Comparison

Karnaugh Map Advanced vs VHDL Compiler

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

Head to head
About

Karnaugh Map Advanced

Simplify complex Boolean algebra expressions using a Karnaugh map. Input logic functions via text, map, or truth table to find minimized solutions. Supports up to 8 variables and includes a history feature.

Highlights
  • Minimize logic functions
  • Input via text, map, or truth table
  • Supports up to 8 variables
  • History option
  • Handles Don't care conditions
  • Visualizes minimized components
Features
Read full description

The Karnaugh map is a method to simplify Boolean algebra expressions. In a Karnaugh map the boolean variables are transferred (generally from a truth table) and ordered according to the principles of Gray code in which only one variable changes in between adjacent squares. Once the table is generated and the output possibilities are transcribed, the data is arranged into the largest possible groups containing 2n cells (n=0,1,2,3...) and the minterm is generated through the axiom laws of boolean algebra. We have designed this application primarily to support students studying electronic engineering, although it is useful in other disciplines including computer science and mathematics. Features: - Minimize logic function entered as text, Karnaugh map or truth table - Up to 8 variables - Contains History option - Supports the Don't care condition - Shows representation of each minimized component in the Karnaugh Map

About

VHDL Compiler

Write and test VHDL code on your mobile device. This application is designed for learning and executing VHDL snippets using the GHDL simulator. It offers a code editor with syntax highlighting and a custom keyboard for efficient input.

Highlights
  • Compile and run VHDL programs
  • View program output and errors
  • Custom keyboard for VHDL characters
  • Advanced source code editor
  • Syntax highlighting and line numbers
  • Import, open, save, and share files
Features
Read full description

Write VHDL code directly on your iPhone, iPad and iPod Touch! This app is ideal for learning and testing code snippets! VHDL (VHSIC Hardware Description Language) is a hardware description language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits. VHDL can also be used as a general purpose parallel programming language. This app uses the open-source GHDL simulator (http://ghdl.free.fr). GHDL is a VHDL compiler that can execute (nearly) any VHDL program. GHDL is not a synthesis tool: you cannot create a netlist with GHDL (yet). Features: - Compile and run your program - View program output or detailed error - Custom keyboard for easy input of frequently used characters - Optimized for connecting with external physical/bluetooth keyboard - Advanced source code editor with syntax highlighting and line numbers - Open, save, import and share VHDL files. Limitations: - Internet connection is required for compilation - Maximum program running time is 20s - One file can be run at a time - All entities should be have the same name as their files.

Screenshots

Karnaugh Map Advanced3 screens
VHDL Compiler4 screens

Verdict

The call

The clearest difference is rating: Karnaugh Map Advanced at 4.8 against VHDL Compiler's 2.7. Karnaugh Map Advanced also leads on in-app purchases (none vs 1) and ads (none vs shown). VHDL Compiler's advantage is review sentiment (100% vs 69%) and update cadence (every 2 months vs every 9 months). On price, ratings volume 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. VHDL Compiler sells 1 one-off in-app purchase. Karnaugh Map Advanced asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Karnaugh Map Advanced holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews complicate that: 69% of Karnaugh Map Advanced's written reviews are positive against 100% of VHDL Compiler's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Karnaugh Map Advanced ships an update every 9 months, VHDL Compiler every 2 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

Scorecard7 real differences · 3 level
Karnaugh Map Advanced versus VHDL Compiler: the parameters behind the verdict, then further details
ParameterKarnaugh Map AdvancedVHDL Compiler
PriceFreeFree
Rating4.8 (4 ratings) — better2.7 (7 ratings)
Positive reviews69.2% of reviews100.0% of reviews — better
Number of ratings47 — better
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.012.0 — better
Further details — not scored
Size1 MB20 MB
Age rating4+4+
DeveloperIvan CigicKetan Appa

Customer experience

Karnaugh Map Advanced

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive69.2%
Neutral15.4%
Negative15.4%

VHDL Compiler

All ratings7 ratings
Positive42.9%
Neutral0.0%
Negative57.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Karnaugh Map Advanced

No in-app purchases

1 purchases

VHDL Compiler

One-time1
  • Upgrade$2.99

Questions

Is Karnaugh Map Advanced free?
Karnaugh Map Advanced is free to download, with no in-app purchases.
Is VHDL Compiler free?
VHDL Compiler is free to download, with in-app purchases available.
Which has better reviews, Karnaugh Map Advanced or VHDL Compiler?
Karnaugh Map Advanced is rated higher. Karnaugh Map Advanced averages 4.8 out of 5 from 4 ratings, while VHDL Compiler averages 2.7 from 7 ratings.
Do Karnaugh Map Advanced or VHDL Compiler have ads?
VHDL Compiler shows ads; Karnaugh Map Advanced does not.
Which is updated more often, Karnaugh Map Advanced or VHDL Compiler?
Karnaugh Map Advanced ships an update every 9 months, and VHDL Compiler every 2 months. Most recently, Karnaugh Map Advanced was updated on October 17, 2026 and VHDL Compiler on October 11, 2026.

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