# Kmap Solver vs Fx Minimizer

The clearest difference is price: Fx Minimizer at Free against Kmap Solver's $3.99. Fx Minimizer also leads on iOS requirement (9.0 vs 13.2). Kmap Solver's advantage is rating (3.4 vs 1.0) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Fx Minimizer is free to download; Kmap Solver costs $3.99 up front. Fx Minimizer sells 1 one-off in-app purchase. Kmap Solver asks for nothing beyond the download.

Kmap Solver holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Kmap Solver has 8 ratings behind it against 1, so its average is the more settled of the two.

Kmap Solver ships an update every 9 months, Fx Minimizer every 20 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Kmap Solver | Fx Minimizer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.4 (8 ratings)](https://appshunter.io/ios/app/kmap-solver/id1504593834/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/fx-minimizer/id1543053758/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 20 months |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 2 MB |
| Requires iOS | 13.2 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adriano Moutinho](https://appshunter.io/developer/1502320573) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## What reviewers say

### Kmap Solver

[App page](https://appshunter.io/ios/app/kmap-solver/id1504593834)

This app solves Karnaugh Maps (Kmaps) for up to five variables, providing all possible solutions and displaying them on the map. It also generates four optimized output logic circuit versions, including traditional, common inverters, and NAND/NOR only circuits.

**Highlights:** Solves Kmaps for 2, 3, 4, or 5 variables, Displays all possible Kmap solutions, Shows four optimized logic circuit versions, Traditional circuit output, Common inverters circuit output, NAND/NOR only circuit output

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

**In-app purchases:** none


### Fx Minimizer

[App page](https://appshunter.io/ios/app/fx-minimizer/id1543053758)

This app simplifies complex logic expressions using the Quine-McCluskey method. It supports minimization via minterms or truth tables, including don't care terms, for up to four inputs and two outputs. Results can be exported to a text file.

**Highlights:** Quine-McCluskey method, Minterm minimization, Truth table minimization, Support for don't care terms, Export results to text file, Multi-language support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to the PRO version | $1.99 | one-time |


## Frequently asked questions

### Is Kmap Solver free?

Kmap Solver costs $3.99, with no in-app purchases.

### Is Fx Minimizer free?

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

### Which has better reviews, Kmap Solver or Fx Minimizer?

Kmap Solver is rated higher. Kmap Solver averages 3.4 out of 5 from 8 ratings, while Fx Minimizer averages 1.0 from 1 ratings.

### Do Kmap Solver or Fx Minimizer have ads?

Neither Kmap Solver nor Fx Minimizer shows ads.

### Which is updated more often, Kmap Solver or Fx Minimizer?

Kmap Solver ships an update every 9 months, and Fx Minimizer every 20 months. Most recently, Kmap Solver was updated on October 4, 2026 and Fx Minimizer on October 5, 2026.

---

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