Karnaugh & Boolean Minimizer vs Uncertainty Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Karnaugh & Boolean Minimizer
Simplify complex Boolean expressions and Karnaugh maps with step-by-step solutions. This tool supports up to 26 variables and offers multiple minimization algorithms for digital logic design.
- Minimize Karnaugh Maps up to 8 variables
- Step-by-step Boolean expression simplification
- Quine–McCluskey algorithm for functions up to 8 variables
- Multi-Output minimization with Espresso algorithm
- View minimized solutions in SOP/POS forms
- Generate circuits from minimized solutions
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Karnaugh & Boolean Minimizer is an innovative and versatile application for simplifying Karnaugh Maps and Boolean expressions. It is geared for those involved in engineering fields, more precisely electrical engineering students, academics, digital devices constructors or anybody involved with Boolean expressions. With its powerful minimization capabilities and full-fledged features, this tool gives you the flexibility to work with all forms of Boolean expressions and provides quality solutions. Features: - Minimize Karnaugh Maps up to 8 variables - Step-by-step simplification of Boolean expressions up to 26 (A-Z) variables using Boolean algebra laws and theorems - Step-by-step simplification of Boolean functions up to 8 variables by the Quine–McCluskey algorithm, showing the prime implicant chart and using Petrick's method where appropriate - Multi-Output minimization up to 8 inputs and 8 outputs, using the de-facto industry standard Espresso algorithm - View minimized solutions on Karnaugh Map in Sum-of-Product (SOP/CNF) and Product-of-Sum (POS/DNF) forms - Support Don't Cares - Fill Karnaugh map using truth table, sets of terms and Boolean expressions - View all possible solutions for Karnaugh Maps up to 5 variables - Guaranteed minimal solution when using the Karnaugh Map, Quine–McCluskey and Algebraic Minimizer - Highlight minimized term on Karnaugh map - Optimization of minimized solutions with XOR gates - Generate circuit from minimized solution with AND/OR/NAND/NOR logic gates - Generate random Karnaugh Maps, truth tables and Boolean expressions - Custom keyboard for easy input of Boolean expressions - Support all Boolean operators and constants - Fully customizable Karnaugh Map orientation, variable names, operator symbols and expression format - Import/Export Karnaugh Maps and truth tables as CSV files - Beautiful Dark Mode
Uncertainty Calculator
This app allows users to perform error propagation calculations for mathematical expressions involving uncertain variables. It supports absolute and relative error inputs, various functions, and trigonometric calculations in degrees or radians. The tool helps ensure accurate reporting of results based on estimated errors.
- Error propagation calculations
- Absolute and relative error input
- Support for mathematical functions
- Trigonometric calculations (degrees/radians)
- Variable combination in expressions
- Significant figure guidance
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Uncertainty Calculator evaluates the error propagation throughout the mathematical expressions comprised of variables of uncertain value. The application allows input of up to three value-error pairs (A, B and C), that can be used as a parameters in the final expression. Error values should be provided in absolute (100 +/- 5) or in relative format, the latter should appear in percent format (100 +/- 5%). The evaluated expression can include numerous functions, that provided by row of the appropriate buttons. Components and functions can be added directly to the expression field by pressing the corresponding buttons. To encompass expression into the preset formula, select the expression and press the corresponding formula button. Particular attention should be paid to placing brackets to avoid equation ambiguity. The application deals with independent, random errors. So if this is a case never use A + A, but rather 2*A and never A*A*A but rather A^3! Obviously, different parameters can be combined in any way (A+B or C *A^2 .. is perfectly fine). Angles for trigonometric functions can be provided in degrees or radians, and that should be reflected by setting a yellow button to "DEG" or "RAD". Bear in mind the importance of units in any of calculations! Implementation Examples: 1.The charge passing through an electrical circuit is defined by: Q = I * t, where I is the current and t is the time. Calculate the total charge value when a current of 0.15 ± 0.01 A passes through the circuit for 120 ± 1 s: Input: A = 0.15 ± 0.01, B = 120 ± 1 The final expression will be A*B, and press Calculate: The final value will be: 18 ± 1.2 Thus, it can be reported the total charge as 18 C ± 1 C. Important! One should only report as many significant figures as are consistent with estimated error! So the value should be rounded to the rightmost decimal place at which error applies. 2. A ball is tossed straight up into the air with initial speed vo = (4.0± 0.2) m/s. After a time t = (0.60 ± 10%) s, the height of the ball is h = vo*t - 0.5gt^2 = 0.636 m (g = 9.80 m/s^2). What is the value and uncertainty of height? Input: A = vo = 4.0 ± 0.2, and B = t = 0.60 ± 10%, then the final expression should be: A*B – 0.5*9.8*B^2 The final value will be: 0.6 ± 0.4 (meters).
Screenshots
Verdict
The clearest difference is rating: Uncertainty Calculator at 5.0 against Karnaugh & Boolean Minimizer's 4.2. Karnaugh & Boolean Minimizer's advantage is update cadence (monthly vs every 3 months) and ratings volume (22 vs 1). On price, ads, in-app purchases and monetization model 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
Karnaugh & Boolean Minimizer costs $3.99 and Uncertainty Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Uncertainty Calculator holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Karnaugh & Boolean Minimizer has 22 ratings behind it against 1, so its average is the more settled of the two.
Karnaugh & Boolean Minimizer ships an update monthly, Uncertainty Calculator every 3 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.
| Parameter | Karnaugh & Boolean Minimizer | Uncertainty Calculator |
|---|---|---|
| Price | $3.99 | $3.99 |
| Rating | 4.2 (22 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.6% of reviews | — |
| Number of ratings | 22 — better | 1 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ketan Appa | Roman Volinsky |
Customer experience
Karnaugh & Boolean Minimizer
Uncertainty Calculator
In-app purchases
Karnaugh & Boolean Minimizer
No in-app purchases
Uncertainty Calculator
No in-app purchases
Questions
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Is Uncertainty Calculator free?
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