学習タイマー（消音・ポモドーロ対応）
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About this app
***A Study Timer You Can Use Safely in Libraries and Study Rooms***
"I want to use a timer, but the sound will disturb those around me..."
This study timer, with its silent function, was developed to solve that problem.
It can be used safely in quiet environments such as libraries, study rooms, cafes, schools, and workplaces.
This app is recommended not only for students, but also for those studying for qualification exams or entrance exams, and anyone who wants to manage their time for work or reading.
【Main Features】
・Silent, Light, and Vibration Notifications
You can freely combine notification sounds, vibrations, and screen illumination to set notification methods.
・Pomodoro Timer
Manage focus time and break time to efficiently proceed with studying or working.
・Preset Function
You can save up to 3 frequently used times and start the timer with one tap.
・Change Notification Sound
You can set audio files from your device as notification sounds.
・Change Theme
Multiple themes are available, allowing you to change to your preferred design. Dark mode is also supported.
• Displays remaining time in the notification bar
You can check the remaining time from the notification bar even when the app is closed.
• Can be set up to 42 hours
Suitable for a wide range of uses, from short study sessions to long work sessions.
【Recommended for those who:】
• Are studying for entrance exams
• Are studying for certification exams
• Study in libraries or study rooms
• Want to utilize the Pomodoro Technique
• Want to manage their work, reading, or other work time
We will continue to add features and make improvements based on feedback from our users.
Please use this learning timer, which can be used safely even in quiet environments, for your daily studies and work.
"I want to use a timer, but the sound will disturb those around me..."
This study timer, with its silent function, was developed to solve that problem.
It can be used safely in quiet environments such as libraries, study rooms, cafes, schools, and workplaces.
This app is recommended not only for students, but also for those studying for qualification exams or entrance exams, and anyone who wants to manage their time for work or reading.
【Main Features】
・Silent, Light, and Vibration Notifications
You can freely combine notification sounds, vibrations, and screen illumination to set notification methods.
・Pomodoro Timer
Manage focus time and break time to efficiently proceed with studying or working.
・Preset Function
You can save up to 3 frequently used times and start the timer with one tap.
・Change Notification Sound
You can set audio files from your device as notification sounds.
・Change Theme
Multiple themes are available, allowing you to change to your preferred design. Dark mode is also supported.
• Displays remaining time in the notification bar
You can check the remaining time from the notification bar even when the app is closed.
• Can be set up to 42 hours
Suitable for a wide range of uses, from short study sessions to long work sessions.
【Recommended for those who:】
• Are studying for entrance exams
• Are studying for certification exams
• Study in libraries or study rooms
• Want to utilize the Pomodoro Technique
• Want to manage their work, reading, or other work time
We will continue to add features and make improvements based on feedback from our users.
Please use this learning timer, which can be used safely even in quiet environments, for your daily studies and work.
Perfect for libraries and study rooms! A study timer with silent, light, and vibration notifications. Also compatible with the Pomodoro Technique.
Updated on
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 partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
What’s new
2026/09/07：
・タイマーの進捗バーの追加
・edge-to-edgeへの対応方法の変更
・その他些細な仕様変更
2026/08/17：
・3ボタン方式の際に、レイアウトが操作ボタンの下に潜り込んでしまうバグの修正
・ポモドーロタイマーのボタンレイアウトが崩れてしまうバグの修正
2026/07/26：
・製品版をリリース！(≧▽≦*)
2026/07/18：
・通常タイマー画面を一度開いて再度開くと画面がリセットされてしまうバグの修正
・ポモドーロタイマーの初期値を設定
・その他些細なバグの修正
2026/07/09：
・ポモドーロタイマー画面を一度開いて再度開くと画面がリセットされてしまうバグの修正
2026/06/25：
・新しいテーマの追加
・一部テーマ名の変更
・夕日→ダークモードに変更した際に、メイン画面でテーマの変更内容が適応されないバグの修正
・タイマーの進捗バーの追加
・edge-to-edgeへの対応方法の変更
・その他些細な仕様変更
2026/08/17：
・3ボタン方式の際に、レイアウトが操作ボタンの下に潜り込んでしまうバグの修正
・ポモドーロタイマーのボタンレイアウトが崩れてしまうバグの修正
2026/07/26：
・製品版をリリース！(≧▽≦*)
2026/07/18：
・通常タイマー画面を一度開いて再度開くと画面がリセットされてしまうバグの修正
・ポモドーロタイマーの初期値を設定
・その他些細なバグの修正
2026/07/09：
・ポモドーロタイマー画面を一度開いて再度開くと画面がリセットされてしまうバグの修正
2026/06/25：
・新しいテーマの追加
・一部テーマ名の変更
・夕日→ダークモードに変更した際に、メイン画面でテーマの変更内容が適応されないバグの修正
