# Flat Pattern & Bend Calculator vs Sheet Metal Master

The clearest difference is iOS requirement: Flat Pattern & Bend Calculator at 15.0 against Sheet Metal Master's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flat Pattern & Bend Calculator sells 2 in-app purchases, starting at $4.99 per month and Sheet Metal Master sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Flat Pattern & Bend Calculator ships an update every 4 months, Sheet Metal Master every 5 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Flat Pattern & Bend Calculator | Sheet Metal Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/flat-pattern-and-bend-calculator/id6747935750/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AdityaKumar Patel](https://appshunter.io/developer/1769783453) | [磊 高](https://appshunter.io/developer/1879509033) |

## What reviewers say

### Flat Pattern & Bend Calculator

[App page](https://appshunter.io/ios/app/flat-pattern-and-bend-calculator/id6747935750)

Calculate precise flat pattern dimensions for various fabricated metal components, from simple bends to complex shapes like elbows, lobsterbacks, and cones. This tool assists fabricators, welders, and engineers in generating accurate layouts for piping, ducting, and pressure vessels.

**Highlights:** Flat pattern calculations for bends, elbows, tees, cones, Supports complex shapes: truncated cones, pyramids, screw flights, Transition layouts: round-to-square, square-to-round, Fast, reliable, and accurate results, Unique and copyright-safe solutions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $4.99 | per month |
| Premium Yearly Access | $29.99 | per year |


### Sheet Metal Master

[App page](https://appshunter.io/ios/app/sheet-metal-master/id6759945933)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SheetMetal Master | $4.99 | per month |


## Frequently asked questions

### Is Flat Pattern & Bend Calculator free?

Flat Pattern & Bend Calculator is free to download, with in-app purchases available.

### Is Sheet Metal Master free?

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

### Do Flat Pattern & Bend Calculator or Sheet Metal Master have ads?

Neither Flat Pattern & Bend Calculator nor Sheet Metal Master shows ads.

### Which is updated more often, Flat Pattern & Bend Calculator or Sheet Metal Master?

Flat Pattern & Bend Calculator ships an update every 4 months, and Sheet Metal Master every 5 months. Most recently, Flat Pattern & Bend Calculator was updated on October 30, 2026 and Sheet Metal Master on November 5, 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.*