# Flat Metal Patterns vs Sheet Metal Calculator

The clearest difference is review sentiment: Flat Metal Patterns at 83% against Sheet Metal Calculator's 0%. Flat Metal Patterns also leads on rating (4.4 vs 1.4) and update cadence (every 5 weeks vs every 4 months). 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 Sheet Metal Calculator sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Flat Metal Patterns holds the better App Store score, 4.4 against 1.4. Both are backed by a comparable volume of ratings — 27 and 9 respectively. Written reviews point the same way: 83% of Flat Metal Patterns's written reviews are positive against 0% of Sheet Metal Calculator's.

Flat Metal Patterns ships an update every 5 weeks, Sheet Metal Calculator every 4 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flat Metal Patterns | Sheet Metal Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (27 ratings)](https://appshunter.io/ios/app/flat-metal-patterns/id1481867517/reviews)** | [1.4 (9 ratings)](https://appshunter.io/ios/app/sheet-metal-calculator/id6469767934/reviews) |
| Number of ratings | **27** | 9 |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | **Freemium** | Paid |
| Size | 135 MB | 39 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) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## 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 |


### Sheet Metal Calculator

[App page](https://appshunter.io/ios/app/sheet-metal-calculator/id6469767934)

This app simplifies sheet metal calculations for professionals and DIYers. It helps determine material thickness, size, weight, bend allowances, and cut lengths. Features include material selection, unit conversions, and geometric shape calculations.

**Highlights:** Material selection database, Thickness and size calculations, Accurate weight estimations, Bend allowance and K-factor calculation, Cut length and offcut optimization, Unit conversion tools, Geometric shape calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $8.99 | per month |
| Yearly | $17.99 | per year |


## Frequently asked questions

### Is Flat Metal Patterns free?

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

### Is Sheet Metal Calculator free?

Sheet Metal Calculator is free to download, with in-app purchases available.

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

Flat Metal Patterns is rated higher. Flat Metal Patterns averages 4.4 out of 5 from 27 ratings, while Sheet Metal Calculator averages 1.4 from 9 ratings.

### Do Flat Metal Patterns or Sheet Metal Calculator have ads?

Neither Flat Metal Patterns nor Sheet Metal Calculator shows ads.

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

Flat Metal Patterns ships an update every 5 weeks, and Sheet Metal Calculator every 4 months. Most recently, Flat Metal Patterns was updated on October 20, 2026 and Sheet Metal Calculator on October 24, 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.*