# Sumi: Korean CSAT Vocabulary — Past Exams, Mock Tests and EBS

> Past Exams, Mock Tests and EBS (iPhone/iPad app by youngmo song.)

- Source: https://appshunter.io/ios/app/sumi-korean-csat-vocabulary/id6751647537 (this page in markdown: same URL + `.md`)
- Developer: [youngmo song](https://appshunter.io/developer/1588397687)
- Category: Education, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 220 MB
- Released: 2025-08-29
- Data updated: 2026-09-05
- User reviews in markdown: https://appshunter.io/ios/app/sumi-korean-csat-vocabulary/id6751647537/reviews.md

## What is Sumi?

Sumi is a vocabulary app built for Korea's CSAT English exam, KICE mock tests, and EBS study materials.

See how often a word appeared and where it was used. Start with the sentence containing the word, then open the original question and reveal its answer when you need the full context.

Key features
- Separate frequency evidence for CSAT, KICE mock tests, and EBS
- Original occurrence sentences and question context
- Example sentences with Korean translations
- Word families that connect inflected forms
- Synonyms and antonyms presented in context
- Saved folders and a filterable vocabulary list
- Flashcards and games built from your saved word packs

Study the words that matter, backed by actual exam evidence.


## Version history (last 5 releases)

### 1.13.15 — 2026-08-30

Sumi is rebuilt for Korean CSAT vocabulary. Browse evidence from CSAT, KICE, and EBS, save words into folders, and study with flashcards and games.

### 1.13.14 — 2026-08-26

Meet Sumi, rebuilt for Korean CSAT vocabulary study.

### 1.13.13 — 2026-08-26

Meet Sumi, rebuilt for Korean CSAT vocabulary study.

### 1.13.10 — 2026-06-09

We had an extra day off, so we updated the app.

### 1.13.1 — 2026-06-03

We had an extra day off, so we updated the app.

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All apps by youngmo song: https://appshunter.io/developer/1588397687

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*