# Flat Pattern & Bend Calculator vs Elbow Calculator

The clearest difference is rating: Elbow Calculator at 5.0 against Flat Pattern & Bend Calculator's 4.3. Elbow Calculator also leads on iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Flat Pattern & Bend Calculator sells 2 in-app purchases, starting at $4.99 per month and Elbow Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Elbow Calculator holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Flat Pattern & Bend Calculator ships an update every 4 months, Elbow Calculator every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flat Pattern & Bend Calculator | Elbow Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/flat-pattern-and-bend-calculator/id6747935750/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/elbow-calculator/id6753001992/reviews)** |
| Number of ratings | **4** | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 57 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AdityaKumar Patel](https://appshunter.io/developer/1769783453) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### Flat Pattern & Bend Calculator

[App page](https://appshunter.io/ios/app/flat-pattern-and-bend-calculator/id6747935750)

Calculate precise flat pattern dimensions for various fabricated metal components, from simple bends to complex shapes like elbows, lobsterbacks, and cones. This tool assists fabricators, welders, and engineers in generating accurate layouts for piping, ducting, and pressure vessels.

**Highlights:** Flat pattern calculations for bends, elbows, tees, cones, Supports complex shapes: truncated cones, pyramids, screw flights, Transition layouts: round-to-square, square-to-round, Fast, reliable, and accurate results, Unique and copyright-safe solutions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $4.99 | per month |
| Premium Yearly Access | $29.99 | per year |


### Elbow Calculator

[App page](https://appshunter.io/ios/app/elbow-calculator/id6753001992)

This engineering tool provides specialized calculators for pipe fitters, fabricators, and engineers. It quickly computes elbow dimensions, cut lengths, offsets, weight, and development layouts, saving time and improving precision for piping, duct fabrication, and workshop projects.

**Highlights:** Pipe elbow length calculation, Elbow weight estimation, Mitered elbow segment calculation, Pipe offset calculation, Sheet metal duct elbow development, Metric and inch unit support, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $5.99 | 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 Elbow Calculator free?

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

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

Elbow Calculator is rated higher. Flat Pattern & Bend Calculator averages 4.3 out of 5 from 4 ratings, while Elbow Calculator averages 5.0 from 2 ratings.

### Do Flat Pattern & Bend Calculator or Elbow Calculator have ads?

Neither Flat Pattern & Bend Calculator nor Elbow Calculator shows ads.

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

Flat Pattern & Bend Calculator ships an update every 4 months, and Elbow Calculator every 5 months. Most recently, Flat Pattern & Bend Calculator was updated on October 24, 2026 and Elbow Calculator on October 25, 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.*