珠心算训练 is an iPhone application developed by Xiamen Shangwo Education Industry Service Co. Ltd. It is designed for paperless competition training, allowing participants to engage in pre-competition practice. Registered contestants can log in to the training platform by entering the identity code provided by the competition organizers.

The main features of 珠心算训练 include pre-competition practice sessions, photo collection functionality for displaying previously captured images, and the ability to check post-competition score reports. After the competition, users can access detailed score reports officially released by the organizing committee, which include individual performance results for each competition segment and the submitted answer to the first question during the competition.