Youfolium is an invoice, quotation, delivery note, and receipt creation app for freelancers and sole proprietors. Quickly create business documents with just your smartphone, and complete the process from PDF to email with a single tap.

■ Supports 4 document types

・Invoices: Compatible with the Invoice System (Qualified Invoice). Covers everything from registration number and tax rate breakdown to withholding tax amount display.

* Quotation: Created as a formal document including expiration date and terms and conditions.

* Delivery Note: Document for confirming delivery of goods/work details.

* Receipt: Supports both simplified and detailed formats.

■ Main Features

* Automatic consumption tax calculation (supports 10% / 8% reduced tax rates, tax-inclusive/tax-exclusive selection available)

* Automatic withholding tax calculation (supports withholding tax on remuneration)

* Automatic address entry from postal code

* Seal impression creation (automatic layout from name)

* Document duplication and type conversion (workflow: Quotation → Delivery Note → Invoice → Receipt)

* Automatic/manual invoice numbering switching

* Selection from multiple PDF templates

* Customer (client) master registration

* Bank account master registration

■ Recommended for:

* Freelance engineers, designers, and writers

* Sole proprietors and one-person companies

* For those who need to issue invoices for their side business

* For those who want to issue qualified invoices under the invoice system

■ Privacy-focused, local-first design

Business data is stored on the device in principle and is not sent to external servers. Cloud synchronization is an optional feature of the Premium plan, and users can choose whether or not to use it.

■ Pricing Plans

* Youfolium Premium: No ads, unlimited bank account registration, upload of seal images, cloud synchronization across multiple devices

A one-week free trial is available upon new Premium subscription.

■ Support

Please feel free to contact us with any questions or requests via the "Anything Support Chat" within the app.

BPM Japan LLC