ZIG SIM PRO vs 3D Model Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZIG SIM PRO
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.
- 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)
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ZIG SIM PRO is a prototyping tool for physical computing that streams iPhone sensor data to external devices in real time. From accelerometer, gyroscope, GPS, and compass to ARKit (face, body,and marker tracking), NFC, Apple Pencil, camera depth, and mic level — transmit a wide range of data over UDP or TCP in OSC or JSON format at 1, 10, 30, or 60 FPS. No electronic kits required. Perfect for IoT experiments, interactive art, and installation development. A free version, ZIG SIM, is also available to get you started. Upgrade to PRO for access to a broader set of sensors and advanced features. https://apps.apple.com/us/app/zig-sim/id1112909974
3D Model Viewer
Explore and interact with 3D models on your mobile device. Simulate the 3D printing process to identify potential issues before committing to a print. Visualize your models in augmented reality, adjusting scale and rotation within your real-world environment.
- View 3D models in real-time
- Rotate, zoom, and paint models
- Simulate 3D printing process
- View models in AR mode
- Adjust scale and rotation in AR
- Supports multiple 3D file formats
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Have you ever wanted to view and interact with 3D Models? 3D Model Viewer allows you to view compatible 3D Models using your mobile device. You can even simulate 3D Printing and view your model in AR mode! -- View 3D Models Import and view your 3D models in real time, rotating, zooming and painting! -- Simulate 3D Printing Watch a simulation of your model being 3D printed from bottom to top and identify any potential problems with the model without wasting any printing material! -- AR Mode View your 3D models inserted into the real world, being able to adjust scale and rotation! -- Compatible with many formats 3D Model Viewer supports the following formats: .stl, .obj*, .abc, .ply, .usdz, .usd, .usda, .dae *.obj files can be imported with textures in the format of a .zip file 3D Model Viewer is now available for all iOS devices!
Screenshots
Verdict
The clearest difference is price: 3D Model Viewer at Free against ZIG SIM PRO's $3.99. 3D Model Viewer also leads on rating (4.4 vs 3.9) and ratings volume (362 vs 8). ZIG SIM PRO's advantage is review sentiment (60% vs 20%) and in-app purchases (none vs 1). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
3D Model Viewer is free to download; ZIG SIM PRO costs $3.99 up front. 3D Model Viewer sells 1 one-off in-app purchase. ZIG SIM PRO asks for nothing beyond the download.
3D Model Viewer holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: 3D Model Viewer has 362 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 60% of ZIG SIM PRO's written reviews are positive against 20% of 3D Model Viewer's, so the app with the better star average is not the one people write more warmly about.
ZIG SIM PRO ships an update monthly, 3D Model Viewer weekly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | ZIG SIM PRO | 3D Model Viewer |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.9 (8 ratings) | 4.4 (362 ratings) — better |
| Positive reviews | 60.0% of reviews — better | 20.5% of reviews |
| Number of ratings | 8 | 362 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Vision Pro — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 4 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | 1-10, INC. | Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA. |
Customer experience
ZIG SIM PRO
3D Model Viewer
Bugs and requests
ZIG SIM PRO
Not enough reviews yet to summarise bugs or requests.
3D Model Viewer
Reported bugs
10 issues- App crashes immediately after upload
- App crashes when importing PLY files
- App crashes after payment
- App crashes when importing large files
- App crashes on iPad Pro
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- VR crashes
- Model centering limits viewing
- Paint function assigns random color
- Incorrect AR sizing
- Y axis is up in AR
Requested features
11 requests- Allow changing background color
- Allow changing lighting positions
- Add axis lock object rotation
- Add way to rotate side to side (turntable)
- Option to slow down rotation/movements
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- Add arrange by recent for downloaded STLs
- Add ability to list most recent STL at top
- Allow models to scale larger in AR mode
- Add free rotation
- Improve AR sizing accuracy
- Use Z axis as up for AR and print sim
In-app purchases
ZIG SIM PRO
No in-app purchases
3D Model Viewer
- Model Viewer Premium$1.99
Questions
Is ZIG SIM PRO free?
Is 3D Model Viewer free?
Which has better reviews, ZIG SIM PRO or 3D Model Viewer?
Do ZIG SIM PRO or 3D Model Viewer have ads?
Which is updated more often, ZIG SIM PRO or 3D Model Viewer?
Other comparisons
