# Vacuums vs RJG Viewpoint

The clearest difference is rating: RJG Viewpoint at 5.0 against Vacuums's 4.0. RJG Viewpoint also leads on iOS requirement (12.1 vs 17.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RJG Viewpoint holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vacuums | RJG Viewpoint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/vacuums/id1241468166/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rjg-viewpoint/id1523374675/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | Free |
| Size | 5 MB | 95 MB |
| Requires iOS | 17.6 | **12.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amnaj Sriwilai](https://appshunter.io/developer/1241468165) | [brandVR](https://appshunter.io/developer/1277213943) |

## What reviewers say

### Vacuums

[App page](https://appshunter.io/ios/app/vacuums/id1241468166)

This app assists automation engineers and systems designers in calculating parameters for vacuum handling systems. It helps determine workpiece requirements, holding force, and optimal dimensions for vacuum cups and hoses.

**Highlights:** Workpiece calculation, Holding force calculation, Vacuum cup diameter calculation, Vacuum hose diameter calculation, Evacuation time estimation, Pump suction capacity calculation, Vacuum unit converter

**In-app purchases:** none


### RJG Viewpoint

[App page](https://appshunter.io/ios/app/rjg-viewpoint/id1523374675)

This app offers tools and training for molders to enhance their molding techniques, quality, and profitability. It features augmented reality to visualize 3D models demonstrating injection molding capabilities and solutions to common challenges.

**Highlights:** Scientific molding techniques, Improve molding quality, Augmented reality 3D models, Demonstrate injection molding capabilities, Eliminate molding challenges, Award-winning training

**In-app purchases:** none


## Frequently asked questions

### Is Vacuums free?

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

### Is RJG Viewpoint free?

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

### Which has better reviews, Vacuums or RJG Viewpoint?

RJG Viewpoint is rated higher. Vacuums averages 4.0 out of 5 from 1 ratings, while RJG Viewpoint averages 5.0 from 2 ratings.

### Do Vacuums or RJG Viewpoint have ads?

Neither Vacuums nor RJG Viewpoint shows ads.

### Which is updated more often, Vacuums or RJG Viewpoint?

Vacuums ships an update every 6 months, and RJG Viewpoint every 6 months. Most recently, Vacuums was updated on October 24, 2026 and RJG Viewpoint on October 24, 2026.

---

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