# Flat Pattern Bend Calculator vs Aperture Area Calculator

The clearest difference is price: Flat Pattern Bend Calculator at Free against Aperture Area Calculator's $2.99. Flat Pattern Bend Calculator also leads on update cadence (every 6 weeks vs every 32 months). Aperture Area Calculator's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

Flat Pattern Bend Calculator is free to download; Aperture Area Calculator costs $2.99 up front. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per month. Aperture Area Calculator asks for nothing beyond the download.

Flat Pattern Bend Calculator ships an update every 6 weeks, Aperture Area Calculator every 32 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | Flat Pattern Bend Calculator | Aperture Area Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (152 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** | — |
| Number of ratings | **152** | — |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 32 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 1 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Flat Pattern Bend Calculator

[App page](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922)

This app provides accurate flat pattern layouts for complex sheet metal shapes and transitions. It simplifies calculations for cones, frustums, cylinders, and various transition pieces, saving time and reducing errors in fabrication projects.

**Highlights:** Cone calculations, Frustum calculations, Truncated cylinder layouts, Bend allowance calculations, Transition piece generation, Complex shape patterns

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY UNLOCK | $4.99 | per month |
| Weekly Subscription | $4.99 | per 7 days |
| Offer : Yearly Access | $19.99 | per year |
| YEARLY UNLOCK | $29.99 | per year |
| Yearly Access | $39.99 | per year |
| LIFETIME UNLOCK | $49.99 | one-time |


### Aperture Area Calculator

[App page](https://appshunter.io/ios/app/aperture-area-calculator/id1421661174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flat Pattern Bend Calculator free?

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

### Is Aperture Area Calculator free?

Aperture Area Calculator costs $2.99, with no in-app purchases.

### Do Flat Pattern Bend Calculator or Aperture Area Calculator have ads?

Flat Pattern Bend Calculator shows ads; Aperture Area Calculator does not.

### Which is updated more often, Flat Pattern Bend Calculator or Aperture Area Calculator?

Flat Pattern Bend Calculator ships an update every 6 weeks, and Aperture Area Calculator every 32 months. Most recently, Flat Pattern Bend Calculator was updated on November 11, 2026 and Aperture Area Calculator on November 11, 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.*