# Pressure Vessel Pro vs Timber Engineering Calculator

The clearest difference is rating: Pressure Vessel Pro at 4.5 against Timber Engineering Calculator's 3.9. Pressure Vessel Pro also leads on review sentiment (33% vs 0%) and update cadence (every 5 months vs every 39 months). Timber Engineering Calculator's advantage is price ($3.99 vs $5.99) and ratings volume (7 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

Pressure Vessel Pro costs $5.99 and Timber Engineering Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pressure Vessel Pro holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 33% of Pressure Vessel Pro's written reviews are positive against 0% of Timber Engineering Calculator's.

Pressure Vessel Pro ships an update every 5 months, Timber Engineering Calculator every 39 months. The most recent releases landed on September 17, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | Pressure Vessel Pro | Timber Engineering Calculator |
| --- | --- | --- |
| Price | $5.99 | **$3.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pressure-vessel-pro/id535696875/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/timber-engineering-calculator/id646321927/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 39 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 35 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [J.R.Hobbs](https://appshunter.io/developer/395110523) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## 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


### Timber Engineering Calculator

[App page](https://appshunter.io/ios/app/timber-engineering-calculator/id646321927)

This app provides 55 calculators for various timber and civil engineering parameters, covering beam properties, stress calculations, column design, and connector loads. It supports both metric (SI) and imperial (USCS) units for comprehensive engineering analysis.

**Highlights:** 55 engineering calculators, Timber and civil engineering parameters, Beam properties calculations, Stress and load analysis, Column design tools, Connector load calculations, Metric and imperial units

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

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Vessel Pro free?

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

### Is Timber Engineering Calculator free?

Timber Engineering Calculator costs $3.99, with no in-app purchases.

### Which has better reviews, Pressure Vessel Pro or Timber Engineering Calculator?

Pressure Vessel Pro is rated higher. Pressure Vessel Pro averages 4.5 out of 5 from 2 ratings, while Timber Engineering Calculator averages 3.9 from 7 ratings.

### Do Pressure Vessel Pro or Timber Engineering Calculator have ads?

Neither Pressure Vessel Pro nor Timber Engineering Calculator shows ads.

### Which is updated more often, Pressure Vessel Pro or Timber Engineering Calculator?

Pressure Vessel Pro ships an update every 5 months, and Timber Engineering Calculator every 39 months. Most recently, Pressure Vessel Pro was updated on September 17, 2026 and Timber Engineering Calculator on August 28, 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.*