# Fluid Pressure Drop vs Helpion

The clearest difference is price: Helpion at Free against Fluid Pressure Drop's $4.99. Helpion also leads on update cadence (every 2 months vs every 12 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Helpion is free to download; Fluid Pressure Drop costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fluid Pressure Drop ships an update every 12 months, Helpion every 2 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Fluid Pressure Drop | Helpion |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fluid-pressure-drop/id467174085/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 56 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Leader Group](https://appshunter.io/developer/1051414991) |

## What reviewers say

### Fluid Pressure Drop

[App page](https://appshunter.io/ios/app/fluid-pressure-drop/id467174085)

Calculate fluid transmission energy loss for industrial applications. Choose from common fluids, pipe schedules, and materials to determine pressure loss. Supports custom fluids and includes calculations for valves and fittings.

**Highlights:** Pressure loss computation, Custom fluid creation, Valve and fitting loss calculation, Multiple fluid options, Various pipe schedules and materials, Unit of measurement selection

**Features:** macOS Compatibility

**In-app purchases:** none


### Helpion

[App page](https://appshunter.io/ios/app/helpion/id6741139885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fluid Pressure Drop free?

Fluid Pressure Drop costs $4.99, with no in-app purchases.

### Is Helpion free?

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

### Do Fluid Pressure Drop or Helpion have ads?

Neither Fluid Pressure Drop nor Helpion shows ads.

### Which is updated more often, Fluid Pressure Drop or Helpion?

Fluid Pressure Drop ships an update every 12 months, and Helpion every 2 months. Most recently, Fluid Pressure Drop was updated on October 4, 2026 and Helpion on October 1, 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.*