# D vs SandArt

The clearest difference is update cadence: D at weekly against SandArt's every 3 weeks. D also leads on iOS requirement (15.6 vs 17.0). 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.

D ships an update weekly, SandArt every 3 weeks. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | D | SandArt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/d-lab/id6745396642/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 80 MB | 10 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [keigo matsumaru](https://appshunter.io/developer/1405989123) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### 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. This service helps you apply knowledge to enrich your life.

**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


### SandArt

[App page](https://appshunter.io/ios/app/sandart/id6760631880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is SandArt free?

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

### Do D or SandArt have ads?

Neither D nor SandArt shows ads.

### Which is updated more often, D or SandArt?

D ships an update weekly, and SandArt every 3 weeks. Most recently, D was updated on October 19, 2026 and SandArt on October 5, 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.*