# Addition simulator vs Chaipang Addition

The clearest difference is in-app purchases: Addition simulator at none against Chaipang Addition's 1. Addition simulator also leads on update cadence (every 6 days vs fortnightly). Chaipang Addition's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Addition simulator ships an update every 6 days, Chaipang Addition fortnightly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Addition simulator | Chaipang Addition |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 7 MB | 136 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anton Golovatuk](https://appshunter.io/developer/510289187) | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) |

## What reviewers say

### Addition simulator

[App page](https://appshunter.io/ios/app/addition-simulator/id1590804374)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Addition simulator free?

Addition simulator is free to download, with no in-app purchases.

### Is Chaipang Addition free?

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

### Do Addition simulator or Chaipang Addition have ads?

Neither Addition simulator nor Chaipang Addition shows ads.

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

Addition simulator ships an update every 6 days, and Chaipang Addition fortnightly. Most recently, Addition simulator was updated on October 17, 2026 and Chaipang Addition on October 7, 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.*