# Pipe Tools vs Energy Auditor Mobile

The clearest difference is update cadence: Energy Auditor Mobile at daily against Pipe Tools's every 36 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pipe Tools sells 1 one-off in-app purchase and Energy Auditor Mobile sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Pipe Tools ships an update every 36 months, Energy Auditor Mobile daily. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pipe Tools | Energy Auditor Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (20 ratings)](https://appshunter.io/ios/app/pipe-tools/id372454624/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Daily** |
| Monetization | Free | — |
| Size | 43 MB | 32 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bri-Steel Manufacturing](https://appshunter.io/developer/968778552) | [Kirk May](https://appshunter.io/developer/1834381707) |

## 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 |


### Energy Auditor Mobile

[App page](https://appshunter.io/ios/app/energy-auditor-mobile/id6751273080)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Energy Auditor App Monthly | $5.99 | per month |


## Frequently asked questions

### Is Pipe Tools free?

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

### Is Energy Auditor Mobile free?

Energy Auditor Mobile is free to download, with in-app purchases available.

### Do Pipe Tools or Energy Auditor Mobile have ads?

Neither Pipe Tools nor Energy Auditor Mobile shows ads.

### Which is updated more often, Pipe Tools or Energy Auditor Mobile?

Pipe Tools ships an update every 36 months, and Energy Auditor Mobile daily. Most recently, Pipe Tools was updated on November 1, 2026 and Energy Auditor Mobile on October 25, 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.*