# Forma3D vs Preview3D

The clearest difference is price: Forma3D at Free against Preview3D's $9.99. Forma3D also leads on update cadence (every 3 days vs weekly). Preview3D's advantage is in-app purchases (none vs 1) and chart position (#78 vs unranked). On review sentiment, ads and iOS requirement there is nothing between them.

Forma3D is free to download; Preview3D costs $9.99 up front. Forma3D sells 1 in-app purchase, starting at $6.99 per month. Preview3D asks for nothing beyond the download.

Forma3D ships an update every 3 days, Preview3D weekly. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Forma3D | Preview3D |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/forma3d-3d-modeling-and-print/id6762095429/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#78** |
| Size | 22 MB | 14 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Denis Vazyulya](https://appshunter.io/developer/1892873021) | [Michal Fanta](https://appshunter.io/developer/6787018314) |

## What reviewers say

### Forma3D

[App page](https://appshunter.io/ios/app/forma3d-3d-modeling-and-print/id6762095429)

Create and edit 3D models directly on your iPhone or iPad. Prepare designs for 3D printing with precise tools and export to common formats. Ideal for beginners and experienced users alike.

**Highlights:** Create primitive 3D shapes, Precise transformation controls, Boolean operations (union, subtract), Mesh editing (vertices, edges, faces), STL and 3MF import/export, Beginner-friendly interface, X-Ray mode for transparency

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forma3D subscription | $6.99 | per month |


### Preview3D

[App page](https://appshunter.io/ios/app/preview3d/id6787018312)

**Currently charting:** #78 Top Paid · Graphics & Design (US App Store)

View and inspect a wide range of 3D file formats natively on your iPhone and iPad. Supports CAD, mesh, and 3D printing files with detailed information and AR capabilities. Offline functionality ensures privacy and speed.

**Highlights:** Native viewer for STEP, STL, 3MF, G-code, and more, Detailed model inspection (dimensions, volume, surface area), Full-color 3MF rendering, Augmented Reality (AR) Quick Look integration, Offline functionality, no account or web uploads, Quick Look and 3D thumbnail support in Files app, Universal purchase for iPhone, iPad, and Mac

**In-app purchases:** none


## Frequently asked questions

### Is Forma3D free?

Forma3D is free to download, with in-app purchases available.

### Is Preview3D free?

Preview3D costs $9.99, with no in-app purchases.

### Do Forma3D or Preview3D have ads?

Neither Forma3D nor Preview3D shows ads.

### Which is updated more often, Forma3D or Preview3D?

Forma3D ships an update every 3 days, and Preview3D weekly. Most recently, Forma3D was updated on October 11, 2026 and Preview3D on October 12, 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.*