# 3dmax vs KM

The clearest difference is update cadence: KM at every 2 months against 3dmax's every 4 months. 3dmax's advantage is iOS requirement (11.0 vs 15.0). 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.

3dmax ships an update every 4 months, KM every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3dmax | KM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (111 ratings)](https://appshunter.io/ios/app/3dmax-3dsmax3dcad/id1630867001/reviews)** | — |
| Number of ratings | **111** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 110 MB | 27 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CKIT](https://appshunter.io/developer/1630867003) | [Jiaxing Hejun](https://appshunter.io/developer/1739001712) |

## What reviewers say

### 3dmax

[App page](https://appshunter.io/ios/app/3dmax-3dsmax3dcad/id1630867001)

This application allows users to view and edit 3D models and CAD drawings on mobile devices. It supports a wide range of file formats and offers tools for collaboration and communication.

**Highlights:** View 3D models and CAD drawings, Edit 3D drawings, Supports over 40 mainstream 3D and 2D drawing formats, Collaboration and communication tools, Measurement and annotation features, Convert models to lightweight SVLX format

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

**In-app purchases:** none


### KM

[App page](https://appshunter.io/ios/app/km-airbed/id6771200595)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3dmax free?

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

### Is KM free?

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

### Do 3dmax or KM have ads?

Neither 3dmax nor KM shows ads.

### Which is updated more often, 3dmax or KM?

3dmax ships an update every 4 months, and KM every 2 months. Most recently, 3dmax was updated on November 3, 2026 and KM on October 31, 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.*