# HydroCalc Plus vs BeautyRecording

The clearest difference is in-app purchases: BeautyRecording at none against HydroCalc Plus's 4. BeautyRecording also leads on update cadence (every 4 days vs every 3 weeks) and ratings volume (3 vs 1). HydroCalc Plus's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On rating, ads and monetization model there is nothing between them.

HydroCalc Plus costs $3.99 and BeautyRecording $2.99 up front. HydroCalc Plus sells 4 one-off in-app purchases. BeautyRecording asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HydroCalc Plus against 5.0 for BeautyRecording. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

HydroCalc Plus ships an update every 3 weeks, BeautyRecording every 4 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HydroCalc Plus | BeautyRecording |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/hydrocalc-plus/id578807688/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/beautyrecording/id6744966513/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 34 MB | 28 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) | [莉 朱](https://appshunter.io/developer/1396913167) |

## 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 |


### BeautyRecording

[App page](https://appshunter.io/ios/app/beautyrecording/id6744966513)

This app offers a simple and visually appealing way to record audio with a customizable interface. Switch between multiple sweet-themed skins to personalize your recording experience. It's designed for quick, high-definition audio capture for various needs, from personal notes to lectures.

**Highlights:** High-definition voice recording, Multiple customizable skins, Simple one-tap operation, Easy sharing of recordings, Fresh and sweet interface style

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroCalc Plus free?

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

### Is BeautyRecording free?

BeautyRecording costs $2.99, with no in-app purchases.

### Which has better reviews, HydroCalc Plus or BeautyRecording?

HydroCalc Plus and BeautyRecording are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do HydroCalc Plus or BeautyRecording have ads?

Neither HydroCalc Plus nor BeautyRecording shows ads.

### Which is updated more often, HydroCalc Plus or BeautyRecording?

HydroCalc Plus ships an update every 3 weeks, and BeautyRecording every 4 days. Most recently, HydroCalc Plus was updated on October 4, 2026 and BeautyRecording on October 15, 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.*