Best apps like Geek's hexadecimal calculator

10+ similar apps compared and reviewed

4.1 avg rating
6 free apps
Updated August 2026

Geek's hexadecimal calculator is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
KobCard screenshot 1
KobCard screenshot 2
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KobCard screenshot 4

KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Geek's hexadecimal calculator

Calctronics: Circuit Calc Pro#1

Calctronics: Circuit Calc Pro by Anas Abubakar

Electronics circuit calculator
Editor's Choice
📊 Productivity
4.3(3 ratings)
$2.99
Calctronics: Circuit Calc Pro screenshot 1
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Calctronics: Circuit Calc Pro screenshot 6

This app provides a comprehensive suite of calculators and design tools for electronic engineering projects. It assists with circuit design, filter analysis, and calculations for various components like resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic tasks.

Kalkulilo (Calculator)#2

Kalkulilo (Calculator) by Alexander Clauss

Strong Contender
📊 Productivity
4.5😊(29 ratings)
$2.99In-App Purchases
Kalkulilo (Calculator) screenshot 1
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This app offers a versatile calculator with multiple modes, including scientific, bitwise, statistical, trigonometric, base conversion, and time calculations. It features a simple mode with large buttons and customizable interface. Widgets for notification center and Apple Watch are also included.

What We Love

  • 🚀 Excellent, powerful calculator
  • 👍 Variety of modes and number systems
  • 👍 Intuitive and easy to use
  • 👍 Highly functional for engineers, programmers, and students

Room to Improve

  • 🐛 Stopped working after OS update
  • 💰 Ads introduced after being paid app
  • 👎 Buttons too small, hard to press

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