# Structural Engineering lite vs Hydraulic Calculator Engineer

Structural Engineering lite and Hydraulic Calculator Engineer both sit at 4.2 stars, but that hides the real split: 60% of Structural Engineering lite's written reviews are positive against 0% of Hydraulic Calculator Engineer's. Structural Engineering lite also leads on update cadence (every 6 months vs every 22 months). Hydraulic Calculator Engineer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Structural Engineering lite sells 1 one-off in-app purchase. Hydraulic Calculator Engineer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Structural Engineering lite against 4.3 for Hydraulic Calculator Engineer. Both are backed by a comparable volume of ratings — 19 and 9 respectively. Written reviews are what separate them: 60% of Structural Engineering lite's written reviews are positive against 0% of Hydraulic Calculator Engineer's.

Structural Engineering lite ships an update every 6 months, Hydraulic Calculator Engineer every 22 months. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Structural Engineering lite | Hydraulic Calculator Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/structural-engineering-lite/id638690043/reviews) | **[4.3 (9 ratings)](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770/reviews)** |
| Number of ratings | **19** | 9 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 22 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 21 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### Structural Engineering lite

[App page](https://appshunter.io/ios/app/structural-engineering-lite/id638690043)

This app provides engineers with essential structural formulas and calculations for civil construction projects. It offers instant results, demand/capacity checks, and a built-in database of materials and sections, all accessible on mobile devices.

**Highlights:** 59 structural formulas (AISC/ACI), Instant demand/capacity checks, Built-in AISC section database, Material and code references, USCS & SI unit support, Pass/Fail visual indicator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Structural Engineering Calc. | $5.99 | one-time |


### Hydraulic Calculator Engineer

[App page](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770)

This app offers a suite of hydraulic calculations for technicians and engineers. It simplifies complex hydraulics by automatically computing results based on user-entered values, eliminating the need for manual formula application.

**Highlights:** Cylinder Calculation, Power Calculation, Pressure Difference, Piston Diameter, Speed Calculation, Lifting Time, Volume Flow

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

**In-app purchases:** none


## Frequently asked questions

### Is Structural Engineering lite free?

Structural Engineering lite is free to download, with in-app purchases available.

### Is Hydraulic Calculator Engineer free?

Hydraulic Calculator Engineer is free to download, with no in-app purchases.

### Which has better reviews, Structural Engineering lite or Hydraulic Calculator Engineer?

Hydraulic Calculator Engineer is rated higher. Structural Engineering lite averages 4.2 out of 5 from 19 ratings, while Hydraulic Calculator Engineer averages 4.3 from 9 ratings.

### Do Structural Engineering lite or Hydraulic Calculator Engineer have ads?

Structural Engineering lite shows ads; Hydraulic Calculator Engineer does not.

### Which is updated more often, Structural Engineering lite or Hydraulic Calculator Engineer?

Structural Engineering lite ships an update every 6 months, and Hydraulic Calculator Engineer every 22 months. Most recently, Structural Engineering lite was updated on September 18, 2026 and Hydraulic Calculator Engineer on September 28, 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.*