# 在家画画HD vs Sunja

The clearest difference is ads: 在家画画HD at none against Sunja's shown. 在家画画HD also leads on update cadence (every 6 weeks vs every 5 months) and iOS requirement (8.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 在家画画HD sells 3 one-off in-app purchases and Sunja sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

在家画画HD ships an update every 6 weeks, Sunja every 5 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 在家画画HD | Sunja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Size | 33 MB | 70 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [北京绘本原创教育科技有限公司](https://appshunter.io/developer/963046355) | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) |

## What reviewers say

### 在家画画HD

[App page](https://appshunter.io/ios/app/hd/id1118870574)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12绘画币 | $1.99 | one-time |
| 30绘画币 | $4.99 | one-time |
| 108绘画币 | $15.99 | one-time |


### Sunja

[App page](https://appshunter.io/ios/app/sunja-interactive-3d-science/id6760365462)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Learning | $29.99 | per month |
| Annual Learning | $199.99 | per year |


## Frequently asked questions

### Is 在家画画HD free?

在家画画HD is free to download, with in-app purchases available.

### Is Sunja free?

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

### Do 在家画画HD or Sunja have ads?

Sunja shows ads; 在家画画HD does not.

### Which is updated more often, 在家画画HD or Sunja?

在家画画HD ships an update every 6 weeks, and Sunja every 5 months. Most recently, 在家画画HD was updated on October 9, 2026 and Sunja on October 7, 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.*