28 - Twenty eight
Utilities
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
The ultimate solution to working part-time in Japan! Manage your hours/jobs now!
・Its troublesome to calculate the 28 hours...
・I don't know the calculation for my summer break and after its over
・I wonder if my hours are all right as I was asked to work OT...
・I have so many part-time jobs that I can't calculate…
With this app, you can manage your part-time job hours without thinking about anything!
◆◆ Things you can do with the app ◆◆
・Calculate weekly hours (8 hours per day during long breaks)
・Calculate total hours across multiple part-time job locations
・Check the available working hours for today
・Keep a record of your part-time job growth
more ◆◆ New Features ◆◆
Registration Flow: Improved sign-up process for a more convenient and seamless experience.
Upload Date: Added the ability to edit and change the upload date on uploaded files.
◆◆ Bug Fixes & Performance ◆◆
Stability: Fixed remaining system bugs.
◆◆ Overall Improvements ◆◆
The app is safer and more user-friendly.
2.2.8 May 11
4:00 PMClaude responded: ◆◆ New Features ◆◆◆◆ New Features ◆◆
Document Management: Support uploading and downloading documents for students.
Multi-language: Added Bengali language support.
Optimization: Updated new advertising system.
◆◆ Bug Fixes & Performance ◆◆
Stability: Fixed remaining system bugs.
◆◆ Overall Improvements ◆◆
The app is safer and more user-friendly.
2.2.7 Apr 28
We've enhanced your experience!
◆◆ UI Improvements ◆◆
Redesigned Profile screen for a cleaner and more intuitive look.
◆◆ Updates ◆◆
Improved hourly wage calculation process for greater accuracy.
◆◆ Bug Fixes & Performance ◆◆
Fixed several bugs to improve overall app stability and user experience.
◆◆ Overall Improvements ◆◆
A smoother and more enjoyable experience awaits you.
2.2.6 Mar 26
We've enhanced your experience!
◆◆ New Features ◆◆
School Linking via QR Code: Quick connection with just one scan.
Comprehensive update of long holidays and latest regulations.
◆◆ Security Improvements ◆◆
Optimized authentication system.
◆◆ Bug Fixes & Performance ◆◆
Fixed application errors.
◆◆ Overall Improvements ◆◆
A safer and more user-friendly application.
2.2.5 Feb 4
We've enhanced your experience!
◆◆ New Features ◆◆
Added workplace deletion feature
Adjusted residence card edit button
◆◆ Bug Fixes & Performance ◆◆
Improved overall user experience
Fixed bug preventing users from editing work shifts
Optimized shift registration flow for more convenient and faster processing
◆◆ Overall Improvements ◆◆
We've focused on making your app experience safer, more stable, and more user-friendly.
2.2.4 12/03/2025
Here's the English translation:
We've enhanced your experience!
◆◆ New Features ◆◆
Separated work shifts individually for more accurate calculation of remaining work time
◆◆ Bug Fixes & Performance ◆◆
Improved overall user experience
Fixed bug preventing users from editing work shifts
Optimized shift registration flow for more convenient and faster processing
◆◆ Overall Improvements ◆◆
We've focused on making your app experience safer, more stable, and more user-friendly.
2.2.3 11/12/2025
Here's the English translation:
We've enhanced your experience!
◆◆ New Features ◆◆
Separated work shifts individually for more accurate calculation of remaining work time
◆◆ Bug Fixes & Performance ◆◆
Improved overall user experience
Fixed bug preventing users from editing work shifts
Optimized shift registration flow for more convenient and faster processing
◆◆ Overall Improvements ◆◆
We've focused on making your app experience safer, more stable, and more user-friendly.
2.2.2 10/31/2025
We've enhanced your experience!
◆◆ New Features ◆◆
Language Support
Added Myanmar Language
Extended multilingual support by adding Myanmar language
Helping Myanmar users have a better experience with the application
◆◆ Security Improvements ◆◆
Reduced token expiration time to increase security
Optimized authentication system for better protection of user data
Strengthened security measures to ensure safer user sessions
Improved logic for deleting scheduled work items
Optimized workflow management to prevent data inconsistencies
Enhanced user control over schedule modifications
◆◆ Bug Fixes & Performance ◆◆
Improved User Experience
◆◆ Overall Improvements ◆◆
We have focused on making your application experience more secure, reliable, and user-friendly.
2.2.1 08/11/2025
We've enhanced your experience!
◆◆ New Features ◆◆
**Employee Evaluation Section from Manager**
- Added feature allowing managers to evaluate and provide feedback on employee performance
- Optimized evaluation process for managers to easily track and provide comments
◆◆ Interface Improvements ◆◆
**Increased Review Message Display Width**
- Expanded display space for evaluation messages
- Improved ability to read and track evaluation content in greater detail
◆◆ Language Support ◆◆
**Added Nepali Language**
- Extended multilingual support by adding Nepali language
- Helping Nepali users have a better experience with the application
◆◆ Overall Improvements ◆◆
We have focused on making your application experience smoother and more reliable.
2.1.9 06/18/2025
We've Enhanced Your Experience!
◆◆ Overall Improvements ◆◆
We've focused on making your app experience smoother and more reliable.
◆◆ Bug Fixes ◆◆
New Member Registration
Resolved: fixed app crash when registering new members
Fixed app crash issue when registering new members, ensuring the registration flow works without errors
2.1.8 04/16/2025
We've Enhanced Your Experience!
◆◆ Overall Improvements ◆◆
We've focused on making your app experience smoother and more reliable.
◆◆ Bug Fixes ◆◆
Shift Management
Resolved: Shift Deletion Challenges
Fixed issues preventing the deletion of work shifts when accidentally entered incorrectly
Ensures more flexible and accurate schedule management
User Profile
Optimized: Profile Save Button Behavior
Save button now activates ONLY when user information is modified
Prevents unnecessary interactions and reduces accidental saves
◆◆ New Features ◆◆
Maintenance Notifications
Proactive Communication: Maintenance Alerts
Added a comprehensive maintenance notification system
Users will be informed about planned app maintenance windows
Clear communication about available service times
Helps users plan and manage their app usage effectively
2.1.7 03/27/2025
We re-designed 28 to assist you better!
◆◆ Overall ◆◆
Now more user-friendly!
◆◆ Part-time Job ◆◆
Check today's shift and receive notifications from employers! Refer to "Workable hours for today", to ensure you don't exceed 28 hours even for OT.
◆◆ Calendar ◆◆
Create shifts within workable hours! Request cancellations/changes directly to employers.
◆◆ MyGPS ◆◆
-My Growth Progress Score -
Your strengths aka "Wow"s are now grouped into categories. Observe your progress through data insights!
2.1.6 01/31/2024
We re-designed 28 to assist you better!
◆◆ Overall ◆◆
Now more user-friendly!
◆◆ Part-time Job ◆◆
Check today's shift and receive notifications from employers! Refer to "Workable hours for today", to ensure you don't exceed 28 hours even for OT.
◆◆ Calendar ◆◆
Create shifts within workable hours! Request cancellations/changes directly to employers.
◆◆ MyGPS ◆◆
-My Growth Progress Score -
Your strengths aka "Wow"s are now grouped into categories. Observe your progress through data insights!
2.1.5 12/05/2023
We re-designed 28 to assist you better!
◆◆ Overall ◆◆
Now more user-friendly!
◆◆ Part-time Job ◆◆
Check today's shift and receive notifications from employers! Refer to "Workable hours for today", to ensure you don't exceed 28 hours even for OT.
◆◆ Calendar ◆◆
Create shifts within workable hours! Request cancellations/changes directly to employers.
◆◆ MyGPS ◆◆
-My Growth Progress Score -
Your strengths aka "Wow"s are now grouped into categories. Observe your progress through data insights!
2.1.3 11/14/2023
We re-designed 28 to assist you better!
◆◆ Overall ◆◆
Now more user-friendly!
◆◆ Part-time Job ◆◆
Check today's shift and receive notifications from employers! Refer to "Workable hours for today", to ensure you don't exceed 28 hours even for OT.
◆◆ Calendar ◆◆
Create shifts within workable hours! Request cancellations/changes directly to employers.
◆◆ MyGPS ◆◆
-My Growth Progress Score -
Your strengths aka "Wow"s are now grouped into categories. Observe your progress through data insights!
2.1.2 11/03/2023
We re-designed 28 to assist you better!
◆◆ Overall ◆◆
Now more user-friendly!
◆◆ Part-time Job ◆◆
Check today's shift and receive notifications from employers! Refer to "Workable hours for today", to ensure you don't exceed 28 hours even for OT.
◆◆ Calendar ◆◆
Create shifts within workable hours! Request cancellations/changes directly to employers.
◆◆ MyGPS ◆◆
-My Growth Progress Score -
Your strengths aka "Wow"s are now grouped into categories. Observe your progress through data insights!
2.1.1 09/30/2023
Modified the small bug.
1.0.2 03/18/2020
Modified the small bug.
1.0.1 09/11/2019
◆◆ New Features ◆◆
Registration Flow: Improved sign-up process for a more convenient and seamless experience.
Upload Date: Added the ability to edit and change the upload date on uploaded files.
◆◆ Bug Fixes & Performance ◆◆
Stability: Fixed remaining system bugs.
◆◆ Overall Improvements ◆◆
The app is safer and more user-friendly.
more Version 2.2.8 May 11
Data Linked to You The following data may be collected and linked to your identity:
Data Not Linked to You The following data may be collected but it is not linked to your identity:
Financial Info Contact Info User Content Identifiers Other Data