Calvo：カレンダー連携でかんたん自動請求書作成
Android app by Velura. Business · Velura
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Listed by the store
- Version
- 1.0.5
- Listing last refreshed
- 2026-09-17
View the original store listing
Store description excerpt
**[Dramatically automate your freelance month-end processing!]** "Calculating working hours while looking at a calendar every month is a pain..." "It takes hours just to create and email invoices..." "I'm worried about complying with the invoice system..." Calvo is an automated invoice generation app that integrates with Google Calendar, created to solve these problems for freelancers and sole proprietors. Simply tap on an event recorded in your calendar to accurately tally up working hours and instantly generate a professional-looking PDF invoice. -- **[Key Features and Benefits of Calvo]** ✅ **1. Real-time Integration with Google Calendar** No need for tedious manual entry. The app automatically retrieves past events from your calendar. Simply select the events you want to bill, such as "Regular Meeting with Company A" or "Development Project B," and the dates and times will automatically be converted into itemized statements. ✅ **2. Create invoices with one tap** By linking client information and operation logs, you can instantly create perfect invoices complete with recipients, amounts, and calculation formulas. Hourly and daily rates are also calculated automatically, eliminating the risk of calculation errors. ✅ **3. Fully compatible with the invoice system (qualified invoices)** The format includes registration numbers, consumption tax calculations, and mandatory fields. Submit to your clients with confidence. ✅ **4. Smooth sending with Gmail integration** Once you've created an invoice, simply press the "Create email draft" button. A Gmail window will open with the template text entered and the invoice PDF attached. Then, simply press the send button to complete the process. ✅ **5. Support for multiple clients and calendars** You can use separate calendars, such as "Company A has a personal calendar" and "Company B has a shared calendar." You can set default unit prices and payment terms for each client, making project management easy. --- **[Especially Recommended for]** * Freelancers such as engineers, designers, and writers * Hourly-paid (quasi-agency) workers * Side-hustlers with multiple clients * Those looking to reduce end-of-month administrative work **[Security and Privacy]** Calvo uses official Google APIs and accesses calendar information in compliance with security standards. The acquired data is used solely for invoicing purposes and will not be sold to third parties. **Download Calvo now and free yourself from administrative work.** Want more time to focus on your creative work?
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