# Pipe Guide Calculator vs Flat Metal Patterns

The clearest difference is review sentiment: Flat Metal Patterns at 83% against Pipe Guide Calculator's 0%. Flat Metal Patterns also leads on rating (4.4 vs 3.0) and update cadence (every 5 weeks vs every 12 months). Pipe Guide Calculator's advantage is in-app purchases (none vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Flat Metal Patterns sells 3 in-app purchases, starting at $7.99 per month. Pipe Guide Calculator asks for nothing beyond the download.

Flat Metal Patterns holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Flat Metal Patterns has 25 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Pipe Guide Calculator's written reviews are positive against 83% of Flat Metal Patterns's.

Pipe Guide Calculator ships an update every 12 months, Flat Metal Patterns every 5 weeks. The most recent releases landed on June 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Pipe Guide Calculator | Flat Metal Patterns |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/pipe-guide-calculator/id1076615988/reviews) | **[4.4 (25 ratings)](https://appshunter.io/ios/app/flat-metal-patterns/id1481867517/reviews)** |
| Number of ratings | 4 | **25** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 135 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT Welding Sweden AB](https://appshunter.io/developer/1076615987) | [Ignacio Renteria-Molina](https://appshunter.io/developer/1481867516) |

## 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


### Flat Metal Patterns

[App page](https://appshunter.io/ios/app/flat-metal-patterns/id1481867517)

This app simplifies metal pattern creation with precise mathematical calculations, saving time and reducing errors compared to manual methods. It offers various pattern types, unit conversions, and smart calculation features for both experienced professionals and beginners.

**Highlights:** Automated pattern calculation, 20+ different pattern types, Diameter-Circumference conversion, Pipe and insulation reference tables, Smart calculator for fractions/decimals, Scale feature for large patterns

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $7.99 | per month |
| 3 months subscription | $19.99 | per 3 months |
| 6 month subscription | $38.99 | per 6 months |


## Frequently asked questions

### Is Pipe Guide Calculator free?

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

### Is Flat Metal Patterns free?

Flat Metal Patterns is free to download, with in-app purchases available.

### Which has better reviews, Pipe Guide Calculator or Flat Metal Patterns?

Flat Metal Patterns is rated higher. Pipe Guide Calculator averages 3.0 out of 5 from 4 ratings, while Flat Metal Patterns averages 4.4 from 25 ratings.

### Do Pipe Guide Calculator or Flat Metal Patterns have ads?

Neither Pipe Guide Calculator nor Flat Metal Patterns shows ads.

### Which is updated more often, Pipe Guide Calculator or Flat Metal Patterns?

Pipe Guide Calculator ships an update every 12 months, and Flat Metal Patterns every 5 weeks. Most recently, Pipe Guide Calculator was updated on June 9, 2026 and Flat Metal Patterns on September 16, 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.*