シンプル請求書 - インボイス対応の請求書作成

Tiny Effort Inc.

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About this app

Create invoices in just one minute.

"Simple Invoice" is an invoice creation app for sole proprietors, freelancers, and small businesses. Most invoice software is multi-functional and complex. This app focuses solely on "creating PDF invoices without any hassle." No account registration is required; the only information you need to enter the first time is your company name or business name.


Simple Invoice is an invoice creation app for sole proprietors, freelancers, and small businesses. ■ Invoice System (Qualified Invoice) Support
- Registration number is included in the PDF
- Automatically displays the applicable amount and consumption tax amount for each tax rate (10% and 8%)
- Automatically adds a "*" mark and note to items subject to the reduced tax rate (8%)
- Selectable rounding of consumption tax: round down/round to the nearest whole number/round up
- Option to hide consumption tax for tax-exempt businesses

■ Japanese-Style Invoice PDF
- Automatically lays out a neat A4 portrait invoice
- Japanese-style honorifics (To Whom It May Concern/Mr./Ms.), highlighting of the invoice amount, and bank transfer details
- Created PDFs can be sent via email/LINE or saved as files from the shared sheet

■ Payment Management in This App
- Manages status as unpaid/paid/cancelled
- "Overdue" badge for invoices past their payment deadline
- Displays remaining days ("◯ days left") and records the payment date
- Tap the badge in the list to change the status on the spot

■ Features to reduce data entry effort:
* Automatically assigns invoice numbers (manual changes and hiding by leaving the field blank are also possible)
* Register frequently used items as templates. Add them to details with a single tap.
* Register clients and simply select the recipient.
* Issue the same invoice every month with just a few taps using "Duplicate".
* Supports discount fields and switching between tax-inclusive and tax-exclusive unit prices.

■ Registered data is stored only on the device:
* No account registration required
* Backup function allows for device changes
* Dark mode support

Recommended for:
* Freelancers who issue several invoices every month
* Those who find accounting software overkill and creating invoices in Excel cumbersome
* Those who want to quickly create invoice-compliant invoices on their smartphones

What’s new

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