# TopMod 3D vs GCodeReader CNC

The clearest difference is update cadence: TopMod 3D at every 5 days against GCodeReader CNC's every 4 months. TopMod 3D also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

TopMod 3D ships an update every 5 days, GCodeReader CNC every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | TopMod 3D | GCodeReader CNC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/topmod-3d-design-software/id6779650858/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | Free | — |
| Size | 4 MB | 44 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Briscella](https://appshunter.io/developer/1889049396) | [Favionics](https://appshunter.io/developer/495997736) |

## What reviewers say

### TopMod 3D

[App page](https://appshunter.io/ios/app/topmod-3d-design-software/id6779650858)

Sculpt intricate 3D surfaces with topological modeling on your mobile device. Create complex geometry, including handles and holes, and export your designs as OBJ files for use in other 3D software. Ideal for artists and designers interested in the mathematics of form.

**Highlights:** Topological mesh modeling, Sculpt intricate 3D surfaces, Create handles and holes, Real-time geometry building, Export as OBJ files

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

**In-app purchases:** none


### GCodeReader CNC

[App page](https://appshunter.io/ios/app/gcodereader-cnc/id6782029376)

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

**In-app purchases:** none


## Frequently asked questions

### Is TopMod 3D free?

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

### Is GCodeReader CNC free?

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

### Do TopMod 3D or GCodeReader CNC have ads?

Neither TopMod 3D nor GCodeReader CNC shows ads.

### Which is updated more often, TopMod 3D or GCodeReader CNC?

TopMod 3D ships an update every 5 days, and GCodeReader CNC every 4 months. Most recently, TopMod 3D was updated on October 24, 2026 and GCodeReader CNC on October 24, 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.*