# Kmap vs Converter Binary Calculator

The clearest difference is in-app purchases: Kmap at none against Converter Binary Calculator's 1. Kmap also leads on ads (none vs shown). Converter Binary Calculator's advantage is update cadence (every 2 months vs every 128 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Converter Binary Calculator sells 1 one-off in-app purchase. Kmap asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Kmap against 5.0 for Converter Binary Calculator. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Kmap ships an update every 128 months, Converter Binary Calculator every 2 months. The most recent releases landed on June 1, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Kmap | Converter Binary Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/kmap/id1033942468/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/converter-binary-calculator/id6504189782/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 128 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 5 MB |
| Requires iOS | **15.1** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Michalka](https://appshunter.io/developer/1033942467) | [Cristina Munoz Castillo](https://appshunter.io/developer/1600497964) |

## 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


### Converter Binary Calculator

[App page](https://appshunter.io/ios/app/converter-binary-calculator/id6504189782)

Perform mathematical operations like addition, subtraction, division, and multiplication across binary, hexadecimal, octal, and decimal number systems. Supports both integer and fractional numbers with step-by-step solutions.

**Highlights:** Binary, hexadecimal, octal, and decimal calculations, Integer and fractional number support, Step-by-step solution explanations, Conversions between number bases, Addition, subtraction, multiplication, division

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads binary converter | $1.99 | one-time |


## Frequently asked questions

### Is Kmap free?

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

### Is Converter Binary Calculator free?

Converter Binary Calculator is free to download, with in-app purchases available.

### Which has better reviews, Kmap or Converter Binary Calculator?

Kmap and Converter Binary Calculator are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Kmap or Converter Binary Calculator have ads?

Converter Binary Calculator shows ads; Kmap does not.

### Which is updated more often, Kmap or Converter Binary Calculator?

Kmap ships an update every 128 months, and Converter Binary Calculator every 2 months. Most recently, Kmap was updated on June 1, 2026 and Converter Binary Calculator on August 20, 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.*