# 다시보기 vs Study Timer

The clearest difference is in-app purchases: 다시보기 at none against Study Timer's 1. 다시보기 also leads on ads (none vs shown) and update cadence (daily vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Study Timer sells 1 in-app purchase, starting at $9.99 per year. 다시보기 asks for nothing beyond the download.

다시보기 ships an update daily, Study Timer every 6 weeks. The most recent releases landed on November 5, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | 다시보기 | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 9 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yonghun Cho](https://appshunter.io/developer/1827369182) | [kizuna yoshihara](https://appshunter.io/developer/1807732321) |

## What reviewers say

### 다시보기

[App page](https://appshunter.io/ios/app/id6754455562)

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

**In-app purchases:** none


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-gokaku-log/id6757664927)

This app helps students and professionals plan study time for exams. It calculates daily targets based on your exam date and total hours, then tracks focused sessions. Visualize progress with charts and maintain consistency with streaks and badges.

**Highlights:** Study timer with stopwatch, countdown, or Pomodoro, Progress tracking by day, week, month, and year, Exam countdown and multiple goal management, Organize subjects, books, and courses, Set total time goals and track study streaks, Offline core tracking with iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除（年払い） | $9.99 | per year |


## Frequently asked questions

### Is 다시보기 free?

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

### Is Study Timer free?

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

### Do 다시보기 or Study Timer have ads?

Study Timer shows ads; 다시보기 does not.

### Which is updated more often, 다시보기 or Study Timer?

다시보기 ships an update daily, and Study Timer every 6 weeks. Most recently, 다시보기 was updated on November 5, 2026 and Study Timer on November 11, 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.*