# Study Time Logger vs 二陸技対策

The clearest difference is price: Study Time Logger at Free against 二陸技対策's $4.99. Study Time Logger also leads on rating (4.8 vs 1.0) and ratings volume (119 vs 1). 二陸技対策's advantage is in-app purchases (none vs 7). On ads, device support and iOS requirement there is nothing between them.

Study Time Logger is free to download; 二陸技対策 costs $4.99 up front. Study Time Logger sells 7 in-app purchases, starting at $3.49 per month. 二陸技対策 asks for nothing beyond the download.

Study Time Logger holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Study Time Logger has 119 ratings behind it against 1, so its average is the more settled of the two.

Study Time Logger ships an update fortnightly, 二陸技対策 every 6 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Study Time Logger | 二陸技対策 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (119 ratings)](https://appshunter.io/ios/app/study-time-logger/id1387759250/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/id6767581785/reviews) |
| Number of ratings | **119** | 1 |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [bondavi Inc.](https://appshunter.io/developer/805401904) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### Study Time Logger

[App page](https://appshunter.io/ios/app/study-time-logger/id1387759250)

Boost concentration and manage your time effectively with a timer-based technique. This app helps you stay on track during study or work sessions, offering customizable timers and tools to review your progress and learn focus psychology.

**Highlights:** Customizable Pomodoro timers, Task categorization and time management, Visual progress review with graphs, Focus psychology tips and articles, Flexible timer and break durations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dramatically timer pause | $3.49 | per month |
| 応援コメントがラップ調 ｜無駄機能 | $6.99 | per month |
| 応援コメントが名言風 ｜無駄機能 | $6.99 | per month |
| 無駄機能｜ドラマティックに一時停止 | $2.99 | one-time |
| Unnecessarily Detailed Data | $5.99 | one-time |
| 無駄機能｜応援コメントが名言風 | $5.99 | one-time |
| 無駄機能｜応援コメントがラップ調 | $5.99 | one-time |


### 二陸技対策

[App page](https://appshunter.io/ios/app/id6767581785)

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Time Logger free?

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

### Is 二陸技対策 free?

二陸技対策 costs $4.99, with no in-app purchases.

### Which has better reviews, Study Time Logger or 二陸技対策?

Study Time Logger is rated higher. Study Time Logger averages 4.8 out of 5 from 119 ratings, while 二陸技対策 averages 1.0 from 1 ratings.

### Do Study Time Logger or 二陸技対策 have ads?

Neither Study Time Logger nor 二陸技対策 shows ads.

### Which is updated more often, Study Time Logger or 二陸技対策?

Study Time Logger ships an update fortnightly, and 二陸技対策 every 6 weeks. Most recently, Study Time Logger was updated on November 11, 2026 and 二陸技対策 on October 31, 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.*