Comparison

Cadmio vs Octane X

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cadmio

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
Read full description

CAD visualization has never been easier! Create interactive 3D presentations of your designs, and get your clients round. Use Cadmio’s curated material and environment presets, our presentation editing tools, and improve the ideation process even without prior computer graphics experience. Download Cadmio and get access to all FEATURES including: - .STEP, .STL, or .OBJ import from any CAD app. - Constantly growing Catalog of customizable material and environment presets. - Compact proprietary file format which is easy to share and store locally. - Various editing tools to customize the transform parameters of your CAD file. - Object hierarchy panel. - Multiple selection modes to speed up the preparation process. - Different render modes, units, and dimensions overlay for model evaluation. - Stored camera views and automatic turntable animation. - Projected decal rendering. - AR view. - Share functions. We offer a 1-WEEK TRIAL FOR FREE with unrestricted access to all materials, environments, and presentation editing tools. Prepare interactive 3D presentations on your iPad, and review them on your iPad or iPhone. Send iterations of the design to your client or supervisor, so they don’t need any modelling software to inspect the 3D model. Reviewing .cadmio files doesn’t require a subscription, and the Cadmio Viewer for the iPhone is also available for free. You can find more information about how to GET STARTED with Cadmio on our website: https://www.cadmio.io/getting-started SYSTEM REQUIREMENTS We recommend using iPad Pro with 4+ GB RAM (4th and 5th generation). On devices with less than 4 GB memory (for example the 8th generation iPad) certain environments are disabled. Cadmio supports the .STEP, .STL, and .OBJ file formats for importing CAD models. GET IN TOUCH Feel free to contact us with any questions or feedback at hello@cadmio.io. Follow us on Instagram (@cadmioapp) for more CAD visualization content and updates. SUBSCRIPTION INFORMATION Opening and viewing existing presentations are FREE. Creating and editing presentations requires a subscription. You can choose a monthly or yearly option, each comes with a 1-week free trial. After confirmation, payment will be charged to your iTunes Account at the end of the trial. The subscription will automatically renew unless you turn off auto-renew in the iTunes Account Settings at least 24 hours before the end of the current period. You can cancel at any time and enjoy all subscription benefits during the remaining period. PRIVACY AND TERMS OF USE https://www.cadmio.io/privacy https://www.cadmio.io/terms

About

Octane X

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
Read full description

Octane X, the world’s first and fastest unbiased, spectrally-correct GPU production renderer, is now available for the first time on iPad Pro (M series models only) - empowering artist workflows across visual effects, motion graphics, gaming, design, concept art and architectural visualization Octane X for iPad Pro supports all features of Octane X macOS standalone desktop application through a new interface designed from the ground up for easy scene navigation and editing using touch and Apple Pencil on iPad Pro. Power users can enable an advanced UX with support for keyboards, trackpads, external monitors, bluetooth mice and stage manager to get full parity with the Octane X standalone desktop application on macOS. Octane X accelerates modern creative workflows with ACES, OCIO and deep pixel EXR rendering, a powerful node-based material, shader and scene graph editor, and the industry’s most advanced production ready AI Denoiser. The Octane X standalone features and user guide is available here: https://docs.otoy.com/StandaloneH_STA/StandaloneManual.htm Octane X for iPad Pro only supports iPad Pro devices with the M series chipset, running iPadOS 26 and later.

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Cadmio versus Octane X: the parameters behind the verdict, then further details
ParameterCadmioOctane X
PriceFreeFree
Rating4.2 (34 ratings) — better3.7 (30 ratings)
Positive reviews60.7% of reviews — better48.6% of reviews
Number of ratings34 — better30
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPadiPad, Mac — better
Requires iOS15.6 — better26.0
Further details — not scored
Size1.5 GB911 MB
Age rating4+4+
DeveloperCADMIO Korlatolt Felelossegu TarsasagOTOY Inc.

Customer experience

Cadmio

All ratings31 ratings
Positive77.4%
Neutral6.5%
Negative16.1%
Written reviews28 reviews
Positive60.7%
Neutral10.7%
Negative28.6%

Octane X

All ratings30 ratings
Positive63.3%
Neutral6.7%
Negative30.0%
Written reviews35 reviews
Positive48.6%
Neutral14.3%
Negative37.1%

In-app purchases

2 purchases

Cadmio

Subscriptions2
  • Cadmio Monthly Subscription7 Days trial$10.991 Month
  • Cadmio Annual Subscription7 Days trial$99.991 Year
None

Octane X

No in-app purchases

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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