Comparison

Kmap vs LogicGate

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

LogicGate

Design, simulate, and analyze digital logic circuits with a comprehensive suite of tools. Explore sequential circuits, view signal waveforms, and generate truth tables. Save and organize your projects for offline access.

Highlights
  • Drag and drop logic gates
  • Add Flip-Flops for sequential design
  • Intuitive wire drawing
  • Real-time simulation
  • Auto-generated Truth Tables
  • Waveform Viewer
  • Boolean Equation view
  • Offline functionality
Features
Read full description

LogicDesign is the most powerful digital logic circuit simulator built for iPhone and iPad. Whether you're a student studying computer architecture, an engineer prototyping circuits, or a curious mind exploring digital logic — LogicDesign puts a full lab in your pocket. DESIGN YOUR CIRCUITS • Drag and drop logic gates: AND, NAND, OR, NOR, XOR, XNOR, NOT, Buffer • Add Flip-Flops: JK, D & T for sequential circuit design • Draw wires intuitively between any inputs and outputs • Simulate in real time with live signal propagation ANALYZE IN DEPTH • Auto-generated Truth Tables for any circuit • Waveform Viewer — watch signal timelines like an oscilloscope • Boolean Equation view — instantly see the simplified logical expression LEARN FROM EXAMPLES • Built-in library with Half Adder, Full Adder, SR Latch, 2-bit Counter, and more MANAGE YOUR PROJECTS • Save, load, and organize unlimited circuits • Export professional PDF circuit reports to share or print • Fully offline — your data never leaves your device PRO SUBSCRIPTION REQUIRED Full access to all features requires a LogicDesign Pro subscription. Choose from a weekly, yearly, or lifetime plan. A free trial may be available. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current billing period. Manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://github.com/MAAlsaleh0/LogicGatesAPP_Legal/blob/main/PRIVACY_POLICY.md Terms of Use: https://github.com/MAAlsaleh0/LogicGatesAPP_Legal/blob/main/TERMS_OF_USE.md

Screenshots

Kmap3 screens
LogicGate4 screens

Verdict

The call

The clearest difference is review sentiment: Kmap at 100% against LogicGate's 0%. Kmap also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). LogicGate's advantage is update cadence (fortnightly vs every 128 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LogicGate sells 2 in-app purchases, starting at $4.99 per 7 days. Kmap asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kmap holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 100% of Kmap's written reviews are positive against 0% of LogicGate's.

UpkeepUpdate frequency

Kmap ships an update every 128 months, LogicGate fortnightly. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Kmap versus LogicGate: the parameters behind the verdict, then further details
ParameterKmapLogicGate
PriceFreeFree
Rating5.0 (5 ratings) — better3.0 (4 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 128 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size30 MB14 MB
Age rating4++9
DeveloperRichard MichalkaMohammed Alsaleh

Customer experience

Kmap

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

LogicGate

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Kmap

No in-app purchases

2 purchases

LogicGate

Subscriptions1
  • Weekly3 Days trial$4.997 Days
One-time1
  • Lifetime$19.99

Questions

Is Kmap free?
Kmap is free to download, with no in-app purchases.
Is LogicGate free?
LogicGate is free to download, with in-app purchases available.
Which has better reviews, Kmap or LogicGate?
Kmap is rated higher. Kmap averages 5.0 out of 5 from 5 ratings, while LogicGate averages 3.0 from 4 ratings.
Do Kmap or LogicGate have ads?
Neither Kmap nor LogicGate shows ads.
Which is updated more often, Kmap or LogicGate?
Kmap ships an update every 128 months, and LogicGate fortnightly. Most recently, Kmap was updated on September 17, 2026 and LogicGate on September 24, 2026.

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