# Dラボ vs Yosou

The clearest difference is iOS requirement: Dラボ at 12.0 against Yosou's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Dラボ sells 5 in-app purchases, starting at $1.99 per month and Yosou sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dラボ ships an update fortnightly, Yosou every 9 days. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Dラボ | Yosou |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/d-daigo/id1465859054/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 136 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [keigo matsumaru](https://appshunter.io/developer/1405989123) | [Locas](https://appshunter.io/developer/1870215977) |

## What reviewers say

### Dラボ

[App page](https://appshunter.io/ios/app/d-daigo/id1465859054)

Access thousands of psychology videos explained by a popular mentalist. Enjoy features like offline playback, adjustable playback speed, and personalized recommendations. Unlock premium features with subscription plans.

**Highlights:** Thousands of psychology videos, Offline video playback, Adjustable playback speed, Background playback, Chapter saving, Recommended courses, Suggestive search

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月間払い | $1.99 | per month |
| 月間払い | $2.49 | per month |
| 半年払い | $14.49 | per 6 months |
| 年間払い | $27.49 | per year |
| 月間払い | $34.99 | per month |


### Yosou

[App page](https://appshunter.io/ios/app/yosou/id6758005406)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スターターパック | $0.99 | one-time |
| アクティビティパック | $0.99 | one-time |
| ベーシックパック | $4.99 | one-time |
| 人気パック | $9.99 | one-time |
| プレミアムパック | $19.99 | one-time |


## Frequently asked questions

### Is Dラボ free?

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

### Is Yosou free?

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

### Do Dラボ or Yosou have ads?

Neither Dラボ nor Yosou shows ads.

### Which is updated more often, Dラボ or Yosou?

Dラボ ships an update fortnightly, and Yosou every 9 days. Most recently, Dラボ was updated on October 8, 2026 and Yosou on September 27, 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.*