# Hydraulic Engineer vs Portfolio Website Builder

The clearest difference is price: Portfolio Website Builder at Free against Hydraulic Engineer's $4.99. Portfolio Website Builder also leads on rating (5.0 vs 4.0) and update cadence (every 5 weeks vs every 6 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Portfolio Website Builder is free to download; Hydraulic Engineer costs $4.99 up front. Hydraulic Engineer sells 1 one-off in-app purchase and Portfolio Website Builder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Portfolio Website Builder holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 25% and 25% positive.

Hydraulic Engineer ships an update every 6 months, Portfolio Website Builder every 5 weeks. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Hydraulic Engineer | Portfolio Website Builder |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/hydraulic-engineer/id410465591/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/portfolio-website-builder/id1370415890/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 25.0% of reviews | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 19 MB | 20 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Pixegram, LLC](https://appshunter.io/developer/1157672404) |

## What reviewers say

### Hydraulic Engineer

[App page](https://appshunter.io/ios/app/hydraulic-engineer/id410465591)

This comprehensive calculator app offers over 1,000 hydraulic engineering formulas across 13 categories. It includes temperature conversions, reference tables, and the ability to save and share calculations. Works offline and supports both US Customary and SI Metric units.

**Highlights:** Over 1,000 hydraulic formulas, 13 specialized calculator categories, Temperature scale converters, Professional reference tables, Save and share calculations, Works offline, US Customary and SI Metric units

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydraulic Pro | $3.99 | one-time |


### Portfolio Website Builder

[App page](https://appshunter.io/ios/app/portfolio-website-builder/id1370415890)

Create and manage a professional online portfolio with unlimited projects, blogs, and content pages. Showcase high-resolution photos and 4K videos with responsive templates. Monetize your content through built-in subscription options for fans.

**Highlights:** Unlimited portfolios, projects, and pages, High-resolution photo and 4K video uploads, Responsive, creative-focused templates, Built-in subscription monetization, Instant publishing, 14-day free trial

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Portfolio 1 Year Subscription | $99.99 | one-time |


## Frequently asked questions

### Is Hydraulic Engineer free?

Hydraulic Engineer costs $4.99, and also offers in-app purchases.

### Is Portfolio Website Builder free?

Portfolio Website Builder is free to download, with in-app purchases available.

### Which has better reviews, Hydraulic Engineer or Portfolio Website Builder?

Portfolio Website Builder is rated higher. Hydraulic Engineer averages 4.0 out of 5 from 1 ratings, while Portfolio Website Builder averages 5.0 from 1 ratings.

### Do Hydraulic Engineer or Portfolio Website Builder have ads?

Neither Hydraulic Engineer nor Portfolio Website Builder shows ads.

### Which is updated more often, Hydraulic Engineer or Portfolio Website Builder?

Hydraulic Engineer ships an update every 6 months, and Portfolio Website Builder every 5 weeks. Most recently, Hydraulic Engineer was updated on September 26, 2026 and Portfolio Website Builder on September 8, 2026.

---

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