# Cortona3D Viewer vs WP 34s

The clearest difference is review sentiment: WP 34s at 93% against Cortona3D Viewer's 40%. WP 34s also leads on price (Free vs $2.99) and rating (4.7 vs 3.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

WP 34s is free to download; Cortona3D Viewer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WP 34s holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: WP 34s has 29 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 40% of Cortona3D Viewer's written reviews are positive against 93% of WP 34s's.

Cortona3D Viewer ships an update every 7 months, WP 34s every 4 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Cortona3D Viewer | WP 34s |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/cortona3d-viewer/id471275514/reviews) | **[4.7 (29 ratings)](https://appshunter.io/ios/app/wp-34s/id620255094/reviews)** |
| Number of ratings | 4 | **29** |
| Positive reviews | 40.0% of reviews | **92.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 96 MB | 11 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ParallelGraphics](https://appshunter.io/developer/471275517) | [Pascal Meheut](https://appshunter.io/developer/620255097) |

## 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


### WP 34s

[App page](https://appshunter.io/ios/app/wp-34s/id620255094)

This app is a powerful RPN scientific calculator with extensive functions for mathematics, statistics, programming, and engineering. It includes programmer functions, fraction mode, probability distributions, and a stopwatch, offering a comprehensive tool for complex calculations.

**Highlights:** RPN scientific calculator implementation, Programmer functions (binary, octal, hexadecimal), Fraction mode and probability distributions, Stopwatch with real-time clock, Mathematical, statistical, and financial functions, Unit conversions and physical constants, Extended character sets for multiple languages

**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 WP 34s free?

WP 34s is free to download, with no in-app purchases.

### Which has better reviews, Cortona3D Viewer or WP 34s?

WP 34s is rated higher. Cortona3D Viewer averages 3.0 out of 5 from 4 ratings, while WP 34s averages 4.7 from 29 ratings.

### Do Cortona3D Viewer or WP 34s have ads?

Neither Cortona3D Viewer nor WP 34s shows ads.

### Which is updated more often, Cortona3D Viewer or WP 34s?

Cortona3D Viewer ships an update every 7 months, and WP 34s every 4 months. Most recently, Cortona3D Viewer was updated on October 23, 2026 and WP 34s 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.*