# Civil Engineering Calculators vs SimplexLP

The clearest difference is review sentiment: SimplexLP at 67% against Civil Engineering Calculators's 0%. SimplexLP also leads on price ($3.99 vs $19.99) and rating (5.0 vs 4.8). Civil Engineering Calculators's advantage is ratings volume (12 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Civil Engineering Calculators costs $19.99 and SimplexLP $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SimplexLP holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Civil Engineering Calculators has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Civil Engineering Calculators's written reviews are positive against 67% of SimplexLP's.

Civil Engineering Calculators ships an update every 14 months, SimplexLP every 12 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Civil Engineering Calculators | SimplexLP |
| --- | --- | --- |
| Price | $19.99 | **$3.99** |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/civil-engineering-calculators/id673068400/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplexlp/id1114880223/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 12 months** |
| Monetization | Paid | Paid |
| Size | 39 MB | 4 MB |
| Requires iOS | 16.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Axel Besser](https://appshunter.io/developer/790706426) |

## What reviewers say

### Civil Engineering Calculators

[App page](https://appshunter.io/ios/app/civil-engineering-calculators/id673068400)

This comprehensive tool offers over 480 calculators and converters for civil engineering disciplines. It supports both Metric and Imperial units, covering structural, concrete, hydraulics, soil, and more. Designed for professionals and students, it provides an all-in-one solution for complex calculations.

**Highlights:** 484+ calculators and converters, SI and USCS unit support, Structural engineering tools, Concrete engineering calculations, Hydraulics and waterworks formulas, Soil and earthwork analysis, Unit conversion tools

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

**In-app purchases:** none


### SimplexLP

[App page](https://appshunter.io/ios/app/simplexlp/id1114880223)

This app simplifies linear optimization problems with an objective function and constraints. It offers a graphical representation for problems with two variables, making it an ideal learning tool for students and teachers of the Simplex algorithm.

**Highlights:** Solves maximization and minimization problems, Handles unlimited variables and constraints, Supports ≤, ≥, and = inequalities, Provides graphical representation for 2-variable problems, Outputs calculations in fractions or decimals, Offers accurate calculations with fractions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Civil Engineering Calculators free?

Civil Engineering Calculators costs $19.99, with no in-app purchases.

### Is SimplexLP free?

SimplexLP costs $3.99, with no in-app purchases.

### Which has better reviews, Civil Engineering Calculators or SimplexLP?

SimplexLP is rated higher. Civil Engineering Calculators averages 4.8 out of 5 from 12 ratings, while SimplexLP averages 5.0 from 1 ratings.

### Do Civil Engineering Calculators or SimplexLP have ads?

Neither Civil Engineering Calculators nor SimplexLP shows ads.

### Which is updated more often, Civil Engineering Calculators or SimplexLP?

Civil Engineering Calculators ships an update every 14 months, and SimplexLP every 12 months. Most recently, Civil Engineering Calculators was updated on October 14, 2026 and SimplexLP on October 13, 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.*