# Pipe Trades Pro Calc vs Flat Pattern Bend Calculator

The clearest difference is ads: Pipe Trades Pro Calc at none against Flat Pattern Bend Calculator's shown. Pipe Trades Pro Calc also leads on ratings volume (4.3K vs 151) and rating (4.8 vs 4.6). Flat Pattern Bend Calculator's advantage is update cadence (every 2 months vs every 7 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Pipe Trades Pro Calc sells 2 in-app purchases, starting at $4.99 per month and Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pipe Trades Pro Calc holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Pipe Trades Pro Calc has 4.3K ratings behind it against 151, so its average is the more settled of the two. Written reviews complicate that: 42% of Pipe Trades Pro Calc's written reviews are positive against 45% of Flat Pattern Bend Calculator's, so the app with the better star average is not the one people write more warmly about.

Pipe Trades Pro Calc ships an update every 7 months, Flat Pattern Bend Calculator every 2 months. Both last shipped on September 24, 2026.

## The numbers

| Metric | Pipe Trades Pro Calc | Flat Pattern Bend Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.3K ratings)](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100/reviews)** | [4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews) |
| Number of ratings | **4.3K** | 151 |
| Positive reviews | 42.5% of reviews | **45.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#196** | — |
| Size | 51 MB | 61 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### Pipe Trades Pro Calc

[App page](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100)

**Currently charting:** #196 Top Grossing · Utilities (US App Store)

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

**Highlights:** Advanced measurement calculations, Fluid dynamics and pressure analysis, Comprehensive pipe data access, Offline functionality, User-centric interface, Material and dimension options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |

**What reviewers like**

- 🔢 Useful calculator tool
- 🧠 Helpful for pipe fitters and welders
- 📱 Convenient to have on mobile device
- 🔍 Accurate calculations

**What reviewers complain about**

- 💰 Subscription model is too expensive
- 🔒 Requires internet connection to verify subscription
- 🔄 Used to be a one-time purchase
- 🤔 Confusing transition from one-time to subscription

**Reported bugs**

- App freezes or stops working after updates
- Calculation errors with fractions
- Issues with reinstalling or transferring purchases

**Requested features**

- Ability to use app without subscription
- Support for larger pipe sizes
- Add a back/undo button
- Rotate screen orientation


### 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 Pipe Trades Pro Calc free?

Pipe Trades Pro Calc is free to download, with in-app purchases available.

### Is Flat Pattern Bend Calculator free?

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

### Which has better reviews, Pipe Trades Pro Calc or Flat Pattern Bend Calculator?

Pipe Trades Pro Calc is rated higher. Pipe Trades Pro Calc averages 4.8 out of 5 from 4.3K ratings, while Flat Pattern Bend Calculator averages 4.6 from 151 ratings.

### Do Pipe Trades Pro Calc or Flat Pattern Bend Calculator have ads?

Flat Pattern Bend Calculator shows ads; Pipe Trades Pro Calc does not.

### Which is updated more often, Pipe Trades Pro Calc or Flat Pattern Bend Calculator?

Pipe Trades Pro Calc ships an update every 7 months, and Flat Pattern Bend Calculator every 2 months. Most recently, Pipe Trades Pro Calc was updated on September 24, 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.*