Comparison

Kmap vs Digital Electronics Guide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Digital Electronics Guide

This app serves as a comprehensive reference for digital electronics, covering essential theory and practical guides. It's designed for students, engineers, and hobbyists to learn and prototype digital circuits with ease. Features include detailed information on logic gates, IC families, and various digital components.

Highlights
  • Logic gate tutorials
  • IC reference data (TTL 7400, CMOS 4000)
  • Digital circuit design and prototyping
  • Covers counters, flip-flops, and more
  • Available in 14 languages
  • Detailed tutorials and references
Features
Read full description

Digital Electronics Guide is a powerful reference tool for electronics students, engineers, and hobbyists. Whether you're just starting out or already experienced, this app helps you design, learn, and prototype with ease. It combines essential theory with practical guides and covers key digital electronics topics, including logic gates, counters, flip-flops, and IC reference data. The app also features detailed information on popular digital IC families such as TTL 7400 and CMOS 4000 series. Perfect for quick learning or as a companion for working on electronic circuits and digital systems. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The app includes detailed tutorials and references for: • Basic logic • Families of digital chips • Universal logic elements • Elements with Schmitt trigger • Buffer elements • Flip-flops • Registers • Counters • Adders • Multiplexers • Decoders and demultiplexers • 7-segment LED drivers • Encryptors • Digital comparators • Astable CMOS Oscillators • Monostable CMOS Oscillators • Bistable CMOS Oscillators • Gated CMOS Oscillators • TTL Oscillators • 7400 series ICs • 4000 series ICs Whether you're learning, teaching, or building real-world digital circuits, Digital Electronics Pro is your trusted companion every step of the way.

Screenshots

Kmap3 screens
Digital Electronics Guide4 screens

Verdict

The call

The clearest difference is ads: Kmap at none against Digital Electronics Guide's shown. Kmap also leads on monetization model (free vs ad-supported). Digital Electronics Guide's advantage is update cadence (every 5 weeks vs every 128 months). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Kmap against 5.0 for Digital Electronics Guide. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Kmap ships an update every 128 months, Digital Electronics Guide every 5 weeks. The most recent releases landed on September 17, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Kmap versus Digital Electronics Guide: the parameters behind the verdict, then further details
ParameterKmapDigital Electronics Guide
PriceFreeFree
Rating5.0 (5 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better2
Update frequencyEvery 128 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size30 MB24 MB
Age rating4+4+
DeveloperRichard MichalkaALG Software Lab

Customer experience

Kmap

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Digital Electronics Guide

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Kmap

No in-app purchases

None

Digital Electronics Guide

No in-app purchases

Questions

Is Kmap free?
Kmap is free to download, with no in-app purchases.
Is Digital Electronics Guide free?
Digital Electronics Guide is free to download, with no in-app purchases.
Which has better reviews, Kmap or Digital Electronics Guide?
Kmap and Digital Electronics Guide are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.
Do Kmap or Digital Electronics Guide have ads?
Digital Electronics Guide shows ads; Kmap does not.
Which is updated more often, Kmap or Digital Electronics Guide?
Kmap ships an update every 128 months, and Digital Electronics Guide every 5 weeks. Most recently, Kmap was updated on September 17, 2026 and Digital Electronics Guide on October 1, 2026.

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