# Engine Horsepower Calculator vs Pipefitter_Pro

The clearest difference is rating: Engine Horsepower Calculator at 4.2 against Pipefitter_Pro's 3.0. Engine Horsepower Calculator also leads on price ($2.99 vs $10.99) and ratings volume (6 vs 2). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Engine Horsepower Calculator costs $2.99 and Pipefitter_Pro $10.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Engine Horsepower Calculator holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Engine Horsepower Calculator ships an update every 29 months, Pipefitter_Pro every 24 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Engine Horsepower Calculator | Pipefitter_Pro |
| --- | --- | --- |
| Price | **$2.99** | $10.99 |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/engine-horsepower-calculator/id1095000562/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/pipefitter-pro/id6444051340/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | — | 53.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 24 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 50 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Tomasz Szymanski](https://appshunter.io/developer/1043963851) |

## What reviewers say

### Engine Horsepower Calculator

[App page](https://appshunter.io/ios/app/engine-horsepower-calculator/id1095000562)

Estimate your vehicle's engine horsepower using different calculation methods based on weight, time, and speed. This tool provides estimations for quarter-mile runs.

**Highlights:** Estimate engine horsepower, Quarter-mile run calculations, ET Method calculation, Trap-speed Method calculation, RPM Torque Method calculation, Vehicle weight input

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

**In-app purchases:** none


### Pipefitter_Pro

[App page](https://appshunter.io/ios/app/pipefitter-pro/id6444051340)

This app is a pipe calculation tool that helps determine offsets, angles, and pipe segments. It offers a visual representation of angles and a slider for quick offset dimensioning, with dynamic angle updates. Future updates aim to include 3D angle calculations.

**Highlights:** Calculate pipe offsets, Determine angles, Calculate pipe segments, Visual angle representation, Slider for offset dimensioning, Dynamic angle updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Engine Horsepower Calculator free?

Engine Horsepower Calculator costs $2.99, with no in-app purchases.

### Is Pipefitter_Pro free?

Pipefitter_Pro costs $10.99, with no in-app purchases.

### Which has better reviews, Engine Horsepower Calculator or Pipefitter_Pro?

Engine Horsepower Calculator is rated higher. Engine Horsepower Calculator averages 4.2 out of 5 from 6 ratings, while Pipefitter_Pro averages 3.0 from 2 ratings.

### Do Engine Horsepower Calculator or Pipefitter_Pro have ads?

Neither Engine Horsepower Calculator nor Pipefitter_Pro shows ads.

### Which is updated more often, Engine Horsepower Calculator or Pipefitter_Pro?

Engine Horsepower Calculator ships an update every 29 months, and Pipefitter_Pro every 24 months. Most recently, Engine Horsepower Calculator was updated on October 24, 2026 and Pipefitter_Pro on October 27, 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.*