# HydroCalc Plus vs POMO

The clearest difference is in-app purchases: POMO at none against HydroCalc Plus's 4. POMO also leads on price ($0.29 vs $3.99). On ads, device support and iOS requirement there is nothing between them.

HydroCalc Plus costs $3.99 and POMO $0.29 up front. HydroCalc Plus sells 4 one-off in-app purchases. POMO asks for nothing beyond the download.

## The numbers

| Metric | HydroCalc Plus | POMO |
| --- | --- | --- |
| Price | $3.99 | **$0.29** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydrocalc-plus/id578807688/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Paid | — |
| Size | 34 MB | 33 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) | [Murat Yasin YAZDIRAN](https://appshunter.io/developer/1835040365) |

## What reviewers say

### HydroCalc Plus

[App page](https://appshunter.io/ios/app/hydrocalc-plus/id578807688)

A professional tool for hydraulic engineers to calculate pressure losses in piping systems. It supports US and SI units, offers an extensive pipe material and fittings database, and includes inverse calculations for design optimization.

**Highlights:** Friction head loss calculation (Hazen-Williams), US and SI unit support, Extensive pipe material library, Fittings and valves database, Inverse calculation mode, Real-time results (velocity, losses)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pump Power Calculator | $1.99 | one-time |
| System Curve Generator | $1.99 | one-time |
| Pipe Database | $1.99 | one-time |
| Industrial Fluids Pack | $2.99 | one-time |


### POMO

[App page](https://appshunter.io/ios/app/pomo-doro/id6754849488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HydroCalc Plus free?

HydroCalc Plus costs $3.99, and also offers in-app purchases.

### Is POMO free?

POMO costs $0.29, with no in-app purchases.

### Do HydroCalc Plus or POMO have ads?

Neither HydroCalc Plus nor POMO shows ads.

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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.*