# Pipe Fitter Calculator Pro vs Stringer

The clearest difference is rating: Pipe Fitter Calculator Pro at 5.0 against Stringer's 4.4. Pipe Fitter Calculator Pro also leads on iOS requirement (13.0 vs 17.6). Stringer's advantage is ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Pipe Fitter Calculator Pro sells 1 one-off in-app purchase and Stringer sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Pipe Fitter Calculator Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Stringer has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Pipe Fitter Calculator Pro | Stringer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pipe-fitter-calculator-pro/id6781168870/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/stringer-stair-layout/id6784882437/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Pipe Fitter Calculator Pro

[App page](https://appshunter.io/ios/app/pipe-fitter-calculator-pro/id6781168870)

This engineering calculator assists pipe fitters, welders, and fabricators with accurate pipe calculations, offset layouts, and angle finding. It helps reduce errors and improve productivity in various construction and fabrication settings.

**Highlights:** Pipe angle and offset calculations, Rolling offset calculator, Visualize pipe layouts, Fabrication tools, Engineering formulas, Unit conversion, Project calculation management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


### Stringer

[App page](https://appshunter.io/ios/app/stringer-stair-layout/id6784882437)

This app calculates stair stringer dimensions for builders and DIYers. It provides clear options, code references, and visual layouts for accurate timber cutting. All calculations are performed on-device for privacy and offline use.

**Highlights:** Stair stringer calculations, Imperial/metric unit support, Building code references, Visual stair elevation and stringer shape, On-device offline functionality, Project saving and organization, Estimates board length and cut counts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stringer Pro Monthly | $7.99 | per month |
| Stringer Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Pipe Fitter Calculator Pro free?

Pipe Fitter Calculator Pro is free to download, with in-app purchases available.

### Is Stringer free?

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

### Which has better reviews, Pipe Fitter Calculator Pro or Stringer?

Pipe Fitter Calculator Pro is rated higher. Pipe Fitter Calculator Pro averages 5.0 out of 5 from 1 ratings, while Stringer averages 4.4 from 5 ratings.

### Do Pipe Fitter Calculator Pro or Stringer have ads?

Neither Pipe Fitter Calculator Pro nor Stringer shows ads.

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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.*