Dramatically automate your month-end processing

From Calendar to
Automatic Invoices

Automatically aggregate working hours from your Google Calendar. Create invoice system compliant invoices with one tap and complete email sending. Reduce freelance administrative tasks to zero.

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Completely Free

All Basic Features

3 Steps

Easy Setup

Japanese Format

Invoice Format

Working Hours 120 hours

Invoices 5 Created

Monthly Revenue ¥600,000

FEATURES

Main Features

Dramatically reduce month-end administrative tasks. Focus on your core work.

Real-time Google Calendar Integration

No manual entry required. The app automatically retrieves past events from your calendar. Simply select events like "Regular meeting with Company A" or "Project B development" to automatically convert dates and times into line items.

Create Invoices with One Tap

By linking client information with work logs, you can instantly complete perfect invoices with recipient names, amounts, and formulas. Automatic calculation of hourly and daily rates means no calculation errors.

Fully Invoice System Compliant

Uses a format that meets requirements including registration numbers, consumption tax calculation, and required items. Submit with confidence to your trading partners.

Gmail Integration for Smooth Sending

After creating an invoice, just press "Create Email Draft" button. Gmail opens with a template body and invoice PDF attached. Just press send button to complete.

Support for Multiple Clients & Calendars

Use separate calendars like "Company A - Personal" or "Company B - Shared". Set default rates and payment terms per client for easy project management.

Beautifully Visualize Revenue & Work

Instantly view monthly revenue trends and sales ratios by client in graphs. Visualize business growth with data.

SCREENSHOTS

App Screenshots

Intuitive interface for stress-free operation

Dashboard

View monthly revenue and invoice status at a glance

Calendar Integration

Simply select events from your Google Calendar

Create Invoice

Generate invoice system compliant PDF with one tap

Client Management

Set rates and linked calendars for each client

Invoice Details

Centralized management from creation to email sending

Statistics

Beautifully visualize work and revenue

FOR YOU

Especially Recommended For

For freelancers who want to use time effectively and achieve more results

Engineers

Engineers working with time-based compensation. For those managing multiple projects in parallel.

Designers

Designers who value creative time. Reduce administrative tasks and focus on creation.

Writers

Writers specializing in article creation and content production. Efficient management of working hours.

Consultants

Consultants who measure time by client. For accurate invoice creation.

Side Hustlers

For those balancing main job and side business. Want to centrally manage multiple revenue sources.

Want to Reduce Month-end Admin

All freelancers who want to eliminate time spent on calculations while checking their calendar.

SECURITY

Security and Privacy

Your data is securely protected

Official Google API

Uses official APIs compliant with Google's security standards to safely access calendar information.

No External Data Use

Retrieved data is used only for invoice creation purposes and will not be sold externally.

Local Storage Priority

Data is stored on device as much as possible, with minimal information synced to cloud.

From Calendar to Automatic Invoices