Simple Math free?

Simple Math is free to download, with no in-app purchases.

### Do Chaipang Addition or Simple Math have ads?

Neither Chaipang Addition nor Simple Math shows ads.

### Which is updated more often, Chaipang Addition or Simple Math?

Chaipang Addition ships an update fortnightly, and Simple Math fortnightly. Most recently, Chaipang Addition was updated on November 3, 2026 and Simple Math on October 27, 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.*