# PAM tools vs Flat Pattern Bend Calculator

The clearest difference is in-app purchases: PAM tools at none against Flat Pattern Bend Calculator's 6. PAM tools also leads on ads (none vs shown). Flat Pattern Bend Calculator's advantage is update cadence (every 2 months vs every 5 months) and review sentiment (45% vs 33%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per 7 days. PAM tools asks for nothing beyond the download.

PAM tools ships an update every 5 months, Flat Pattern Bend Calculator every 2 months. The most recent releases landed on August 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PAM tools | Flat Pattern Bend Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** |
| Number of ratings | — | **151** |
| Positive reviews | 33.3% of reviews | **45.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 61 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### PAM tools

[App page](https://appshunter.io/ios/app/pam-tools/id1080963133)

This application assists engineers and design offices with calculations for water, sewer, industry, and irrigation networks. It provides tools for sizing and installing ductile iron pipelines, offering calculations for pressure, depth, head losses, and more.

**Highlights:** Allowable pressure calculation, Depth of cover calculation, Head losses calculation, Thrust massif calculation, Anchor length calculation, Pressure reducing valve calculation, Flanged joints calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| MONTHLY UNLOCK | $6.99 | per month |
| Offer : Yearly Access | $29.99 | per year |
| Yearly Access | $39.99 | per year |
| YEARLY UNLOCK | $39.99 | per year |
| LIFETIME UNLOCK | $69.99 | one-time |


## Frequently asked questions

### Is PAM tools free?

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

### Is Flat Pattern Bend Calculator free?

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

### Do PAM tools or Flat Pattern Bend Calculator have ads?

Flat Pattern Bend Calculator shows ads; PAM tools does not.

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

PAM tools ships an update every 5 months, and Flat Pattern Bend Calculator every 2 months. Most recently, PAM tools was updated on August 18, 2026 and Flat Pattern Bend Calculator on September 24, 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.*