# Pipe Guide Calculator vs Zero Helper

The clearest difference is price: Pipe Guide Calculator at Free against Zero Helper's $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Pipe Guide Calculator is free to download; Zero Helper costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pipe Guide Calculator ships an update every 12 months, Zero Helper every 13 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pipe Guide Calculator | Zero Helper |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/pipe-guide-calculator/id1076615988/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 13 months |
| Monetization | Free | — |
| Size | 19 MB | 42 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [IT Welding Sweden AB](https://appshunter.io/developer/1076615987) | [Michael Johnston](https://appshunter.io/developer/1834807477) |

## What reviewers say

### Pipe Guide Calculator

[App page](https://appshunter.io/ios/app/pipe-guide-calculator/id1076615988)

This utility app provides essential calculations for pipe fitting, eliminating the need for reference tables. Designed by a welder for welders, it aims to save time and streamline work processes.

**Highlights:** All necessary computations in one place, Useful calculations for pipe fitting, Eliminates the need for tables, Saves time on the job, Designed for welders

**Features:** macOS Compatibility

**In-app purchases:** none


### Zero Helper

[App page](https://appshunter.io/ios/app/zero-helper/id6752366475)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Guide Calculator free?

Pipe Guide Calculator is free to download, with no in-app purchases.

### Is Zero Helper free?

Zero Helper costs $9.99, with no in-app purchases.

### Do Pipe Guide Calculator or Zero Helper have ads?

Neither Pipe Guide Calculator nor Zero Helper shows ads.

### Which is updated more often, Pipe Guide Calculator or Zero Helper?

Pipe Guide Calculator ships an update every 12 months, and Zero Helper every 13 months. Most recently, Pipe Guide Calculator was updated on October 24, 2026 and Zero Helper on October 30, 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.*