# Civil Engineering Calculators vs FlyCarpet Psychrometric Chart

The clearest difference is price: Civil Engineering Calculators at $19.99 against FlyCarpet Psychrometric Chart's $29.99. FlyCarpet Psychrometric Chart's advantage is update cadence (every 5 weeks vs every 14 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Civil Engineering Calculators costs $19.99 and FlyCarpet Psychrometric Chart $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Civil Engineering Calculators ships an update every 14 months, FlyCarpet Psychrometric Chart every 5 weeks. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Civil Engineering Calculators | FlyCarpet Psychrometric Chart |
| --- | --- | --- |
| Price | **$19.99** | $29.99 |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/civil-engineering-calculators/id673068400/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 39 MB | 1 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [FlyCarpet Inc](https://appshunter.io/developer/1056467792) |

## 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


### FlyCarpet Psychrometric Chart

[App page](https://appshunter.io/ios/app/flycarpet-psychrometric-chart/id1664636421)

**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 FlyCarpet Psychrometric Chart free?

FlyCarpet Psychrometric Chart costs $29.99, with no in-app purchases.

### Do Civil Engineering Calculators or FlyCarpet Psychrometric Chart have ads?

Neither Civil Engineering Calculators nor FlyCarpet Psychrometric Chart shows ads.

### Which is updated more often, Civil Engineering Calculators or FlyCarpet Psychrometric Chart?

Civil Engineering Calculators ships an update every 14 months, and FlyCarpet Psychrometric Chart every 5 weeks. Most recently, Civil Engineering Calculators was updated on September 5, 2026 and FlyCarpet Psychrometric Chart on September 11, 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.*