Kmap vs Fx Minimizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kmap
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.
- 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
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Kmap helps students and engineers simplify Boolean expressions quickly and clearly. Create and solve 2 to 6 variable Karnaugh maps with automatic minimization and a clean, fast interface. Features: Sum of Products (SOP) and Product of Sums (POS) Don't-care (X) support Direct K-map input Truth table input Color-coded grouping overlays Step-by-step solution view Light and dark appearance Ideal for digital logic, computer engineering, and Boolean algebra coursework.
Fx Minimizer
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.
- Quine-McCluskey method
- Minterm minimization
- Truth table minimization
- Support for don't care terms
- Export results to text file
- Multi-language support
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Logic expression minimization becomes quite cumbersome with more than four variables. Quine-McCluskey method is the solution. The app use Quine-McCluskey method to minimize multiple variables logic expression Features * Logic expression minimization using minterms * Logic expression minimization using truth table * Support don't care terms * Support up to 4 inputs and 2 outputs * Export result to text file * Support English, German, French, Italian, Spanish, Portuguese, Traditional Chinese, Simplified Chinese and Japanese Features in PRO only * Support up to 8 inputs and 8 outputs * Import truth table from CSV files All trade names mentioned in this app or the other documentation provided by this app are trademarks or registered trademarks of their respective holder. This app is not related or affiliated in any way these companies.
Screenshots
Verdict
The clearest difference is rating: Kmap at 5.0 against Fx Minimizer's 1.0. Kmap also leads on in-app purchases (none vs 1) and ratings volume (5 vs 1). Fx Minimizer's advantage is update cadence (every 20 months vs every 128 months) and iOS requirement (9.0 vs 15.1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Fx Minimizer sells 1 one-off in-app purchase. Kmap asks for nothing beyond the download.
Kmap holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Kmap has 5 ratings behind it against 1, so its average is the more settled of the two.
Kmap ships an update every 128 months, Fx Minimizer every 20 months. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.
| Parameter | Kmap | Fx Minimizer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 128 months | Every 20 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Michalka | Siu Yuen Ho |
Customer experience
Kmap
Fx Minimizer
In-app purchases
Kmap
No in-app purchases
Fx Minimizer
- Upgrade to the PRO version$1.99
