# Kmap vs Kmap Solver

The clearest difference is price: Kmap at Free against Kmap Solver's $3.99. Kmap also leads on rating (5.0 vs 3.4) and review sentiment (100% vs 67%). Kmap Solver's advantage is update cadence (every 9 months vs every 128 months) and iOS requirement (13.2 vs 15.1). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Kmap is free to download; Kmap Solver costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kmap holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 100% of Kmap's written reviews are positive against 67% of Kmap Solver's.

Kmap ships an update every 128 months, Kmap Solver every 9 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Kmap | Kmap Solver |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/kmap/id1033942468/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/kmap-solver/id1504593834/reviews) |
| Number of ratings | 5 | **8** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 128 months | **Every 9 months** |
| Monetization | **Free** | Paid |
| Size | 30 MB | 7 MB |
| Requires iOS | 15.1 | **13.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Michalka](https://appshunter.io/developer/1033942467) | [Adriano Moutinho](https://appshunter.io/developer/1502320573) |

## What reviewers say

### Kmap

[App page](https://appshunter.io/ios/app/kmap/id1033942468)

Simplify Boolean expressions and create Karnaugh maps for up to six variables. Offers both Sum of Products and Product of Sums, with support for 'don't-care' conditions and step-by-step solution viewing. Ideal for students and engineers in digital logic and computer engineering.

**Highlights:** Karnaugh map creation (2-6 variables), Automatic Boolean minimization, Sum of Products (SOP) and Product of Sums (POS), Don't-care (X) support, Truth table input, Color-coded grouping overlays, Step-by-step solution view

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kmap free?

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

### Is Kmap Solver free?

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

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

Kmap is rated higher. Kmap averages 5.0 out of 5 from 5 ratings, while Kmap Solver averages 3.4 from 8 ratings.

### Do Kmap or Kmap Solver have ads?

Neither Kmap nor Kmap Solver shows ads.

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

Kmap ships an update every 128 months, and Kmap Solver every 9 months. Most recently, Kmap was updated on October 4, 2026 and Kmap Solver on October 4, 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.*