Sorokun
Abacus Training App
About
Master abacus skills with this app, offering practice in addition, subtraction, multiplication, and division. Engage in timed exams or practice modes for mental calculation, flash anzan, and dictation of sums. Problems align with recognized abacus competition standards.
What's New in Sorokun
1.0.25
August 18, 2026
FAQ
What abacus skills can I practice with Sorokun?
Sorokun offers practice in addition, subtraction, multiplication, and division. It also includes specialized training for Flash Anzan (mental addition of rapidly displayed numbers) and Dictation of Sums (mental addition and subtraction of spoken numbers).
Does Sorokun have different practice modes?
Yes, Sorokun features both 'Practice Mode' for immediate feedback and 'Exam Mode' for timed challenges that simulate competition conditions. Free modes allow for custom settings.
Are the problems in Sorokun based on real standards?
The problems in Sorokun correspond to grade levels defined by the Zen-Shu-Ren and Nisshu-Ren standards, as well as the Japan Flash Anzan Association, ensuring relevant and standardized training.
Can I customize the Flash Anzan and Dictation of Sums modes?
In Free Mode for Flash Anzan and Dictation of Sums, you can customize the number of entries, digit range, display speed, and reading speed. Dictation of Sums also allows you to choose whether to include only addition or both addition and subtraction.
What devices does Sorokun support?
Sorokun is available for iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users.
What is the age rating for Sorokun?
Sorokun has an age rating of 4+, making it suitable for young learners and children interested in developing their math skills.
How often is Sorokun updated?
The latest version of Sorokun is 1.0.25, and it was last updated on August 18, 2026. This indicates recent development and potential for future updates.
Does Sorokun have ads?
No, Sorokun does not contain advertisements, providing an uninterrupted learning experience for users.
