# Chaipang Subtraction vs Learn to Count By

The clearest difference is in-app purchases: Learn to Count By at none against Chaipang Subtraction's 1. Chaipang Subtraction's advantage is update cadence (every 3 months vs every 15 months) and iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Chaipang Subtraction sells 1 one-off in-app purchase. Learn to Count By asks for nothing beyond the download.

Chaipang Subtraction ships an update every 3 months, Learn to Count By every 15 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chaipang Subtraction | Learn to Count By |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 15 months |
| Size | 136 MB | 47 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) | [Software Andina](https://appshunter.io/developer/304773269) |

## What reviewers say

### Chaipang Subtraction

[App page](https://appshunter.io/ios/app/chaipang-subtraction/id1614401871)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Learn to Count By

[App page](https://appshunter.io/ios/app/learn-to-count-by/id6478028079)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chaipang Subtraction free?

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

### Is Learn to Count By free?

Learn to Count By is free to download, with no in-app purchases.

### Do Chaipang Subtraction or Learn to Count By have ads?

Neither Chaipang Subtraction nor Learn to Count By shows ads.

### Which is updated more often, Chaipang Subtraction or Learn to Count By?

Chaipang Subtraction ships an update every 3 months, and Learn to Count By every 15 months. Most recently, Chaipang Subtraction was updated on October 7, 2026 and Learn to Count By on September 24, 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.*