勉強ばこ

This app records study time for each subject.

You create "boxes" for each subject or learning material. Pressing a box starts the timer. Pressing it again stops the timer, and the counted time is recorded down to the second. That's all there is to it!

■ Counting with a single press
Pressing an empty area of ​​a box starts counting from zero. The timer continues even when the app is closed, and the time remains accurate when you return. A notification remains while counting is in progress, so you'll be reminded if you forget to stop.

■ Recording in seconds
The record is saved in seconds. It doesn't round up to minutes, so both short and long study sessions are recorded exactly as you spent them.

■ Setting daily goals
You can set a daily goal of "X minutes" for each box. You can see your progress immediately, and the goal resets daily. You can leave some boxes without goals if you prefer.

■ Counting by time (timer)
You can also set a time limit and count backwards. It will notify you when you're finished. It only works when you initiate it; it won't start automatically. If you don't use it, you can remove this entry point in the settings.

■ Record Later
You can manually enter any time you forgot to count later. You can also enter data for past dates.

■ View on Calendar
Days you studied are highlighted in darker colors, while days you didn't study remain white. Even a single second of recording will trigger a colored display. The number of consecutive days and the longest consecutive period are also displayed.

■ Total by Period
You can calculate totals for this week, this month, this year, the entire year, and a period of your choice. A breakdown by category is also displayed.

■ Stored Only on Your Device
Records are saved only on your device. No account is required. Backups are manually created and imported.

■ Quiet Operation
Graphs, detailed statistics, rankings, and competition mechanisms are not included. You can set the daily reset time yourself (e.g., 3 AM for night owls). The screen brightness adjusts to your device's brightness settings.

It can be used for recording study progress, self-study, test preparation, exam preparation, and time management for qualification studies.