# [B단계] 스마트 이야기독서 vs Chaipang Multiplication

The clearest difference is in-app purchases: [B단계] 스마트 이야기독서 at none against Chaipang Multiplication's 1. Chaipang Multiplication's advantage is update cadence (every 3 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chaipang Multiplication sells 1 one-off in-app purchase. [B단계] 스마트 이야기독서 asks for nothing beyond the download.

[B단계] 스마트 이야기독서 ships an update every 12 months, Chaipang Multiplication every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | [B단계] 스마트 이야기독서 | Chaipang Multiplication |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chaipang-multiplication/id1615331704/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 303 MB | 135 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)교원구몬](https://appshunter.io/developer/1800639087) | [Wecref Co., Ltd.](https://appshunter.io/developer/1570555584) |

## What reviewers say

### [B단계] 스마트 이야기독서

[App page](https://appshunter.io/ios/app/b/id1208047214)

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

**In-app purchases:** none


### Chaipang Multiplication

[App page](https://appshunter.io/ios/app/chaipang-multiplication/id1615331704)

This game-based learning app helps children improve their multiplication skills through engaging card games. Players compete against characters with varying calculation abilities, earning stars and climbing ranks to achieve the highest score.

**Highlights:** Improves calculation speed and accuracy, Game-based learning approach, Card game format, Character-based ranking system, Star block rewards, Crown for highest score

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 차이판 구구단 광고제거 | $2.99 | one-time |


## Frequently asked questions

### Is [B단계] 스마트 이야기독서 free?

[B단계] 스마트 이야기독서 is free to download, with no in-app purchases.

### Is Chaipang Multiplication free?

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

### Do [B단계] 스마트 이야기독서 or Chaipang Multiplication have ads?

Neither [B단계] 스마트 이야기독서 nor Chaipang Multiplication shows ads.

### Which is updated more often, [B단계] 스마트 이야기독서 or Chaipang Multiplication?

[B단계] 스마트 이야기독서 ships an update every 12 months, and Chaipang Multiplication every 3 months. Most recently, [B단계] 스마트 이야기독서 was updated on October 29, 2026 and Chaipang Multiplication on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*