# Polycorp Material Calculator vs Injection Molding Hub

The clearest difference is in-app purchases: Polycorp Material Calculator at none against Injection Molding Hub's 2. Polycorp Material Calculator also leads on ads (none vs shown) and iOS requirement (12.3 vs 15.5). Injection Molding Hub's advantage is update cadence (every 10 days vs every 10 months). 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. Polycorp Material Calculator asks for nothing beyond the download.

Polycorp Material Calculator ships an update every 10 months, Injection Molding Hub every 10 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Polycorp Material Calculator | Injection Molding Hub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 10 days** |
| Size | 22 MB | 101 MB |
| Requires iOS | **12.3** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) | [Muhammad Shahzaib](https://appshunter.io/developer/1803329351) |

## What reviewers say

### Polycorp Material Calculator

[App page](https://appshunter.io/ios/app/polycorp-material-calculator/id1027626460)

**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 Polycorp Material Calculator free?

Polycorp Material Calculator 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 Polycorp Material Calculator or Injection Molding Hub have ads?

Injection Molding Hub shows ads; Polycorp Material Calculator does not.

### Which is updated more often, Polycorp Material Calculator or Injection Molding Hub?

Polycorp Material Calculator ships an update every 10 months, and Injection Molding Hub every 10 days. Most recently, Polycorp Material Calculator was updated on October 26, 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.*