Practice Japanese abacus calculations with this app. It offers exercises for addition, subtraction, sums, multiplication, and division. Advanced features like multiplication, division, and mock exams are available via in-app purchase.






44+ iOS apps & games curated and reviewed
With an average user rating of 4.1★, the soroban drill category is one of the App Store's strongest. Browse all 44+ apps and games we track, sorted so the most loved ones surface first.






Practice Japanese abacus calculations with this app. It offers exercises for addition, subtraction, sums, multiplication, and division. Advanced features like multiplication, division, and mock exams are available via in-app purchase.






This app offers curriculum-aligned math and reading lessons for children aged 2-11 through interactive games, books, and activities. It adapts to each child's learning level, providing personalized support and challenges to build foundational skills and confidence.








This application helps you find the optimal drill speeds for your drill bits and materials with a simple and intuitive interface. It allows you to quickly select your drill bits and materials, and provides details and remembers your selections for easy reference, even on an Apple Watch.


Calculate essential drilling parameters like bit TFA, pressure drop, and impact force using bit size, flow rate, and mud weight. Offers a reverse calculation to determine nozzle sizes for a specific total flow area and number of nozzles.


This application serves machinists, designers, and manufacturing personnel with essential drill bit calculations. It features a comprehensive drill size chart with decimal equivalents, a calculator for optimal speeds and feeds across various materials, and a tool for determining drill point depth based on angle.


This app offers engaging math learning games for children, focusing on numbers up to 20. It features 15 mini-games with 150 levels designed for progressive learning, covering essential math skills from counting to basic arithmetic. The game adapts to each child's pace and aligns with common core standards.


This app offers fun, phonics-based reading games for children aged 3-6. It helps build essential literacy skills through interactive play, allowing children to create their own monster and embark on a reading adventure. Designed by experts, it's a safe and trusted tool for home and school.




Explore and search detailed specifications for motor power sections, rotors, and stators. Find the ideal drilling solution by filtering based on tool size, lobes, stages, and revolutions per gallon. Save favorites and connect with experts.






Assemble and upgrade a drilling machine to mine gems underground. Face challenges and obstacles by synthesizing components to enhance your digging capabilities and discover treasures. Enjoy a relaxing underground adventure with synthesis and mining challenges.


Enhance your math skills with calculation drills for abacus and calculator. Customize training sessions for addition, subtraction, multiplication, and division, with advanced options available after purchase. Challenge yourself in a mode where problems increase in difficulty.




This mobile toolbox simplifies complex drilling engineering calculations. It offers a comprehensive suite of 29 functions across 11 categories, eliminating the need for handbooks and improving efficiency for engineers and technicians.




Experience a realistic drilling simulation where only a small percentage of players reach the ground. Test your skills in this challenging game.




This utility app connects to sensors for horizontal drilling and screw piling. It helps manage job data, generate reports, and store sensor information locally and in the cloud.