# 뿌리깊은 토익단어(어원으로 새기는 영단어) vs CodeStudy

The clearest difference is in-app purchases: CodeStudy at none against 뿌리깊은 토익단어(어원으로 새기는 영단어)'s 3. CodeStudy also leads on update cadence (every 6 days vs every 3 weeks). 뿌리깊은 토익단어(어원으로 새기는 영단어)'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. 뿌리깊은 토익단어(어원으로 새기는 영단어) sells 3 in-app purchases, starting at $3.99 per month. CodeStudy asks for nothing beyond the download.

뿌리깊은 토익단어(어원으로 새기는 영단어) ships an update every 3 weeks, CodeStudy every 6 days. The most recent releases landed on August 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 뿌리깊은 토익단어(어원으로 새기는 영단어) | CodeStudy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Myoungsook Ji](https://appshunter.io/developer/1538308065) | [ByeongYun In](https://appshunter.io/developer/1632990861) |

## What reviewers say

### 뿌리깊은 토익단어(어원으로 새기는 영단어)

[App page](https://appshunter.io/ios/app/id6752849213)

This app offers a scientific approach to vocabulary learning by focusing on etymology. It helps users understand word origins to retain them more effectively, moving beyond rote memorization. The system identifies weaknesses for targeted practice and uses spaced repetition to ensure long-term retention.

**Highlights:** Understand words through etymology, Build a systematic word map, Targeted learning based on weaknesses, Varied testing system, Spaced repetition for long-term memory, Focus on core roots

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프로버전 구독 1개월 | $3.99 | per month |
| 프로버전 구독 3개월 | $9.99 | per 3 months |
| 프로버전 구독 1년 | $29.99 | per year |


### CodeStudy

[App page](https://appshunter.io/ios/app/codestudy-ai-coding-tutor/id6762127373)

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

**In-app purchases:** none


## Frequently asked questions

### Is 뿌리깊은 토익단어(어원으로 새기는 영단어) free?

뿌리깊은 토익단어(어원으로 새기는 영단어) is free to download, with in-app purchases available.

### Is CodeStudy free?

CodeStudy is free to download, with no in-app purchases.

### Do 뿌리깊은 토익단어(어원으로 새기는 영단어) or CodeStudy have ads?

Neither 뿌리깊은 토익단어(어원으로 새기는 영단어) nor CodeStudy shows ads.

### Which is updated more often, 뿌리깊은 토익단어(어원으로 새기는 영단어) or CodeStudy?

뿌리깊은 토익단어(어원으로 새기는 영단어) ships an update every 3 weeks, and CodeStudy every 6 days. Most recently, 뿌리깊은 토익단어(어원으로 새기는 영단어) was updated on August 25, 2026 and CodeStudy on September 9, 2026.

---

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