# Flat Pattern Bend Calculator vs Arc+

The clearest difference is ads: Arc+ at none against Flat Pattern Bend Calculator's shown. Arc+ also leads on monetization model (free vs free with in-app purchases). Flat Pattern Bend Calculator's advantage is update cadence (every 2 months vs every 4 months). On price, rating, review sentiment and ratings volume 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 Arc+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Flat Pattern Bend Calculator against 4.6 for Arc+. Both are backed by a comparable volume of ratings — 151 and 113 respectively. Written reviews are what separate them: 45% of Flat Pattern Bend Calculator's written reviews are positive against 50% of Arc+'s.

Flat Pattern Bend Calculator ships an update every 2 months, Arc+ every 4 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Flat Pattern Bend Calculator | Arc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (151 ratings)](https://appshunter.io/ios/app/flat-pattern-bend-calculator/id1361485922/reviews) | **[4.6 (113 ratings)](https://appshunter.io/ios/app/arc-plus/id1464058503/reviews)** |
| Number of ratings | **151** | 113 |
| Positive reviews | 45.2% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 61 MB | 4 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Mohamed Saad](https://appshunter.io/developer/1291109619) |

## 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 |


### Arc+

[App page](https://appshunter.io/ios/app/arc-plus/id1464058503)

This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.

**Highlights:** Calculate Radius, Length, Width, Height, Tangent, Input two known values to find others, Measurement units converter, Save results to favorites, Share calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Blocker | $4.99 | 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 Arc+ free?

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

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

Arc+ is rated higher. Flat Pattern Bend Calculator averages 4.6 out of 5 from 151 ratings, while Arc+ averages 4.6 from 113 ratings.

### Do Flat Pattern Bend Calculator or Arc+ have ads?

Flat Pattern Bend Calculator shows ads; Arc+ does not.

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

Flat Pattern Bend Calculator ships an update every 2 months, and Arc+ every 4 months. Most recently, Flat Pattern Bend Calculator was updated on September 24, 2026 and Arc+ on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*