# 키위뮤직(교육동요, 음원, BGM) vs 랠리즈(Rallyz)

The clearest difference is in-app purchases: 랠리즈(Rallyz) at none against 키위뮤직(교육동요, 음원, BGM)'s 2. 랠리즈(Rallyz) also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 키위뮤직(교육동요, 음원, BGM) sells 2 in-app purchases, starting at $6.49 per month. 랠리즈(Rallyz) asks for nothing beyond the download.

키위뮤직(교육동요, 음원, BGM) ships an update every 3 months, 랠리즈(Rallyz) every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 키위뮤직(교육동요, 음원, BGM) | 랠리즈(Rallyz) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 52 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Soribotari Inc.](https://appshunter.io/developer/1515455584) | [Woongjin Compass, Co., Ltd.](https://appshunter.io/developer/393294989) |

## What reviewers say

### 키위뮤직(교육동요, 음원, BGM)

[App page](https://appshunter.io/ios/app/bgm/id1515455585)

This music platform offers thousands of licensed songs for educational use, with commercial rights available upon purchase. It provides a vast library of music categorized by subject and theme, suitable for various teaching needs. Enjoy offline playback and a user-friendly player with essential features.

**Highlights:** Licensed music for commercial use, Thousands of educational songs, Subject and theme categorization, Offline playback support, Easy-to-use music player, Background playback, Content creator tools

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 무한 스트리밍 1개월 | $6.49 | per month |
| 무한 스트리밍 1년 | $45.99 | per year |


### 랠리즈(Rallyz)

[App page](https://appshunter.io/ios/app/rallyz/id6443887361)

This app simplifies attendance tracking for educational institutions. It allows for quick, one-second check-ins using the last four digits of a phone number and automatically notifies parents. Enjoy a seamless and intuitive experience designed to enhance daily operations.

**Highlights:** 1-second attendance check-in, Parent notifications, Intuitive UI, Free to use, App-based platform

**In-app purchases:** none


## Frequently asked questions

### Is 키위뮤직(교육동요, 음원, BGM) free?

키위뮤직(교육동요, 음원, BGM) is free to download, with in-app purchases available.

### Is 랠리즈(Rallyz) free?

랠리즈(Rallyz) is free to download, with no in-app purchases.

### Do 키위뮤직(교육동요, 음원, BGM) or 랠리즈(Rallyz) have ads?

Neither 키위뮤직(교육동요, 음원, BGM) nor 랠리즈(Rallyz) shows ads.

### Which is updated more often, 키위뮤직(교육동요, 음원, BGM) or 랠리즈(Rallyz)?

키위뮤직(교육동요, 음원, BGM) ships an update every 3 months, and 랠리즈(Rallyz) every 5 weeks. Most recently, 키위뮤직(교육동요, 음원, BGM) was updated on October 24, 2026 and 랠리즈(Rallyz) on October 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.*