# 달공부 vs 순공시간

The clearest difference is review sentiment: 순공시간 at 100% against 달공부's 50%. 순공시간 also leads on ads (none vs shown). 달공부's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 순공시간 sells 2 in-app purchases, starting at $1.99 per month. 달공부 asks for nothing beyond the download.

달공부 ships an update fortnightly, 순공시간 every 2 months. The most recent releases landed on September 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 달공부 | 순공시간 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 23 MB | 34 MB |
| Requires iOS | **13.2** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SuWon Choi](https://appshunter.io/developer/1452191072) | [yerin lee](https://appshunter.io/developer/1819443165) |

## What reviewers say

### 달공부

[App page](https://appshunter.io/ios/app/plus/id6443337098)

This app helps you manage your monthly study goals and track your study time using a built-in timer. Create custom study routines with preparation, study, and break periods. Automatically record your study sessions in a digital diary and receive notifications when routines are complete.

**Highlights:** Monthly study time goal setting, Customizable study routine timer, Automatic study session recording, Digital study diary, Time utilization tracking, Notifications for routine completion

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

**In-app purchases:** none


### 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 달공부 free?

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

### Is 순공시간 free?

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

### Do 달공부 or 순공시간 have ads?

달공부 shows ads; 순공시간 does not.

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

달공부 ships an update fortnightly, and 순공시간 every 2 months. Most recently, 달공부 was updated on September 1, 2026 and 순공시간 on September 22, 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.*