# Pipe Tools vs Severe Service

The clearest difference is rating: Severe Service at 4.7 against Pipe Tools's 4.2. Severe Service also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 36 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Pipe Tools sells 1 one-off in-app purchase. Severe Service asks for nothing beyond the download.

Severe Service holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 20 and 7 respectively.

Pipe Tools ships an update every 36 months, Severe Service monthly. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Pipe Tools | Severe Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/severe-service/id1436753584/reviews)** |
| Number of ratings | **20** | 7 |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Monthly** |
| Monetization | Free | Free |
| Size | 43 MB | 26 MB |
| Requires iOS | 15.1 | **13.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [Emerson Process Management](https://appshunter.io/developer/561985742) |

## What reviewers say

### Pipe Tools

[App page](https://appshunter.io/ios/app/pipe-tools/id372454624)

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

**Highlights:** Steel pipe charts (wall thickness, mass), Unit conversions (feet, meters, pounds, kg), Pipe cost comparison, Customizable PDF quote generation, Mechanical and hardness conversions, Pressure and wall thickness calculations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Tools | $0.99 | one-time |


### Severe Service

[App page](https://appshunter.io/ios/app/severe-service/id1436753584)

This app helps users perform initial sizing for control valves, diagnose issues by selecting symptoms, and explore severe service applications across various industries. It also provides access to a technical library with videos and PDFs, a product catalog, and a contact feature for expert assistance.

**Highlights:** Control valve sizing tool, Issue diagnosis by symptom, Industry application explorer, Technical library with videos and PDFs, Fisher product catalog, Keyword search functionality, Direct contact with experts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Tools free?

Pipe Tools is free to download, with in-app purchases available.

### Is Severe Service free?

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

### Which has better reviews, Pipe Tools or Severe Service?

Severe Service is rated higher. Pipe Tools averages 4.2 out of 5 from 20 ratings, while Severe Service averages 4.7 from 7 ratings.

### Do Pipe Tools or Severe Service have ads?

Neither Pipe Tools nor Severe Service shows ads.

### Which is updated more often, Pipe Tools or Severe Service?

Pipe Tools ships an update every 36 months, and Severe Service monthly. Most recently, Pipe Tools was updated on October 8, 2026 and Severe Service on September 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.*