# Vacuums vs Injection Molding Hub

The clearest difference is in-app purchases: Vacuums at none against Injection Molding Hub's 2. Vacuums also leads on ads (none vs shown). Injection Molding Hub's advantage is update cadence (every 10 days vs every 6 months) and iOS requirement (15.5 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Injection Molding Hub sells 2 one-off in-app purchases. Vacuums asks for nothing beyond the download.

Vacuums ships an update every 6 months, Injection Molding Hub every 10 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vacuums | Injection Molding Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/vacuums/id1241468166/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 5 MB | 101 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amnaj Sriwilai](https://appshunter.io/developer/1241468165) | [Muhammad Shahzaib](https://appshunter.io/developer/1803329351) |

## 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


### Injection Molding Hub

[App page](https://appshunter.io/ios/app/injection-molding-hub/id6743525270)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Injection Moulding Pro | $8.99 | one-time |
| Pro Access | $34.99 | one-time |


## Frequently asked questions

### Is Vacuums free?

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

### Is Injection Molding Hub free?

Injection Molding Hub is free to download, with in-app purchases available.

### Do Vacuums or Injection Molding Hub have ads?

Injection Molding Hub shows ads; Vacuums does not.

### Which is updated more often, Vacuums or Injection Molding Hub?

Vacuums ships an update every 6 months, and Injection Molding Hub every 10 days. Most recently, Vacuums was updated on November 2, 2026 and Injection Molding Hub on October 25, 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.*