# 순공시간 vs Todak Time

The clearest difference is update cadence: Todak Time at every 5 days against 순공시간's every 2 months. 순공시간's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 순공시간 sells 2 in-app purchases, starting at $1.99 per month and Todak Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

순공시간 ships an update every 2 months, Todak Time every 5 days. Both last shipped on October 5, 2026.

## The numbers

| Metric | 순공시간 | Todak Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/todak-time-study-timer/id6764000666/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 34 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yerin lee](https://appshunter.io/developer/1819443165) | [Hyeon mo Gu](https://appshunter.io/developer/1869352261) |

## What reviewers say

### 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 |


### Todak Time

[App page](https://appshunter.io/ios/app/todak-time-study-timer/id6764000666)

This app helps you focus on your studies by tracking your time spent on each subject. It offers features like customizable goals, app blocking, and progress visualization to keep you on track. Plan your study sessions and monitor your progress with ease.

**Highlights:** Track study time by subject, Customizable goals and reminders, App blocking, Study planner with notes, Lock screen controls, Progress visualization (charts, heatmaps), Exam countdowns, Home screen widget

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Todak Time Pro | $2.99 | one-time |


## Frequently asked questions

### Is 순공시간 free?

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

### Is Todak Time free?

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

### Do 순공시간 or Todak Time have ads?

Neither 순공시간 nor Todak Time shows ads.

### Which is updated more often, 순공시간 or Todak Time?

순공시간 ships an update every 2 months, and Todak Time every 5 days. Most recently, 순공시간 was updated on October 5, 2026 and Todak Time on October 5, 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.*