# Flat Pattern Bend Calculator vs ElbowData

The clearest difference is rating: Flat Pattern Bend Calculator at 4.6 against ElbowData's 3.0. Flat Pattern Bend Calculator also leads on ratings volume (151 vs 2). ElbowData's advantage is review sentiment (75% vs 45%) and monetization model (ad-supported vs free with in-app purchases). On price, update cadence, ads and in-app purchases 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 and ElbowData sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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 2, so its average is the more settled of the two. Written reviews complicate that: 45% of Flat Pattern Bend Calculator's written reviews are positive against 75% of ElbowData's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Flat Pattern Bend Calculator | ElbowData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/elbowdata/id1460558732/reviews) |
| Number of ratings | **151** | 2 |
| Positive reviews | 45.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 61 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [ELM-web](https://appshunter.io/developer/1460558731) |

## 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 |
| --- | --- | --- |
| 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 |


### ElbowData

[App page](https://appshunter.io/ios/app/elbowdata/id1460558732)

This utility app helps industrial piping professionals quickly visualize pipe and elbow dimensions based on ISO/ASME standards. It offers instant calculations for diameter, angle, and radius, with support for various elbow formats and segmented elbows.

**Highlights:** Pipe and elbow dimension visualization, ISO/ASME standard compliance, Diameter, angle, radius calculation, 2D/3D/5D elbow formats, Segmented elbow generation, PDF abacuses and isometric sheets, Inch/millimeter conversion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium version | $1.99 | one-time |


## Frequently asked questions

### Is Flat Pattern Bend Calculator free?

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

### Is ElbowData free?

ElbowData is free to download, with in-app purchases available.

### Which has better reviews, Flat Pattern Bend Calculator or ElbowData?

Flat Pattern Bend Calculator is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while ElbowData averages 3.0 from 2 ratings.

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

Both Flat Pattern Bend Calculator and ElbowData show ads.

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

Flat Pattern Bend Calculator ships an update every 2 months, and ElbowData every 2 months. Most recently, Flat Pattern Bend Calculator was updated on September 24, 2026 and ElbowData on September 22, 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.*