# Cortona3D Viewer vs Planio

The clearest difference is price: Planio at Free against Cortona3D Viewer's $2.99. Planio also leads on iOS requirement (11.0 vs 15.0). Cortona3D Viewer's advantage is rating (3.0 vs 1.5). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

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

Cortona3D Viewer holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 40% of Cortona3D Viewer's written reviews are positive against 33% of Planio's.

Cortona3D Viewer ships an update every 7 months, Planio every 4 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Cortona3D Viewer | Planio |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/cortona3d-viewer/id471275514/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/planio/id652346429/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **40.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 96 MB | 21 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ParallelGraphics](https://appshunter.io/developer/471275517) | [Planio](https://appshunter.io/developer/652346442) |

## 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


### Planio

[App page](https://appshunter.io/ios/app/planio/id652346429)

This app provides a unified platform for businesses to manage software projects. It integrates issue tracking, project management, help desk, Git hosting, and team communication tools.

**Highlights:** Agile Kanban boards, Bug and feature tracking, Integrated help desk, Hosted Git and SVN repositories, Team chat and documentation, Time tracking

**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 Planio free?

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

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

Cortona3D Viewer is rated higher. Cortona3D Viewer averages 3.0 out of 5 from 4 ratings, while Planio averages 1.5 from 2 ratings.

### Do Cortona3D Viewer or Planio have ads?

Neither Cortona3D Viewer nor Planio shows ads.

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

Cortona3D Viewer ships an update every 7 months, and Planio every 4 months. Most recently, Cortona3D Viewer was updated on October 23, 2026 and Planio on October 23, 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.*