# Metal vs Master Flash® Calculator

The clearest difference is update cadence: Master Flash® Calculator at weekly against Metal's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Metal ships an update every 6 weeks, Master Flash® Calculator weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Metal | Master Flash® Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/metal-era/id1482025821/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 22 MB | 33 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Metal-Era, Inc](https://appshunter.io/developer/1482025820) | [Aztec International S.A.](https://appshunter.io/developer/1726986799) |

## What reviewers say

### Metal

[App page](https://appshunter.io/ios/app/metal-era/id1482025821)

This app provides roofing professionals with essential tools and information for commercial roofing projects. It offers calculators to assist in project planning and selecting appropriate edge metal systems. Access expert knowledge from a leading manufacturer in the industry.

**Highlights:** Roofing project calculators, Edge metal system selection, Commercial roofing industry resource, Expert knowledge access

**Features:** macOS Compatibility

**In-app purchases:** none


### Master Flash® Calculator

[App page](https://appshunter.io/ios/app/master-flash-calculator/id6476518905)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metal free?

Metal is free to download, with no in-app purchases.

### Is Master Flash® Calculator free?

Master Flash® Calculator is free to download, with no in-app purchases.

### Do Metal or Master Flash® Calculator have ads?

Neither Metal nor Master Flash® Calculator shows ads.

### Which is updated more often, Metal or Master Flash® Calculator?

Metal ships an update every 6 weeks, and Master Flash® Calculator weekly. Most recently, Metal was updated on November 3, 2026 and Master Flash® Calculator on November 4, 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.*