# Flat Pattern vs Sheet Metal Calculator

The clearest difference is price: Sheet Metal Calculator at Free against Flat Pattern's $7.99. Sheet Metal Calculator also leads on rating (1.4 vs 1.0) and ratings volume (9 vs 2). Flat Pattern's advantage is in-app purchases (none vs 3) and update cadence (daily vs every 4 months). On ads, monetization model and device support there is nothing between them.

Sheet Metal Calculator is free to download; Flat Pattern costs $7.99 up front. Sheet Metal Calculator sells 3 in-app purchases, starting at $3.99 per 7 days. Flat Pattern asks for nothing beyond the download.

Sheet Metal Calculator holds the better App Store score, 1.4 against 1.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

Flat Pattern ships an update daily, Sheet Metal Calculator every 4 months. The most recent releases landed on October 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Flat Pattern | Sheet Metal Calculator |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/flat-pattern/id1490125173/reviews) | **[1.4 (9 ratings)](https://appshunter.io/ios/app/sheet-metal-calculator/id6469767934/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 64 MB | 39 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Flat Pattern

[App page](https://appshunter.io/ios/app/flat-pattern/id1490125173)

This tool helps fabrication professionals create precise flat patterns for various shapes, minimizing fabrication time and increasing accuracy. It supports a wide range of complex geometries for industries like pressure vessels, piping, and heavy equipment.

**Highlights:** Fabrication layout for pipes and cones, Supports various pipe intersections, Calculates transitions between shapes, Generates patterns for pyramids and spheres, Includes dish end and screw flight layouts, Minimizes fabrication time and increases accuracy

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

**In-app purchases:** none


### 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 Pattern free?

Flat Pattern costs $7.99, with no in-app purchases.

### Is Sheet Metal Calculator free?

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

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

Sheet Metal Calculator is rated higher. Flat Pattern averages 1.0 out of 5 from 2 ratings, while Sheet Metal Calculator averages 1.4 from 9 ratings.

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

Neither Flat Pattern nor Sheet Metal Calculator shows ads.

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

Flat Pattern ships an update daily, and Sheet Metal Calculator every 4 months. Most recently, Flat Pattern was updated on October 1, 2026 and Sheet Metal Calculator on September 22, 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.*