# Fluid Mechanics Calculator vs PFScan

The clearest difference is price: PFScan at Free against Fluid Mechanics Calculator's $2.99. PFScan also leads on update cadence (every 6 weeks vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PFScan 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, PFScan every 6 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fluid Mechanics Calculator | PFScan |
| --- | --- | --- |
| 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 6 weeks** |
| Monetization | Paid | — |
| Size | 11 MB | 3 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [PIETRO FIORENTINI SPA](https://appshunter.io/developer/1643686845) |

## 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


### PFScan

[App page](https://appshunter.io/ios/app/pfscan/id6466814012)

**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 PFScan free?

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

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

Neither Fluid Mechanics Calculator nor PFScan shows ads.

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

Fluid Mechanics Calculator ships an update every 7 months, and PFScan every 6 weeks. Most recently, Fluid Mechanics Calculator was updated on November 4, 2026 and PFScan on November 3, 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.*