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Everyone
10+
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Everyone
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About this app

Easy Invoice is an invoice creation app for freelancers and sole proprietors. You can create invoices, estimates, and receipts on your smartphone, and save and send them as PDFs. It also supports withholding tax and consumption tax calculations, invoice registration numbers, and document management.

You can create documents by entering client information and details without opening your computer. You can handle a series of invoice tasks on your smartphone, such as creating estimates while on the go, sending invoices after completing work, and issuing receipts after payment.

[Create Invoices, Estimates, and Receipts]
Simply enter the necessary items to create easy-to-read documents. Estimates can be converted to invoices, and invoices to receipts, reducing the effort of repeatedly entering the same information.

[Automatic Withholding Tax Calculation]
The app automatically calculates withholding tax on applicable remuneration and fees, and displays the net invoice amount. It calculates at 10.21% for amounts under 1 million yen and 20.42% for amounts exceeding 1 million yen.

[Invoice and Consumption Tax Support]
You can include the registration number of a qualified invoice issuer. Consumption tax is supported at both the standard rate of 10% and the reduced rate of 8%, and the amount can be calculated for each tax rate. You can also choose to display or hide the consumption tax field and registration number.

[Save and Send as PDF]
Created invoices, quotations, and receipts can be saved as PDFs. Using the device's sharing function, you can attach them to emails and messages, completing the entire process of sending documents to business partners from your smartphone.

[Manage Documents Monthly]
Created documents can be viewed in a list by billing month. This makes it easy to find past invoices and quotations, and can be used for organizing documents for tax filing.

[Save Data on Your Device]
Entered data such as business partners, items, and documents are saved on your device. No membership registration is required.

[Premium Features]
・Register business partners and frequently used items
・Set color themes, fonts, and logos
・Export documents for a specified period as PDF or ZIP files
・Ad-free

Premium plans are available monthly and annually. There are also one-time purchase options that allow you to use the ad-free feature only.

【For those who:】
・Are freelancers or sole proprietors who create invoices
・Want to manage everything from estimates to invoices and receipts in one place
・Want to easily calculate withholding tax on their income
・Want to create invoice-compliant documents on their smartphone
・Want to send created PDFs to clients immediately
・Want to organize documents before filing their tax return

The necessity of withholding tax and its tax treatment vary depending on the type of income and transaction terms. Please consult with a tax office or a tax professional as needed.
An invoice creation app for freelancers and sole proprietors. It automatically calculates withholding tax and consumption tax, and supports quotation, receipt, invoice, PDF sending, document management, and tax return preparation. No registration required.
Updated on
Sep 6, 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
    Learn more about how developers declare collection
  • Data is encrypted in transit

What’s new

・画面切り替え時のバナー広告の表示を改善しました。
・アプリ起動時の広告表示に対応しました(広告非表示・プレミアムをご利用中の方は対象外です)。
・プレミアムプラン画面を整理し、月額・年額プランを選びやすくしました。
・一部の画面操作に関する不具合を修正し、動作の安定性を改善しました。