# DHC語学 vs 自己監視で全集中!

The clearest difference is review sentiment: 自己監視で全集中! at 100% against DHC語学's 0%. DHC語学's advantage is iOS requirement (9.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DHC語学 ships an update every 4 months, 自己監視で全集中! every 5 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DHC語学 | 自己監視で全集中! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dhc/id1272489805/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 63 MB | 104 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [DHC Corporation](https://appshunter.io/developer/503899640) | [Kazumasa Tomita](https://appshunter.io/developer/1336575628) |

## What reviewers say

### DHC語学

[App page](https://appshunter.io/ios/app/dhc/id1272489805)

This app complements DHC language courses and books by allowing users to download and play accompanying audio content. It supports background playback, enabling listening even when the screen is locked or other apps are in use. Access is restricted to course enrollees or book purchasers.

**Highlights:** Downloadable audio content, Audio playback, Background audio playback, Offline listening

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

**In-app purchases:** none


### 自己監視で全集中!

[App page](https://appshunter.io/ios/app/id1540985106)

This app helps you improve focus by using your device's front camera to show you yourself while you work. It captures short video clips of you during your focus sessions and offers ambient sounds to aid concentration. Track your progress with detailed graphs and manage your breaks effectively.

**Highlights:** Self-monitoring with front camera, Capture video clips during focus sessions, Ambient soundscapes for concentration, Customizable break times with notifications, Set and track focus session content, View focus history with graphs

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

**In-app purchases:** none


## Frequently asked questions

### Is DHC語学 free?

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

### Is 自己監視で全集中! free?

自己監視で全集中! is free to download, with no in-app purchases.

### Do DHC語学 or 自己監視で全集中! have ads?

Neither DHC語学 nor 自己監視で全集中! shows ads.

### Which is updated more often, DHC語学 or 自己監視で全集中!?

DHC語学 ships an update every 4 months, and 自己監視で全集中! every 5 months. Most recently, DHC語学 was updated on October 24, 2026 and 自己監視で全集中! on October 6, 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.*