---
title: "5to9 - Reviews, Revenue and Downloads in South Korea | Apple App Store"
description: "백분위 ↔ 5등급 ↔ 9등급 통합 변환 계산기  본 앱은 고등학교 **내신 등급제 변경(5등급제/9등급제 혼용)**에 맞춰 개발된 맞춤형 성적 변환 계산기입니다.  자신의 내신 등급(5등급 또는 9등급)을 백분위 성적으로 쉽고 빠르게 상호 변환하여 입시 전략 수립에 활용할 수 있습니다.  주요 변환 기준은 교육청(예: 경기진학, 부산청)의 공개 자료를 기반"
---

# 5to9 — South Korea
> 내신 등급 변환 계산기

![5to9 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/04/85/b5/0485b593-72c2-847b-f2fd-1bf6856c58c0/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-tXSb)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.angmulgo.TheGrade
**Store:** Apple App Store
**Country:** South Korea
**Version:** 1.2 (released 2025-11-20)
**Original Release:** 2025-11-19
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/kr/app/app/id6755388538)
**AppTail Page:** [https://apptail.io/app/5to9-kItx/south-korea](https://apptail.io/app/5to9-kItx/south-korea)

## 5to9 Description
백분위 ↔ 5등급 ↔ 9등급 통합 변환 계산기

본 앱은 고등학교 **내신 등급제 변경(5등급제/9등급제 혼용)**에 맞춰 개발된 맞춤형 성적 변환 계산기입니다. 
자신의 내신 등급(5등급 또는 9등급)을 백분위 성적으로 쉽고 빠르게 상호 변환하여 입시 전략 수립에 활용할 수 있습니다. 
주요 변환 기준은 교육청(예: 경기진학, 부산청)의 공개 자료를 기반으로 합니다.

## 5to9 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3f/da/47/3fda47bd-0a8f-1716-6e71-6667790abdd3/canvas-1.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/03/a8/a2/03a8a292-f39a-ee17-07b8-847136b68a96/canvas-2.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/88/ed/1c/88ed1c40-ea62-63f3-57c1-e7ed438947ae/canvas-3.png/1242x2688.png)

## 5to9 Rating Breakdown in South Korea
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## 5to9 Reviews in South Korea

### ***** "너무 좋아요"
필요했던 건데 유용하게 사용할 수 있을것 같습니다 감사합니다
-- Tchercgyr, 2025-11-20

[View all 5to9 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)





## 5to9 Available In
- [South Korea](https://apptail.io/app/5to9-kItx/south-korea)
- [Bulgaria](https://apptail.io/app/5to9-kItx/bulgaria)
- [Bahrain](https://apptail.io/app/5to9-kItx/bahrain)
- [Belize](https://apptail.io/app/5to9-kItx/belize)
- [Switzerland](https://apptail.io/app/5to9-kItx/switzerland)
- [Chile](https://apptail.io/app/5to9-kItx/chile)
- [Germany](https://apptail.io/app/5to9-kItx/germany)
- [Algeria](https://apptail.io/app/5to9-kItx/algeria)
- [Estonia](https://apptail.io/app/5to9-kItx/estonia)
- [United Kingdom](https://apptail.io/app/5to9-kItx/united-kingdom)
- [Hong Kong SAR China](https://apptail.io/app/5to9-kItx/hong-kong)
- [Italy](https://apptail.io/app/5to9-kItx/italy)
- [Jamaica](https://apptail.io/app/5to9-kItx/jamaica)
- [Jordan](https://apptail.io/app/5to9-kItx/jordan)
- [Kuwait](https://apptail.io/app/5to9-kItx/kuwait)
- [Lithuania](https://apptail.io/app/5to9-kItx/lithuania)
- [Latvia](https://apptail.io/app/5to9-kItx/latvia)
- [North Macedonia](https://apptail.io/app/5to9-kItx/north-macedonia)
- [Mali](https://apptail.io/app/5to9-kItx/mali)
- [Macao SAR China](https://apptail.io/app/5to9-kItx/macau)
- [Malta](https://apptail.io/app/5to9-kItx/malta)
- [Mexico](https://apptail.io/app/5to9-kItx/mexico)
- [Nigeria](https://apptail.io/app/5to9-kItx/nigeria)
- [Nepal](https://apptail.io/app/5to9-kItx/nepal)
- [Oman](https://apptail.io/app/5to9-kItx/oman)
- [Panama](https://apptail.io/app/5to9-kItx/panama)
- [Qatar](https://apptail.io/app/5to9-kItx/qatar)
- [Russia](https://apptail.io/app/5to9-kItx/russia)
- [Singapore](https://apptail.io/app/5to9-kItx/singapore)
- [Slovenia](https://apptail.io/app/5to9-kItx/slovenia)
- [Slovakia](https://apptail.io/app/5to9-kItx/slovakia)
- [Senegal](https://apptail.io/app/5to9-kItx/senegal)
- [Türkiye](https://apptail.io/app/5to9-kItx/turkey)
- [Taiwan](https://apptail.io/app/5to9-kItx/taiwan)
- [Ukraine](https://apptail.io/app/5to9-kItx/ukraine)
- [Uganda](https://apptail.io/app/5to9-kItx/uganda)
- [Angola](https://apptail.io/app/5to9-kItx/angola)
- [Uzbekistan](https://apptail.io/app/5to9-kItx/uzbekistan)

---

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