# PlexCalc™ by Performance Pipe vs Intelligent Star

The clearest difference is ratings volume: PlexCalc™ by Performance Pipe at 3 against Intelligent Star's 1. PlexCalc™ by Performance Pipe also leads on iOS requirement (7.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PlexCalc™ by Performance Pipe against 5.0 for Intelligent Star. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | PlexCalc™ by Performance Pipe | Intelligent Star |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/plexcalc-by-performance-pipe/id1123124431/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/intelligent-star/id6478952843/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Monetization | Free | Free |
| Size | 11 MB | 23 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chevron Phillips Chemical Company LP](https://appshunter.io/developer/554825508) | [涛 宋](https://appshunter.io/developer/1734265119) |

## 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


### Intelligent Star

[App page](https://appshunter.io/ios/app/intelligent-star/id6478952843)

Monitor and control smart aquarium hardware from your smartphone. This platform allows for simple setup and quick simulation of realistic ocean tides, currently supporting wave-making and pump products.

**Highlights:** Monitor smart aquarium hardware, Control smart aquarium hardware, Simulate ocean tides, Quick setup, Supports wave-making products, Supports pump products

**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 Intelligent Star free?

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

### Which has better reviews, PlexCalc™ by Performance Pipe or Intelligent Star?

PlexCalc™ by Performance Pipe and Intelligent Star are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do PlexCalc™ by Performance Pipe or Intelligent Star have ads?

Neither PlexCalc™ by Performance Pipe nor Intelligent Star 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.*