# iRhino 3D vs ZIG SIM PRO

The clearest difference is price: iRhino 3D at Free against ZIG SIM PRO's $3.99. iRhino 3D also leads on rating (4.6 vs 3.9) and ratings volume (80 vs 8). ZIG SIM PRO's advantage is iOS requirement (13.0 vs 17.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

iRhino 3D is free to download; ZIG SIM PRO costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iRhino 3D holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: iRhino 3D has 80 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 55% of iRhino 3D's written reviews are positive against 60% of ZIG SIM PRO's, so the app with the better star average is not the one people write more warmly about.

iRhino 3D ships an update fortnightly, ZIG SIM PRO monthly. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | iRhino 3D | ZIG SIM PRO |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (80 ratings)](https://appshunter.io/ios/app/irhino-3d/id373666504/reviews)** | [3.9 (8 ratings)](https://appshunter.io/ios/app/zig-sim-pro/id1481556614/reviews) |
| Number of ratings | **80** | 8 |
| Positive reviews | 55.0% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Paid |
| Size | 297 MB | 4 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robert McNeel & Associates](https://appshunter.io/developer/373666507) | [1-10, INC.](https://appshunter.io/developer/1447864635) |

## What reviewers say

### iRhino 3D

[App page](https://appshunter.io/ios/app/irhino-3d/id373666504)

View and present 3D models from Rhino 3D on your iPhone or iPad. Navigate models with intuitive touch gestures, load files from various sources, and visualize them in augmented reality. Includes a markup tool for annotations.

**Highlights:** 3D model viewing, Touch navigation (pan, zoom, orbit), Cloud storage integration, Augmented Reality (AR) mode, Integrated markup tool

**In-app purchases:** none

**What reviewers like**

- 👍 Smooth and intuitive 3D model manipulation
- 🚀 Fast performance with complex models
- 📱 Great for client presentations and demos
- 💼 Useful for on-the-go model viewing
- 🔄 Good Dropbox integration

**What reviewers complain about**

- 🐛 Frequent crashes on large files
- ❌ Limited to viewer functionality only
- 🚫 No native editing capabilities
- 📉 Poor LiDAR measurement accuracy
- 🔌 No iCloud Drive support

**Reported bugs**

- App crashes with large or complex files
- LiDAR measurements significantly inaccurate (off by ~2x)
- Cannot open local files without cloud storage
- Incompatibility with newer iOS versions
- App crashes during room scanning

**Requested features**

- Full native Rhino with Grasshopper support
- Real editing and modeling tools
- Wireframe and shaded view options
- Orthographic views (top, front, right)
- Texture and material support


### ZIG SIM PRO

[App page](https://appshunter.io/ios/app/zig-sim-pro/id1481556614)

This app enables physical prototyping by sending sensor and ARKit feature point data to a specified device. It supports various communication protocols and message types for IoT experimentation without electronic kits.

**Highlights:** Send sensor and ARKit feature point data, Monitor feature point data with ARKit, TCP and UDP communication, Supports OSC and JSON message types, Save sensor data to local file, Selectable communication intervals (1-60 FPS)

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

**In-app purchases:** none


## Frequently asked questions

### Is iRhino 3D free?

iRhino 3D is free to download, with no in-app purchases.

### Is ZIG SIM PRO free?

ZIG SIM PRO costs $3.99, with no in-app purchases.

### Which has better reviews, iRhino 3D or ZIG SIM PRO?

iRhino 3D is rated higher. iRhino 3D averages 4.6 out of 5 from 80 ratings, while ZIG SIM PRO averages 3.9 from 8 ratings.

### Do iRhino 3D or ZIG SIM PRO have ads?

Neither iRhino 3D nor ZIG SIM PRO shows ads.

### Which is updated more often, iRhino 3D or ZIG SIM PRO?

iRhino 3D ships an update fortnightly, and ZIG SIM PRO monthly. Most recently, iRhino 3D was updated on September 30, 2026 and ZIG SIM PRO on September 22, 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.*