แบบทดสอบ ป.3 is a free educational app for Android 9.0 developed by Infinity App. It falls under the Education & Reference category and offers practice exercises for 3rd graders. The app includes more than 200 exercises, with 20 questions per subject, covering various topics such as math, English, science, Thai language, social studies, Buddhism, basic occupation (Feb), art, health education, and physical education.

The app provides students with an opportunity to practice learning and have fun at the same time. The team behind the app promises regular updates and more questions to keep the content fresh and relevant. The app allows for unlimited tests, and students can do them as many times as they want. There is no contact information for the developer provided, and the app is available for free download on the Google Play Store.