# FK Irons vs Kwadron

The clearest difference is ratings volume: FK Irons at 220 against Kwadron's 9. Kwadron's advantage is device support (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for FK Irons against 5.0 for Kwadron. That said, the two scores are not equally well evidenced: FK Irons has 220 ratings behind it against 9, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

FK Irons ships an update every 3 weeks, Kwadron every 5 weeks. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | FK Irons | Kwadron |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (220 ratings)](https://appshunter.io/ios/app/fk-irons/id1643182326/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/kwadron/id6737981339/reviews)** |
| Number of ratings | **220** | 9 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 56 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Artifex Distribution Holding Corporation](https://appshunter.io/developer/1624732894) | [Kwadron](https://appshunter.io/developer/1778672272) |

## What reviewers say

### FK Irons

[App page](https://appshunter.io/ios/app/fk-irons/id1643182326)

Discover exclusive discounts and get early access to new product launches. Browse the latest arrivals and shop with a fast, secure checkout process. Stay informed with first-to-know notifications.

**Highlights:** Exclusive discounts, Early access to launches, New arrival browsing, First-to-know notifications, Secure and fast checkout

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

**In-app purchases:** none


### Kwadron

[App page](https://appshunter.io/ios/app/kwadron/id6737981339)

This app serves as a comprehensive tool for tattoo artists and studios, offering a marketplace for supplies, client management, and studio organization. It simplifies booking, client communication, and inventory management, allowing artists to focus on their craft.

**Highlights:** Shop tattoo supplies with discounts, Client and booking management, Studio essentials reordering, Track client session details, E-commerce for tattoo products

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

**In-app purchases:** none


## Frequently asked questions

### Is FK Irons free?

FK Irons is free to download, with no in-app purchases.

### Is Kwadron free?

Kwadron is free to download, with no in-app purchases.

### Which has better reviews, FK Irons or Kwadron?

Kwadron is rated higher. FK Irons averages 4.9 out of 5 from 220 ratings, while Kwadron averages 5.0 from 9 ratings.

### Do FK Irons or Kwadron have ads?

Neither FK Irons nor Kwadron shows ads.

### Which is updated more often, FK Irons or Kwadron?

FK Irons ships an update every 3 weeks, and Kwadron every 5 weeks. Most recently, FK Irons was updated on October 22, 2026 and Kwadron on October 23, 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.*