# Flat Pattern Bend Calculator vs GAUGE

The clearest difference is price: Flat Pattern Bend Calculator at Free against GAUGE's $4.99. GAUGE'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; GAUGE costs $4.99 up front. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per month. GAUGE asks for nothing beyond the download.

Flat Pattern Bend Calculator ships an update every 2 months, GAUGE every 2 days. The most recent releases landed on October 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Flat Pattern Bend Calculator | GAUGE |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** | — |
| Number of ratings | **151** | — |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Hirosuke Yonekubo](https://appshunter.io/developer/1625472869) |

## 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 | $29.99 | per year |
| LIFETIME UNLOCK | $49.99 | one-time |


### GAUGE

[App page](https://appshunter.io/ios/app/gauge-level-ruler-protractor/id6761431511)

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

**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 GAUGE free?

GAUGE costs $4.99, with no in-app purchases.

### Do Flat Pattern Bend Calculator or GAUGE have ads?

Flat Pattern Bend Calculator shows ads; GAUGE does not.

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

Flat Pattern Bend Calculator ships an update every 2 months, and GAUGE every 2 days. Most recently, Flat Pattern Bend Calculator was updated on October 15, 2026 and GAUGE on September 25, 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.*