# Cortona3D Viewer vs Sphere

The clearest difference is price: Sphere at Free against Cortona3D Viewer's $2.99. Sphere also leads on rating (5.0 vs 3.0) and update cadence (every 2 months vs every 7 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Sphere is free to download; Cortona3D Viewer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sphere holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

Cortona3D Viewer ships an update every 7 months, Sphere every 2 months. The most recent releases landed on September 10, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Cortona3D Viewer | Sphere |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/cortona3d-viewer/id471275514/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sphere-xr-solution/id1434284841/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 96 MB | 301 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ParallelGraphics](https://appshunter.io/developer/471275517) | [Comptex Solution Engineering GmbH](https://appshunter.io/developer/1215307191) |

## What reviewers say

### Cortona3D Viewer

[App page](https://appshunter.io/ios/app/cortona3d-viewer/id471275514)

View interactive 3D and 2D product catalogs, work instructions, and maintenance guides. Immerse yourself in 3D procedures and VRML scenes with augmented reality on your iPhone and iPad. Supports legacy 2D and interactive 3D content derived from CAD.

**Highlights:** Augmented reality support, Interactive 3D and 2D content, Multi-touch gestures for navigation, Exploded views and bill of materials, Part search and hide/show, Step-by-step instructions, Content upload and sharing

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

**In-app purchases:** none


### Sphere

[App page](https://appshunter.io/ios/app/sphere-xr-solution/id1434284841)

This XR solution empowers businesses globally to boost operational efficiency and reduce costs. It offers broad device support and integrates seamlessly with existing tools for diverse enterprise use cases like collaboration, training, and sales.

**Highlights:** Interoperable XR solution, Supports AR/VR headsets, mobile, and PC, Five enterprise XR use cases, Flexible deployment options, Integrates with conferencing tools, No-code content creation, Backend system integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cortona3D Viewer free?

Cortona3D Viewer costs $2.99, with no in-app purchases.

### Is Sphere free?

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

### Which has better reviews, Cortona3D Viewer or Sphere?

Sphere is rated higher. Cortona3D Viewer averages 3.0 out of 5 from 4 ratings, while Sphere averages 5.0 from 4 ratings.

### Do Cortona3D Viewer or Sphere have ads?

Neither Cortona3D Viewer nor Sphere shows ads.

### Which is updated more often, Cortona3D Viewer or Sphere?

Cortona3D Viewer ships an update every 7 months, and Sphere every 2 months. Most recently, Cortona3D Viewer was updated on September 10, 2026 and Sphere on July 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*