# PlexCalc™ by Performance Pipe vs Haverly's PetroCalc

The clearest difference is rating: PlexCalc™ by Performance Pipe at 5.0 against Haverly's PetroCalc's 4.7. PlexCalc™ by Performance Pipe also leads on iOS requirement (7.0 vs 12.2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PlexCalc™ by Performance Pipe holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | PlexCalc™ by Performance Pipe | Haverly's PetroCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/plexcalc-by-performance-pipe/id1123124431/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/haverlys-petrocalc/id1125079839/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 11 MB | 54 MB |
| Requires iOS | **7.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chevron Phillips Chemical Company LP](https://appshunter.io/developer/554825508) | [Haverly Systems, Inc.](https://appshunter.io/developer/1125079838) |

## What reviewers say

### PlexCalc™ by Performance Pipe

[App page](https://appshunter.io/ios/app/plexcalc-by-performance-pipe/id1123124431)

This utility app helps engineers and designers select and calculate specifications for polyethylene (PE) pipe. It performs various calculations related to flow rate, pressure, and loading for specific product lines, serving as a supplement to industry guidelines.

**Highlights:** PE pipe design assistance, Flow rate calculations, Pressure capability analysis, Burial and traffic loading reactions, DriscoPlex® product selection

**Features:** macOS Compatibility

**In-app purchases:** none


### Haverly's PetroCalc

[App page](https://appshunter.io/ios/app/haverlys-petrocalc/id1125079839)

This application provides engineers, technicians, and students with a comprehensive set of tools for petroleum property calculations. It offers features for unit conversion, crude oil blending, viscosity prediction, and distillation curve analysis, all accessible offline.

**Highlights:** Unit conversion for energy, temperature, pressure, and viscosity, Distillation curve analysis and interpolation, Crude oil and petroleum blending calculations, Fuel property index computation, Heating value calculations, Boiling point utilities, K-factor calculations, Viscosity prediction models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlexCalc™ by Performance Pipe free?

PlexCalc™ by Performance Pipe is free to download, with no in-app purchases.

### Is Haverly's PetroCalc free?

Haverly's PetroCalc is free to download, with no in-app purchases.

### Which has better reviews, PlexCalc™ by Performance Pipe or Haverly's PetroCalc?

PlexCalc™ by Performance Pipe is rated higher. PlexCalc™ by Performance Pipe averages 5.0 out of 5 from 3 ratings, while Haverly's PetroCalc averages 4.7 from 3 ratings.

### Do PlexCalc™ by Performance Pipe or Haverly's PetroCalc have ads?

Neither PlexCalc™ by Performance Pipe nor Haverly's PetroCalc 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.*