# Pressure Vessel Pro vs LPG

The clearest difference is price: LPG at Free against Pressure Vessel Pro's $5.99. Pressure Vessel Pro's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

LPG is free to download; Pressure Vessel Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Pressure Vessel Pro | LPG |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pressure-vessel-pro/id535696875/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Monetization | Paid | — |
| Size | 10 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [J.R.Hobbs](https://appshunter.io/developer/395110523) | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) |

## What reviewers say

### Pressure Vessel Pro

[App page](https://appshunter.io/ios/app/pressure-vessel-pro/id535696875)

Perform essential pressure vessel stress calculations with ease. Input dimensions for various tank geometries and instantly get results, including detailed formulae and ASME code compliance. Generate and share PDF reports with schematics.

**Highlights:** Pressure vessel stress calculations, ASME Boiler & Pressure Vessel Code compliance, Support for vertical, horizontal, and spherical tanks, Component stress calculations (cylinders, heads), Generate and share PDF reports, Flexible unit system (Metric/English), Save multiple calculation cases

**Features:** Vision Pro support

**In-app purchases:** none


### LPG

[App page](https://appshunter.io/ios/app/lpg-meter/id6451438897)

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Vessel Pro free?

Pressure Vessel Pro costs $5.99, with no in-app purchases.

### Is LPG free?

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

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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.*