# STEP File Viewer vs 图标帝

The clearest difference is rating: 图标帝 at 4.2 against STEP File Viewer's 3.4. 图标帝 also leads on review sentiment (92% vs 63%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. STEP File Viewer sells 10 in-app purchases, starting at $1.99 per 7 days and 图标帝 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

图标帝 holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews point the same way: 63% of STEP File Viewer's written reviews are positive against 92% of 图标帝's.

STEP File Viewer ships an update every 2 weeks, 图标帝 fortnightly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | STEP File Viewer | 图标帝 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (7 ratings)](https://appshunter.io/ios/app/step-file-viewer/id6755721056/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/id6758233482/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 62.5% of reviews | **92.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 17 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [维 艾](https://appshunter.io/developer/1771300149) | [Wuhan Xingyun Technology Co., Ltd.](https://appshunter.io/developer/1853186645) |

## What reviewers say

### STEP File Viewer

[App page](https://appshunter.io/ios/app/step-file-viewer/id6755721056)

View and interact with 3D CAD files like STEP and IGES. Inspect internal geometry, measure dimensions, and export models in various formats. Ideal for engineers, designers, and students needing to visualize complex designs without expensive software.

**Highlights:** 3D model viewing with pan, zoom, and rotate, Solid, shaded, and wireframe display modes, Measure dimensions and features, Section planes for internal geometry inspection, Export models to STL, OBJ, glTF, and more, Supports assembly data and PMI annotations

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Flex | $1.99 | per 7 days |
| Pro Light | $4.99 | per month |
| Pro Infinity | $19.99 | per year |
| Export as PNG | $2.99 | one-time |
| Export as OBJ | $3.99 | one-time |
| Export as STL | $3.99 | one-time |
| IGES/STEP Model Import | $3.99 | one-time |
| Cross Section View | $4.99 | one-time |
| Exploded View | $4.99 | one-time |
| Export all formats | $15.99 | one-time |


### 图标帝

[App page](https://appshunter.io/ios/app/id6758233482)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TuBiaoDi | $0.99 | one-time |


## Frequently asked questions

### Is STEP File Viewer free?

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

### Is 图标帝 free?

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

### Which has better reviews, STEP File Viewer or 图标帝?

图标帝 is rated higher. STEP File Viewer averages 3.4 out of 5 from 7 ratings, while 图标帝 averages 4.2 from 5 ratings.

### Do STEP File Viewer or 图标帝 have ads?

Neither STEP File Viewer nor 图标帝 shows ads.

### Which is updated more often, STEP File Viewer or 图标帝?

STEP File Viewer ships an update every 2 weeks, and 图标帝 fortnightly. Most recently, STEP File Viewer was updated on November 9, 2026 and 图标帝 on November 5, 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.*