# 잽영어 vs 순공시간

The clearest difference is update cadence: 잽영어 at every 2 days against 순공시간's every 2 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 잽영어 sells 3 one-off in-app purchases and 순공시간 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

잽영어 ships an update every 2 days, 순공시간 every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 잽영어 | 순공시간 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 165 MB | 34 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chord on Code](https://appshunter.io/developer/1602483788) | [yerin lee](https://appshunter.io/developer/1819443165) |

## What reviewers say

### 잽영어

[App page](https://appshunter.io/ios/app/id6473166674)

This app helps middle and high school students prepare for English exams by providing tools to study specific texts. Features include automatic translation, fill-in-the-blank exercises, vocabulary extraction, and pronunciation practice.

**Highlights:** Upload custom English texts, One-touch automatic translation, Automatic fill-in-the-blank generator, Automatic idiom finder, Personalized vocabulary list, Speech practice, Study progress management

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zap Mini - 50크레딧 제공 | $1.99 | one-time |
| Zap Lite - 100크레딧 제공 | $3.99 | one-time |
| Zap Pro - 200크레딧 제공 | $4.99 | one-time |


### 순공시간

[App page](https://appshunter.io/ios/app/id6748931524)

This app helps you plan your study sessions and track focused learning time. It allows you to set daily subjects, create to-do lists, and use a timer that only records actual study time. Achieve your academic goals with a clean, minimalist interface designed for smooth study flow.

**Highlights:** Subject-specific study planning, Study task checklist, Automatic focus time recording, Daily cumulative study time tracking, D-Day setting for exams, Minimalist interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 순공시간 프리미엄 (월간 구독) | $1.99 | per month |
| PureFocus Premium (Yearly) | $14.99 | per year |


## Frequently asked questions

### Is 잽영어 free?

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

### Is 순공시간 free?

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

### Do 잽영어 or 순공시간 have ads?

Neither 잽영어 nor 순공시간 shows ads.

### Which is updated more often, 잽영어 or 순공시간?

잽영어 ships an update every 2 days, and 순공시간 every 2 months. Most recently, 잽영어 was updated on November 4, 2026 and 순공시간 on November 5, 2026.

---

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