# Fluid Mechanics Calculator vs PSMEGA

The clearest difference is price: PSMEGA at Free against Fluid Mechanics Calculator's $2.99. PSMEGA also leads on update cadence (every 2 months vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PSMEGA is free to download; Fluid Mechanics Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fluid Mechanics Calculator ships an update every 7 months, PSMEGA every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Fluid Mechanics Calculator | PSMEGA |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/fluid-mechanics-calculator/id526974981/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 11 MB | 5 MB |
| Requires iOS | 16.1 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [D.C. Industrie Elektronik GmbH](https://appshunter.io/developer/1435904896) |

## What reviewers say

### Fluid Mechanics Calculator

[App page](https://appshunter.io/ios/app/fluid-mechanics-calculator/id526974981)

This app provides 97 calculators for fluid mechanics and civil engineering parameters. It supports both Imperial (USCS) and Metric (SI) units, offering automatic and accurate calculations with unit changes.

**Highlights:** 97 fluid mechanics and civil engineering calculators, Supports SI and USCS (Imperial) units, Automatic calculations with unit changes, Wide range of parameters covered, Civil engineering applications

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

**In-app purchases:** none


### PSMEGA

[App page](https://appshunter.io/ios/app/psmega/id1456368327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fluid Mechanics Calculator free?

Fluid Mechanics Calculator costs $2.99, with no in-app purchases.

### Is PSMEGA free?

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

### Do Fluid Mechanics Calculator or PSMEGA have ads?

Neither Fluid Mechanics Calculator nor PSMEGA shows ads.

### Which is updated more often, Fluid Mechanics Calculator or PSMEGA?

Fluid Mechanics Calculator ships an update every 7 months, and PSMEGA every 2 months. Most recently, Fluid Mechanics Calculator was updated on October 24, 2026 and PSMEGA on October 19, 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.*