# Two Phase Separator Lite vs Piping Calculators

The clearest difference is price: Two Phase Separator Lite at Free against Piping Calculators's $19.99. Two Phase Separator Lite also leads on iOS requirement (11.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Two Phase Separator Lite is free to download; Piping Calculators costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Two Phase Separator Lite | Piping Calculators |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | — |
| Size | 27 MB | 9 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Pourahmadi Laleh](https://appshunter.io/developer/1218620381) | [Jitendra Surve](https://appshunter.io/developer/1693898824) |

## What reviewers say

### Two Phase Separator Lite

[App page](https://appshunter.io/ios/app/two-phase-separator-lite/id1347623045)

**Features:** macOS Compatibility

**In-app purchases:** none


### Piping Calculators

[App page](https://appshunter.io/ios/app/piping-calculators/id6478563085)

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

**In-app purchases:** none


## Frequently asked questions

### Is Two Phase Separator Lite free?

Two Phase Separator Lite is free to download, with no in-app purchases.

### Is Piping Calculators free?

Piping Calculators costs $19.99, with no in-app purchases.

### Do Two Phase Separator Lite or Piping Calculators have ads?

Neither Two Phase Separator Lite nor Piping Calculators shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*