2s Complement Calculator vs Logic Kit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2s Complement Calculator
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Two’s complement calculator It is a computer and math-related application to find a special value using different numbers systems. It computes two’s complement from the values in binary, decimal, and hex systems. You will get steps as well. What is two’s complement? Two’s complement is found from the binary values of numbers. It is used in computer sciences a lot due to its many benefits like solving math problems. How to find two’s complement? Two’s complement is easy to find using the binary values. The rule is “Invert and add 1”. But the problem arises when two’s complement is required from other number systems like hex and decimal. It is then necessary to first convert them into binary numbers and then proceed. Then there is the problem of the number of bits. It is crucial to complete the bits. Hence the suitable alternative is 2’s complement calculator. How to use this application? After downloading and opening the application; 1. Select the input format i.e the number system. 2. Choose the bit size from the “Binary digits” option. 3. Enter the value in the selected number system. 4. Convert. Features This application is designed by a dedicated team of developers to meet all the requirements of users. It has some really cool features which are discussed ahead. Before reading the features, be assured that the calculations performed by this tool are hundred percent accurate. - Various number systems. Most of the applications on the Play Store and Apple store only allow conversion from the binary system. But Allmath’s 2s complement calculator has extended its field to decimal and hex systems as well. - Bit size The app allows choosing from a number of bit sizes like 4, 8, and 16. - Keyboard. You get a keyboard exclusively designed for all three number systems. It has options to enter hex alphabets and the other required digits. - Comprehensive result One thing of two’s complement application that stands out the most is its thorough result feature. The user will not only get the conversion into 2’s complement but also an account of selected and important information. Use this application and feel free to leave suggestions.
Logic Kit
This app simplifies boolean algebra expressions and converts numbers between bases with detailed step-by-step solutions. It offers tools for Karnaugh Maps, truth tables, arithmetic, and complements, all accessible offline.
- Boolean algebra simplification
- Karnaugh Map solver
- Truth table generator
- Number base conversion
- Arithmetic in different bases
- Step-by-step solutions
- Circuit diagram generation
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The "Logic Kit" app helps you to simplify boolean algebra expressions by using boolean algebra laws, solve Karnaugh Map, Truth Table, Sum of Product (SoP), Product of Sum (PoS), convert numbers from any base to any base, do arithmetic between these numbers, find complements, and more. All this is provided with a detailed step-by-step to learn while solving. Boolean Algebra Features • Simplify boolean algebra expression using boolean algebra laws and show the detailed solution step-by-step. • Simplify the boolean algebra expression using Karnaugh Map and show the detailed solution step-by-step. • Solve Karnaugh Map by inserting values (SoP, PoS) directly in the map with the ability to use "Don't Care". • Find the truth table from the boolean algebra expression and show the detailed solution step-by-step, or easily insert values (SoP, PoS) directly in the truth table and get the boolean algebra expression consisting of Minterms or Maxterms. • Find SoP and PoS from the boolean algebra expression and show the detailed solution step-by-step. • Deal with the Sum of Product (SoP) and the Product of Sum (PoS), and get the boolean algebra expression consisting of Minterms or Maxterms. • Easily show a circuit diagram for any simplified boolean expression using AND-OR gates, NAND gates only, or NOR gates only. • In the boolean algebra expressions you can use all the English letters (26 variables) and 11 different logic gates (AND, OR, NOT, NAND, NOR, XOR, XNOR, IMPLY, NOT-IMPLY, CONVERSE, NOT-CONVERSE). • Truth table and Karnaugh Map can solve up to 10 variables. • Special design keyboard for the boolean algebra to write expression variables and gates easily. Number Systems Features • Convert numbers (with decimal points) from any base to any base (binary, octal, decimal, hexadecimal, etc.) up to base 36 and show detailed step-by-step. • Find r's and (r-1)'s Complement for any base up to base 36 and show detailed step-by-step. • Do arithmetic (Plus, Minus, Multiplication, and divide) between numbers in different bases and get the solution with detailed step-by-step. • Special design keyboard for the number systems that interact with the selected bases to write easily with no mistakes. More Features • The Logic Kit app works with no need for an internet connection, and there are no ads. • There will be many added features in the upcoming updates.
Screenshots
Verdict
The clearest difference is price: 2s Complement Calculator at Free against Logic Kit's $9.99. 2s Complement Calculator also leads on iOS requirement (13.0 vs 17.0). Logic Kit's advantage is update cadence (every 9 days vs every 15 months). On ads, in-app purchases 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
2s Complement Calculator is free to download; Logic Kit costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
2s Complement Calculator ships an update every 15 months, Logic Kit every 9 days. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.
| Parameter | 2s Complement Calculator | Logic Kit |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | — | 4.9 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 15 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmad Sattar | Ahmed Ibrahim |
In-app purchases
2s Complement Calculator
No in-app purchases
Logic Kit
No in-app purchases
Questions
Is 2s Complement Calculator free?
Is Logic Kit free?
Do 2s Complement Calculator or Logic Kit have ads?
Which is updated more often, 2s Complement Calculator or Logic Kit?
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