Invoice App for Small Business

Keep invoicing close to the work—not the weekend.

Small businesses lose cash-flow days when invoicing is treated as a separate office job. InvoiceSonic lets the owner create and send the bill from the phone or browser as soon as the work is complete, while saved clients and status tracking keep the growing invoice list organised.

Owner-operated billing · Mobile and web · Three invoices per month free

Made for a short admin loop — Finish the job, create the invoice, state how to pay and keep the balance visible. No accounting implementation project required.

Download the InvoiceSonic app for iPhone & iPad

Invoice generator form

Your business Business name Tax ID / VAT Email Phone Address line 1 Address line 2

City / Suburb State / Region Postal code

Country

Bill to (client) Business name Tax ID / VAT Email Phone Address line 1 Address line 2

City / Suburb State / Region Postal code

Country

Invoice details Invoice number PO number Issue date Due date Currency

Line items

Description	Qty	Unit price	Tax %

Totals Subtotal Discount Tax total Total amount due

Payment details Bank name Account name Routing / Sort code Account number Payment reference

Notes Notes to client

Open interactive editor

What you get

Invoice on site

Use iPhone, iPad or any mobile browser so the request for payment goes out while the job details are current.

Saved customers and services

Reuse contact details and regular line items to reduce typing and inconsistent descriptions.

Professional business identity

Add your logo, tax identifier, terms and payment details to every invoice.

Cash-flow visibility

See which invoices have been sent, opened, paid or allowed to pass their due date.

Repeat-customer billing

Schedule recurring invoices for maintenance, retainers, subscriptions and other regular services.

Follow-up that happens

Automatic reminders keep overdue invoices moving even during the next busy workday.

How it works

1

Save the business basics

Set your identity, logo, tax details and preferred payment instructions once.
2

Create the invoice at completion

Choose the customer, add the work and materials, check the total and set a due date.
3

Track the receivable

Send the invoice and monitor it from the same mobile or web account until payment is recorded.

Send the next invoice today

Create it from the job, office or kitchen table and give the customer a clear way to pay.

Create a small-business invoice

Frequently asked questions

What should a small-business invoice app do?

It should make invoices quickly, save repeat details, work properly on mobile, show clear payment instructions and keep unpaid balances visible. Recurring invoices and reminders are useful once volume grows.

Can I use the app without accounting software?

Yes. InvoiceSonic can be used as a focused invoicing system. You may still use a bookkeeper or separate accounting tool for tax, payroll, reconciliation and financial statements.

Does it work for service businesses?

Yes. Bill labour, materials, quantities, fixed jobs, deposits or recurring services, with tax and totals calculated on the invoice.

Can customers pay without card fees?

You can show bank-transfer and supported local payment details directly on the invoice. That gives clients a fee-free option instead of forcing every payment through a card processor.

How much does InvoiceSonic cost?

The free plan covers up to three invoices per month. Pro adds the higher-volume, saved and automated workflow, including recurring billing and reminders.

Related tools & guides

Invoice app · Invoice software for small business · Best invoice app · Simple invoice app · Recurring invoices