# Tripo AI vs STP Viewer

The clearest difference is rating: Tripo AI at 4.6 against STP Viewer's 3.0. Tripo AI also leads on ratings volume (3K vs 1). STP Viewer's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tripo AI sells 6 in-app purchases, starting at $15.99 per month and STP Viewer sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Tripo AI holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Tripo AI has 3K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Tripo AI | STP Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3K ratings)](https://appshunter.io/ios/app/tripo-ai-3d-model-generator/id6748596826/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/stp-viewer-step-3d/id6770497525/reviews) |
| Number of ratings | **3K** | 1 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 44 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Holymolly Limited](https://appshunter.io/developer/1847629375) | [CODIGITAL SOLUTIONS](https://appshunter.io/developer/1829802387) |

## What reviewers say

### Tripo AI

[App page](https://appshunter.io/ios/app/tripo-ai-3d-model-generator/id6748596826)

Transform photos or text into 3D models. Easily restyle, animate, and export your creations for games, animations, or 3D printing directly from your phone. Ideal for creators without extensive 3D software knowledge.

**Highlights:** Generate 3D models from photos, Create 3D models from text descriptions, Restyle and texture models, Apply preset motions to characters, Export in GLB and FBX formats, Browse community creations for inspiration

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tripo 3D AI - Pro Plan | $15.99 | per month |
| Tripo 3D AI - Pro Plan | $19.99 | per month |
| Advanced Plan | $38.99 | per month |
| Ultimate Plan | $89.99 | per month |
| Tripo 3D AI - Pro Plan | $155.99 | per year |
| Tripo 3D AI - Max Plan | $539.99 | per year |


### STP Viewer

[App page](https://appshunter.io/ios/app/stp-viewer-step-3d/id6770497525)

This application allows users to open and view large, complex 3D CAD files on their mobile devices. It supports standard STEP and STP file formats, offering smooth navigation and offline accessibility for professionals and enthusiasts alike.

**Highlights:** Open STP and STEP files, Fluid 3D navigation (orbit, pan, zoom), Instant file loading from various sources, View complex assemblies, Offline accessibility, Battery and RAM efficient, Supports files from major CAD software

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $1.99 | per 7 days |
| Pro Access | $4.99 | per month |
| Pro Access | $9.99 | per year |


## Frequently asked questions

### Is Tripo AI free?

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

### Is STP Viewer free?

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

### Which has better reviews, Tripo AI or STP Viewer?

Tripo AI is rated higher. Tripo AI averages 4.6 out of 5 from 3K ratings, while STP Viewer averages 3.0 from 1 ratings.

### Do Tripo AI or STP Viewer have ads?

Neither Tripo AI nor STP Viewer shows ads.

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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.*