# Structural Navigator vs StreamBIM

The clearest difference is iOS requirement: Structural Navigator at 9.1 against StreamBIM's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Structural Navigator ships an update every 5 months, StreamBIM every 3 months. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Structural Navigator | StreamBIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/structural-navigator/id479978190/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 90 MB | 5 MB |
| Requires iOS | **9.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bentley Systems, Inc.](https://appshunter.io/developer/457925574) | [Rendra AS](https://appshunter.io/developer/766599235) |

## What reviewers say

### Structural Navigator

[App page](https://appshunter.io/ios/app/structural-navigator/id479978190)

View, query, and annotate 3D structural models on your mobile device. Navigate complex designs with intuitive controls, filter elements by properties, and check for clashes. Ideal for on-site reviews and collaboration.

**Highlights:** 3D model navigation (zoom, rotate, pan), Color-coding by element properties, Filtering models by member attributes, Clash detection between objects, Adding markups with status and due dates, Interactive querying of member properties

**In-app purchases:** none


### StreamBIM

[App page](https://appshunter.io/ios/app/streambim/id1012350600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Structural Navigator free?

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

### Is StreamBIM free?

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

### Do Structural Navigator or StreamBIM have ads?

Neither Structural Navigator nor StreamBIM shows ads.

### Which is updated more often, Structural Navigator or StreamBIM?

Structural Navigator ships an update every 5 months, and StreamBIM every 3 months. Most recently, Structural Navigator was updated on October 5, 2026 and StreamBIM on September 28, 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.*