SPI言語 Study Pro is an Android application developed by Study Pro that provides an efficient learning mode for job seekers. It is a paid education and reference app that supports SPI2 and SPI3. It is currently ranked 3rd in the top paid education app chart and is available at a discounted price of 250 JPY from 450 JPY.

One of the app's standout features is its optimal learning mode, which prioritizes unanswered questions and difficult questions. This ensures that users can focus on their weak areas and maximize their learning. The app includes a total of 232 questions, including example questions, which is approximately twice the number of questions in commercially available study materials. Each question has a detailed explanation that is more comprehensive than the explanations found in textbooks. Additionally, the app includes a high-functioning handwriting memo tool that allows users to take notes and eliminate answer choices.

Overall, SPI言語 Study Pro is an effective and practical tool for job seekers who want to improve their chances of passing the SPI language test.