# WebbSight Legacy vs Pipefitter Calculator (e4bc01)

The clearest difference is in-app purchases: WebbSight Legacy at none against Pipefitter Calculator (e4bc01)'s 2. WebbSight Legacy also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Pipefitter Calculator (e4bc01) sells 2 in-app purchases, starting at $4.99 per month. WebbSight Legacy asks for nothing beyond the download.

WebbSight Legacy ships an update every 3 weeks, Pipefitter Calculator (e4bc01) every 4 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | WebbSight Legacy | Pipefitter Calculator (e4bc01) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 177 MB | 50 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3S Services, LLC](https://appshunter.io/developer/1682514954) | [Justin Walls](https://appshunter.io/developer/6782460947) |

## What reviewers say

### WebbSight Legacy

[App page](https://appshunter.io/ios/app/webbsight-legacy/id6447765138)

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

**In-app purchases:** none


### Pipefitter Calculator (e4bc01)

[App page](https://appshunter.io/ios/app/pipefitter-calculator-e4bc01/id6782460945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipefitter Pro | $4.99 | per month |
| Remove Ads Forever | $9.99 | one-time |


## Frequently asked questions

### Is WebbSight Legacy free?

WebbSight Legacy is free to download, with no in-app purchases.

### Is Pipefitter Calculator (e4bc01) free?

Pipefitter Calculator (e4bc01) is free to download, with in-app purchases available.

### Do WebbSight Legacy or Pipefitter Calculator (e4bc01) have ads?

Pipefitter Calculator (e4bc01) shows ads; WebbSight Legacy does not.

### Which is updated more often, WebbSight Legacy or Pipefitter Calculator (e4bc01)?

WebbSight Legacy ships an update every 3 weeks, and Pipefitter Calculator (e4bc01) every 4 weeks. Most recently, WebbSight Legacy was updated on October 7, 2026 and Pipefitter Calculator (e4bc01) on October 6, 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.*