# Cadmio vs Octane X

The clearest difference is rating: Cadmio at 4.2 against Octane X's 3.7. Cadmio also leads on review sentiment (61% vs 49%) and iOS requirement (15.6 vs 26.0). Octane X's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Cadmio sells 2 in-app purchases, starting at $10.99 per month. Octane X asks for nothing beyond the download.

Cadmio holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 34 and 30 respectively. Written reviews point the same way: 61% of Cadmio's written reviews are positive against 49% of Octane X's.

Cadmio ships an update monthly, Octane X every 2 months. The most recent releases landed on June 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Cadmio | Octane X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (34 ratings)](https://appshunter.io/ios/app/cadmio-cad-visualization/id1546213629/reviews)** | [3.7 (30 ratings)](https://appshunter.io/ios/app/octane-x/id1609342064/reviews) |
| Number of ratings | **34** | 30 |
| Positive reviews | **60.7% of reviews** | 48.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 1.5 GB | 911 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [CADMIO Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1546213631) | [OTOY Inc.](https://appshunter.io/developer/1337195473) |

## What reviewers say

### Cadmio

[App page](https://appshunter.io/ios/app/cadmio-cad-visualization/id1546213629)

Easily create interactive 3D presentations of your product designs. Import common CAD file formats and utilize a library of materials and environments. Share your visualizations with clients who don't need specialized software to review them.

**Highlights:** Import .STEP, .STL, .OBJ files, Customizable material and environment presets, Interactive 3D presentation editing, AR view, Shareable proprietary file format, Automatic turntable animation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadmio Monthly Subscription | $10.99 | per month |
| Cadmio Annual Subscription | $99.99 | per year |


### Octane X

[App page](https://appshunter.io/ios/app/octane-x/id1609342064)

This powerful GPU rendering application brings professional-grade 3D rendering capabilities to iPad Pro. It offers a full suite of features for visual effects, motion graphics, gaming, and design, with an interface optimized for touch and Apple Pencil, while also supporting advanced external peripherals.

**Highlights:** Unbiased, spectrally-correct GPU rendering, Optimized touch and Apple Pencil interface, Support for external keyboards, trackpads, and monitors, Node-based material, shader, and scene graph editor, AI Denoiser for production-ready results, ACES, OCIO, and deep pixel EXR rendering

**In-app purchases:** none


## Frequently asked questions

### Is Cadmio free?

Cadmio is free to download, with in-app purchases available.

### Is Octane X free?

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

### Which has better reviews, Cadmio or Octane X?

Cadmio is rated higher. Cadmio averages 4.2 out of 5 from 34 ratings, while Octane X averages 3.7 from 30 ratings.

### Do Cadmio or Octane X have ads?

Neither Cadmio nor Octane X shows ads.

### Which is updated more often, Cadmio or Octane X?

Cadmio ships an update monthly, and Octane X every 2 months. Most recently, Cadmio was updated on June 9, 2026 and Octane X on September 18, 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.*