# Flat Pattern vs K

The clearest difference is update cadence: Flat Pattern at daily against K's every 43 months. Flat Pattern also leads on iOS requirement (10.0 vs 15.0). K's advantage is price ($2.99 vs $7.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Flat Pattern costs $7.99 and K $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flat Pattern ships an update daily, K every 43 months. The most recent releases landed on August 27, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Flat Pattern | K |
| --- | --- | --- |
| Price | $7.99 | **$2.99** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/flat-pattern/id1490125173/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 43 months |
| Monetization | Paid | Paid |
| Size | 64 MB | 2 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) |

## What reviewers say

### Flat Pattern

[App page](https://appshunter.io/ios/app/flat-pattern/id1490125173)

This tool helps fabrication professionals create precise flat patterns for various shapes, minimizing fabrication time and increasing accuracy. It supports a wide range of complex geometries for industries like pressure vessels, piping, and heavy equipment.

**Highlights:** Fabrication layout for pipes and cones, Supports various pipe intersections, Calculates transitions between shapes, Generates patterns for pyramids and spheres, Includes dish end and screw flight layouts, Minimizes fabrication time and increases accuracy

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

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-factor-for-bend-allowance/id1608326238)

This utility app calculates bend allowances and deductions for sheet metal fabrication. It helps engineers and fabricators determine precise K-Factor values, improving accuracy and reducing material waste in bending processes.

**Highlights:** K-Factor calculation, Bend allowance and deduction, Material and thickness support, Instant results, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flat Pattern free?

Flat Pattern costs $7.99, with no in-app purchases.

### Is K free?

K costs $2.99, with no in-app purchases.

### Do Flat Pattern or K have ads?

Neither Flat Pattern nor K shows ads.

### Which is updated more often, Flat Pattern or K?

Flat Pattern ships an update daily, and K every 43 months. Most recently, Flat Pattern was updated on August 27, 2026 and K on June 26, 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.*