# ProEngineer Calculator vs QuickHold

The clearest difference is price: QuickHold at Free against ProEngineer Calculator's $19.99. QuickHold also leads on update cadence (every 4 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

QuickHold is free to download; ProEngineer Calculator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProEngineer Calculator ships an update monthly, QuickHold every 4 days. The most recent releases landed on October 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ProEngineer Calculator | QuickHold |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proengineer-calculator/id6752825468/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Paid | — |
| Size | 46 MB | 8 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Margaret Hayes](https://appshunter.io/developer/1840974547) | [杭州引力网络技术有限公司](https://appshunter.io/developer/1133518651) |

## What reviewers say

### ProEngineer Calculator

[App page](https://appshunter.io/ios/app/proengineer-calculator/id6752825468)

This app provides engineers and students with a comprehensive suite of tools for complex calculations across various engineering disciplines. It offers features for stoichiometry, thermodynamics, electrical, and fluid mechanics, along with process visualization and project management aids.

**Highlights:** Stoichiometry & Material Balances, Thermodynamics Calculations, Electrical Calculations, Flow Mechanics Calculator, Process Timeline, Consultant Directory

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

**In-app purchases:** none


### QuickHold

[App page](https://appshunter.io/ios/app/quickhold/id6757849371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProEngineer Calculator free?

ProEngineer Calculator costs $19.99, with no in-app purchases.

### Is QuickHold free?

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

### Do ProEngineer Calculator or QuickHold have ads?

Neither ProEngineer Calculator nor QuickHold shows ads.

### Which is updated more often, ProEngineer Calculator or QuickHold?

ProEngineer Calculator ships an update monthly, and QuickHold every 4 days. Most recently, ProEngineer Calculator was updated on October 4, 2026 and QuickHold on September 18, 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.*