i4 MEETING vs Modeler 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i4 MEETING
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Host a virtual meeting with i4 MEETING, where participants can attend the meeting using a browser, tablet, PC or even VR glasses. Choose an avatar and a name and join the meeting. You can then move freely around the VR world and see the avatars and names of all participants. When the meeting starts you can talk to other participants as if you were actually there. You can also upload your own 3D models (e.g. CAD) to present them. A range of i4 MEETING apps enables you to choose the degree of immersion. You decide how realistic the virtual meeting should be for you. The highest degree of immersion is achieved using VR glasses, which allow you to experience the virtual meeting very realistically. If you use a browser, PC or tablet you can participate in the meeting in the same way, but the degree of immersion is somewhat lower.
Modeler 3D
This app allows users to create 3D models using a programmatic approach with Lua scripting. It supports a wide range of 2D and 3D objects and operations, with export options for common file formats. Designed for powerful iPads, it aims to be a professional CAD tool.
- Lua scripting for 3D modeling
- Extensive 2D and 3D object creation
- CSG operations (union, subtract, etc.)
- 2D to 3D conversion (extrude, loft)
- OBJ and STL export
- Live model updates
- Multi-Window and Drag & Drop support
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Modeler 3D is in the tradition of OpenSCAD and JSCAD a programmatic 3D modeling tool. In contrary to those two, the well known Lua-script language is used. Primary target devices are the latest, powerful M1 iPads, which calls for professional, native CAD tools. This need shall be fulfilled by Modeler 3D. Honestly speaking, Modeler 3D is not there yet, but will quickly evolve. Designs can be exported as OBJ and STL in high quality and full resolution. Features: - 2D objects: Circle, Square, Rectangle, Isogon, Text, Arbitrary Path, Sketch consisting of multiple paths - 2D modifiers: translate, rotate, scale - 2D object operations: union - 3D objects: Cube, Cone, Sphere, Cylinder - 3D modifiers: translate, rotate, scale, center - 3D object operations: union, intersection, subtract, xor - 2D to 3D: extrude, loft - 2D applied to 3D: Pocket - Native CSG engine written in Swift - Export: OBJ, STL, PNG and code - Live updates of computed 3D models - Color support: - Multi-Window Support - Drag And Drop between Projects and from File Manager We are looking forward to your feedback.
Screenshots
Verdict
The clearest difference is update cadence: Modeler 3D at every 4 days against i4 MEETING's every 2 months. i4 MEETING's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
i4 MEETING ships an update every 2 months, Modeler 3D every 4 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | i4 MEETING | Modeler 3D |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 368 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | CAD Schroer GmbH | Vicinity International GmbH |
In-app purchases
i4 MEETING
No in-app purchases
Modeler 3D
No in-app purchases









