# SpinFire XR vs CAD Smart Modeling

The clearest difference is in-app purchases: SpinFire XR at none against CAD Smart Modeling's 7. SpinFire XR also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CAD Smart Modeling sells 7 in-app purchases, starting at $3.99 per month. SpinFire XR asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SpinFire XR | CAD Smart Modeling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (10 ratings)](https://appshunter.io/ios/app/cad-smart-modeling-3d-cad/id6476608505/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 227 MB | 440 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Theorem Solutions Limited](https://appshunter.io/developer/1380153381) | [Sebastian Kemper](https://appshunter.io/developer/1513694925) |

## What reviewers say

### SpinFire XR

[App page](https://appshunter.io/ios/app/spinfire-xr/id1584959423)

**In-app purchases:** none


### CAD Smart Modeling

[App page](https://appshunter.io/ios/app/cad-smart-modeling-3d-cad/id6476608505)

Create detailed 3D models, technical drawings, and digital prototypes on your mobile device. This versatile CAD app is suitable for architecture, product design, engineering, and 3D printing, offering intuitive tools for both beginners and professionals.

**Highlights:** 3D Modeling & CAD Design, Technical Drawing, Precise Geometric Constructions, Import & Export of CAD and 3D Files, Product Design & Prototyping, 3D Models for Architecture & 3D Printing

**Features:** Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access | $3.99 | per month |
| Premium access | $8.99 | per month |
| Premium access | $22.99 | per year |
| Premium access | $44.99 | per year |
| Pro Version | $44.99 | per year |
| Premium Access | $44.99 | one-time |
| Premium Access | $89.99 | one-time |


## Frequently asked questions

### Is SpinFire XR free?

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

### Is CAD Smart Modeling free?

CAD Smart Modeling is free to download, with in-app purchases available.

### Do SpinFire XR or CAD Smart Modeling have ads?

CAD Smart Modeling shows ads; SpinFire XR does not.

### Which is updated more often, SpinFire XR or CAD Smart Modeling?

SpinFire XR ships an update every 5 months, and CAD Smart Modeling every 5 months. Most recently, SpinFire XR was updated on November 3, 2026 and CAD Smart Modeling on November 4, 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.*