StudyCast(スタキャス)-勉強・記録・タイマー

100K+
Downloads
Content rating
Everyone
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About this app

Winner of the Good Design Award 2022!
● Daily study time increased by 73 minutes! (※1)
● 92.1% of users reported increased motivation! (※2)
StudyCast is a free study room app that allows you to concentrate and study together with peers nationwide who are attending similar schools or in similar grades in an online study space. Records are automatically recorded by subject (e.g., English, Math, etc.) and by reference book, allowing for efficient study management. Setting daily study goals for homework, preparation/review, and test preparation helps solidify study habits.
*LINE login required to use this app.

"I can't concentrate on studying alone" or "I want to balance my study by checking the bias in my subject-specific study records to improve test preparation efficiency"? This app solves all your study problems!

Please send your comments and requests here → http://kzemi.jp/1/

[Key Features]
◆Study with friends and colleagues nationwide in the "Study Room for Everyone"◆
・Simply choose your favorite study room and join!
・Study rooms where you can concentrate on your studies with popular influencers are also available for a limited time.
・In the "School of Choice Room," you can study in the same study space as middle and high school students with the same school of choice and goals, improving your concentration while competing with each other.
・The stopwatch-style study timer can be used for any study session.
Examples: School homework, preparation, review, cram school assignments, submitted assignments, teacher-made handouts, test preparation, exam preparation, mock exams and past exam practice, memorization.
・Anonymous "public accounts" allow you to safely and securely connect with fellow study buddies online.
・Use the "Stamp Chat" feature to encourage each other while studying with friends and influencers nationwide.
・Set study schedules for individual or recurring sessions. By securing your schedule in advance, you can naturally study on set days and times each week, helping you develop a natural study habit.

◆Manage study time across other study apps all at once◆
List of connected apps
English app mikan/AI StLike (Benesse)/ClaCal/Manabi Mirai/King of World History/King of Modern Society/King of Earth Science/King of Japanese Language/King of Chinese/Fluent English Conversation/King of Ethics/King of Politics and Economics/King of Geography/King of Japanese History/King of Chemistry/King of Biology/God of Memorization/Japanese History Q&A/Junior High School Level Kanji Test

◆Many other features help you stay focused and motivated!◆
・The study timer function allows you to study alone, preventing you from fiddling with your phone. It features a count-up timer. You can use your smartphone as a clock.
・Compete with users nationwide for the longest study time with the study match feature. Use the countdown timer to prepare for tests.
- Study time within StudyCast is automatically recorded by subject and material.
- Study time for each subject is automatically graphed using pie and bar charts. Easily compare increases and decreases in study time from last week and study time by subject, allowing you to manage your studies from the palm of your hand.
- See how much study time users across the country are studying in real time on the "Timeline."
- Reference book rankings and study time rankings are also available.
- Preview various study materials. A ranking of reference books used by users attending the same school is also available.

[System Requirements]
- Internet access is required for use.
- Wi-Fi is recommended.
*If your device becomes slow after a certain period of time, try turning off the video.
- Compatible OS: Android 12 or higher
*Due to unstable operation, some functions are not available on the following devices. Thank you for your understanding.
・ arrows M03
・ SC02K
[Contact Us]
Please submit your comments and requests via "App Support" under "Ratings and Reviews" on this store page. (This section is for inquiries only.)
You can also contact us through the app by following the steps below.
Launch the app and select "Settings" > "Ratings & Requests" in the top right corner of the home page.
[Official Website]
https://www.benesse.co.jp/zemi/studycast/

*1) In the February 2022 "Survey on App Introduction Ideas and Studying," this is the average increase in study time for 264 people who used Stacast at least three times a week and responded that their study time increased significantly or somewhat.
*2) In the February 2022 "Survey on App Introduction Ideas and Studying," this is the percentage of people who responded that their motivation increased significantly or somewhat among 316 people who used Stacast at least three times a week.
Updated on
Aug 5, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data is encrypted in transit
You can request that data be deleted
Committed to follow the Play Families Policy