Hitorinku - 一人工

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About this app

Are you constantly bogged down in the same tasks at the end of each month?

Transcribing attendance records, calculating manpower, creating tables for payroll calculations.

Hitorinku is an attendance and manpower management app for construction company and building business owners. Record attendance for each site with a tap, and complete everything from calculations to outputting payroll ledger PDFs on a single smartphone.

■ Recommended for those who:
・Are spending too much time on paper attendance records or Excel calculations
・Want to understand the manpower of each employee by site
・Don't have time to manage paid leave (5 days mandatory per year, automatic granting)
・Want to handle the same data on multiple devices such as smartphones and tablets

■ Main Features
【Attendance Matrix】
Tap to input attendance, half-day, and holiday work using a monthly calendar and employee list. Supports batch input of "All Attend" and "Copy from Previous Day."

【Manpower Management by Site】
Assign sites by employee and by day using the site brush. Automatically calculates total manpower, working days, and participants for each site.

[Wage Ledger PDF/CSV Output]
By setting each employee's wage rate (daily/hourly), you can output a monthly wage ledger PDF with a single tap. Supports CSV output of attendance data.

[Paid Leave Management]
Equipped with an automatic paid leave granting scheduler. Automates everything from the progress bar for the mandatory 5 days of annual leave to managing the leave deadline. Paid leave requests can be submitted retroactively to past dates within the closing period.

[Employee App Integration]
Employees can join simply by entering an invitation code (no email address required). Paid leave requests can be submitted from the app, and managers can automatically update attendance data by approving them in the inbox.

[Inter-Device Synchronization (v1.1 New Feature)]
Add a second or subsequent device and synchronize attendance, work, and paid leave data between devices. Supports a mix of iPhone, iPad, and Android devices. You can also use it as before with a single device while synchronization is turned off.

[Security]
Manager mode is protected by a PIN code + biometric authentication. All data communication is encrypted.

■ Pricing Plans
• Free Plan: Up to 5 employees can be registered (watermark will be added to PDF output)
• Hitorinku Pro (Automatic Renewal Subscription): ¥1,500/month / ¥15,000/year (Unlimited access to all features)

We focused on creating a price that "small construction companies can start using on their own." Please try the free plan first.

■ Additional Information
• This app is designed to align with the business practices of the Japanese construction industry (man-hours, attendance, and regular hours).
• Subscriptions can be managed and canceled at any time from your Google Play account settings.
• We usually respond to inquiries within 2-3 business days.

■ Various Links
Official Website: https://hitorinku.upthemoon.co.jp/
Support: https://hitorinku.upthemoon.co.jp/support.html
Privacy Policy: https://upthemoon.co.jp/privacy/hitorinku/
Account Deletion Information: https://upthemoon.co.jp/privacy/hitorinku/delete-account/
Inquiries: support@upthemoon.co.jp

Operated by: Up the Moon LLC
A time and labor management app for construction companies and contractors. Tap to record attendance, one-tap to output a payroll ledger PDF. Free for up to 5 employees.
Updated on
Sep 1, 2026

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
    Learn more about how developers declare sharing
  • No data collected
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  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone
In-App Purchases
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App support

About the developer
UP THE MOON LIMITED LIABILITY COMPANY
support@upthemoon.co.jp
30, TAISHI, HARUKI, TOGOCHO CENTURY TAISHI BETTO TEMPO 2B AICHI-GUN, 愛知県 470-0162 Japan
+81 90-3578-1032

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