# Flat Metal Patterns vs Layout Calc Pro

The clearest difference is update cadence: Layout Calc Pro at every 6 days against Flat Metal Patterns's every 5 weeks. On price, ads, in-app purchases 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 and Layout Calc Pro sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Flat Metal Patterns ships an update every 5 weeks, Layout Calc Pro every 6 days. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Flat Metal Patterns | Layout Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/flat-metal-patterns/id1481867517/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 135 MB | 49 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ignacio Renteria-Molina](https://appshunter.io/developer/1481867516) | [思源 李](https://appshunter.io/developer/1704804704) |

## What reviewers say

### 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 |


### Layout Calc Pro

[App page](https://appshunter.io/ios/app/layout-calc-pro/id6476074424)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Day VIP | $5.00 | one-time |
| 1-Year VIP Membership | $19.99 | one-time |
| 2-Year VIP Membership | $34.99 | one-time |
| 3-Year VIP Membership | $44.99 | one-time |
| 1-Year VIP Membership | $55.00 | one-time |
| 2-Year VIP Membership | $104.99 | one-time |
| 3-Year VIP Membership | $154.99 | one-time |


## Frequently asked questions

### Is Flat Metal Patterns free?

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

### Is Layout Calc Pro free?

Layout Calc Pro is free to download, with in-app purchases available.

### Do Flat Metal Patterns or Layout Calc Pro have ads?

Neither Flat Metal Patterns nor Layout Calc Pro shows ads.

### Which is updated more often, Flat Metal Patterns or Layout Calc Pro?

Flat Metal Patterns ships an update every 5 weeks, and Layout Calc Pro every 6 days. Most recently, Flat Metal Patterns was updated on September 16, 2026 and Layout Calc Pro on September 17, 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.*