# Flat Pattern Bend Calculator vs Pipeq Pipe Sizes

The clearest difference is review sentiment: Flat Pattern Bend Calculator at 47% against Pipeq Pipe Sizes's 0%. Flat Pattern Bend Calculator also leads on rating (4.6 vs 3.0) and ratings volume (151 vs 1). Pipeq Pipe Sizes's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Flat Pattern Bend Calculator sells 6 in-app purchases, starting at $4.99 per month. Pipeq Pipe Sizes asks for nothing beyond the download.

Flat Pattern Bend Calculator holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Flat Pattern Bend Calculator has 151 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Flat Pattern Bend Calculator's written reviews are positive against 0% of Pipeq Pipe Sizes's.

Flat Pattern Bend Calculator ships an update every 2 months, Pipeq Pipe Sizes daily. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flat Pattern Bend Calculator | Pipeq Pipe Sizes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/pipeq-pipe-sizes/id1553615184/reviews) |
| Number of ratings | **151** | 1 |
| Positive reviews | **46.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 61 MB | 59 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Tymon Versmoren](https://appshunter.io/developer/1534364179) |

## 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 |


### Pipeq Pipe Sizes

[App page](https://appshunter.io/ios/app/pipeq-pipe-sizes/id1553615184)

Easily view and convert various pipe sizes between Metric and Inch units. Supports conversion between Kgm and Lbs/Ft with simple finger swipes and button presses.

**Highlights:** View pipe sizes, Convert Inch to Metric, Convert Metric to Inch, Convert Kgm to Lbs/Ft, Convert Lbs/Ft to Kgm, Easy to use interface

**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 Pipeq Pipe Sizes free?

Pipeq Pipe Sizes is free to download, with no in-app purchases.

### Which has better reviews, Flat Pattern Bend Calculator or Pipeq Pipe Sizes?

Flat Pattern Bend Calculator is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Pipeq Pipe Sizes averages 3.0 from 1 ratings.

### Do Flat Pattern Bend Calculator or Pipeq Pipe Sizes have ads?

Flat Pattern Bend Calculator shows ads; Pipeq Pipe Sizes does not.

### Which is updated more often, Flat Pattern Bend Calculator or Pipeq Pipe Sizes?

Flat Pattern Bend Calculator ships an update every 2 months, and Pipeq Pipe Sizes daily. Most recently, Flat Pattern Bend Calculator was updated on October 15, 2026 and Pipeq Pipe Sizes on October 7, 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.*