Comparison

just3d vs ARK Studio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

just3d

LiDAR 3D Scanner

Free

📷 Photo & Video

★ 5.02 ratingsView app →

Anyone can create

About

just3d

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

Read full description

Due to the use of lidar sensor, only iPhone 12 Pro and Pro Max, iPhone 13 Pro and Pro Max, iPhone 14 Pro and Pro Max, iPhone 15 Pro and Pro Max and 2020+ iPad Pro are supported. Please do not download this app if your device without lidar sensor. Terms of Use: https://api.just3d.ai/v2/just3d_service_terms Privacy Policy: https://api.just3d.ai/v2/just3d_privacy_policy

About

ARK Studio

Features

Read full description

AI，智能体，大模型，人工智能，生成图片，生成视频，工作流

Screenshots

just3d4 screens

ARK Studio4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level

just3d versus ARK Studio: the parameters behind the verdict, then further details
Parameter	just3d	ARK Studio
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	2 — better	—
Update frequency	Every 3 months	Every 3 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	17.0 — better	18.5
Further details — not scored
Size	1 MB	3 MB
Age rating	17+	4+
Developer	BJ Feitan Technology	方舟刘

In-app purchases

None

just3d

No in-app purchases

1 purchases

ARK Studio

One-time1

12 credits$6.99

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.