# 映音空間 vs D

The clearest difference is update cadence: D at weekly against 映音空間's every 39 months. On price, ads, in-app purchases and device support there is nothing between them.

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

映音空間 ships an update every 39 months, D weekly. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 映音空間 | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/d-lab/id6745396642/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 51.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Weekly** |
| Monetization | — | Free |
| Size | 77 MB | 82 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [HISATO ORIHASHI](https://appshunter.io/developer/1439884641) | [keigo matsumaru](https://appshunter.io/developer/1405989123) |

## What reviewers say

### 映音空間

[App page](https://appshunter.io/ios/app/id1439884642)

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-lab/id6745396642)

Learn psychology with AI-powered video content and interactive tools. Access thousands of videos, get personalized advice from an AI assistant, and explore various expert-led sub-channels. Designed for practical application and personal growth.

**Highlights:** AI-powered psychology video library, AI DaiGo assistant for questions, AI-generated podcasts and slides, Automated video chaptering, AI goal achievement coaching, Expert-led sub-channels

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

**In-app purchases:** none


## Frequently asked questions

### Is 映音空間 free?

映音空間 is free to download, with no in-app purchases.

### Is D free?

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

### Do 映音空間 or D have ads?

Neither 映音空間 nor D shows ads.

### Which is updated more often, 映音空間 or D?

映音空間 ships an update every 39 months, and D weekly. Most recently, 映音空間 was updated on November 2, 2026 and D on November 8, 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.*