# Study Stopwatch vs Retime

The clearest difference is ads: Study Stopwatch at none against Retime's shown. Study Stopwatch also leads on review sentiment (100% vs 72%). Retime's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Study Stopwatch sells 1 one-off in-app purchase and Retime sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Study Stopwatch ships an update every 3 weeks, Retime every 5 days. Both last shipped on September 23, 2026.

## The numbers

| Metric | Study Stopwatch | Retime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/retime-study-timer-and-planner/id6736560691/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 72.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 30 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kotobaz](https://appshunter.io/developer/1634727152) | [Ryo Iida](https://appshunter.io/developer/1506522991) |

## What reviewers say

### Study Stopwatch

[App page](https://appshunter.io/ios/app/study-stopwatch-hazime/id6461720701)

This app helps you track your study sessions with a simple stopwatch. Organize your learning by subject and visualize your progress on a calendar. Stay focused and motivated to achieve your academic goals.

**Highlights:** Study time tracking, Subject organization, Calendar progress review, Focused session recording, Progress visualization

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget機能 | $0.99 | one-time |


### Retime

[App page](https://appshunter.io/ios/app/retime-study-timer-and-planner/id6736560691)

This app helps serious learners manage their study time and track progress. It combines a timer, task management, and analytics to visualize daily efforts and ensure goals are met. Features include goal setting, exam countdowns, and app blocking to enhance focus.

**Highlights:** Unified task management and timer, Study goal progress tracking, Exam countdown and score tracking, Distracting app blocking, Pomodoro and count-up timer modes, Study time visualization, Customizable subjects and themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| リタイム PRO 1ヶ月 | $1.99 | per month |
| リタイム PRO 1年間 キャンペーン | $19.99 | per year |
| リタイム PRO 1年間 | $19.99 | per year |


## Frequently asked questions

### Is Study Stopwatch free?

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

### Is Retime free?

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

### Do Study Stopwatch or Retime have ads?

Retime shows ads; Study Stopwatch does not.

### Which is updated more often, Study Stopwatch or Retime?

Study Stopwatch ships an update every 3 weeks, and Retime every 5 days. Most recently, Study Stopwatch was updated on September 23, 2026 and Retime on September 23, 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.*