# just3d vs ARK Studio

The clearest difference is in-app purchases: just3d at none against ARK Studio's 1. ARK Studio's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ARK Studio sells 1 one-off in-app purchase. just3d asks for nothing beyond the download.

just3d ships an update every 3 months, ARK Studio every 3 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | just3d | ARK Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/just3d/id6467029483/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [BJ Feitan Technology](https://appshunter.io/developer/1505276018) | [方舟 刘](https://appshunter.io/developer/1827738818) |

## What reviewers say

### just3d

[App page](https://appshunter.io/ios/app/just3d/id6467029483)

This app utilizes LiDAR technology to create 3D scans of objects and environments. It is compatible with specific iPhone and iPad Pro models equipped with a LiDAR sensor. Users can capture detailed 3D models for various applications.

**Highlights:** LiDAR 3D scanning, Object and environment scanning, High-detail 3D model creation, Compatible with specific iPhone/iPad Pro models

**In-app purchases:** none


### ARK Studio

[App page](https://appshunter.io/ios/app/ark-studio/id6756344317)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 credits | $6.99 | one-time |


## Frequently asked questions

### Is just3d free?

just3d is free to download, with no in-app purchases.

### Is ARK Studio free?

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

### Do just3d or ARK Studio have ads?

Neither just3d nor ARK Studio shows ads.

### Which is updated more often, just3d or ARK Studio?

just3d ships an update every 3 months, and ARK Studio every 3 days. Most recently, just3d was updated on October 12, 2026 and ARK Studio on October 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.*