# Kmap vs GeoGebra 3D Calculator

The clearest difference is rating: Kmap at 5.0 against GeoGebra 3D Calculator's 4.0. Kmap also leads on review sentiment (100% vs 66%). GeoGebra 3D Calculator's advantage is update cadence (monthly vs every 128 months) and ratings volume (52 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Kmap holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: GeoGebra 3D Calculator has 52 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Kmap's written reviews are positive against 66% of GeoGebra 3D Calculator's.

Kmap ships an update every 128 months, GeoGebra 3D Calculator monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kmap | GeoGebra 3D Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/kmap/id1033942468/reviews)** | [4.0 (52 ratings)](https://appshunter.io/ios/app/geogebra-3d-calculator/id1445871976/reviews) |
| Number of ratings | 5 | **52** |
| Positive reviews | **100.0% of reviews** | 65.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 128 months | **Monthly** |
| Monetization | Free | Free |
| Size | 30 MB | 105 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Michalka](https://appshunter.io/developer/1033942467) | [GeoGebra GmbH](https://appshunter.io/developer/1580697096) |

## 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


### GeoGebra 3D Calculator

[App page](https://appshunter.io/ios/app/geogebra-3d-calculator/id1445871976)

This application allows users to solve 3D math problems, graph functions and surfaces, and create geometric constructions in 3D. It features augmented reality to place math objects in the real world and offers access to free learning activities.

**Highlights:** 3D function and surface plotting, Create 3D geometric objects, Augmented Reality integration, Interactive sliders and graphs, Access to learning activities, Save and share constructions

**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 GeoGebra 3D Calculator free?

GeoGebra 3D Calculator is free to download, with no in-app purchases.

### Which has better reviews, Kmap or GeoGebra 3D Calculator?

Kmap is rated higher. Kmap averages 5.0 out of 5 from 5 ratings, while GeoGebra 3D Calculator averages 4.0 from 52 ratings.

### Do Kmap or GeoGebra 3D Calculator have ads?

Neither Kmap nor GeoGebra 3D Calculator shows ads.

### Which is updated more often, Kmap or GeoGebra 3D Calculator?

Kmap ships an update every 128 months, and GeoGebra 3D Calculator monthly. Most recently, Kmap was updated on October 24, 2026 and GeoGebra 3D Calculator on October 24, 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.*