How‑To Guide

Create a Professional Invoice on iPhone

Follow this simple, step‑by‑step guide to make and send a VAT‑ready invoice from your iPhone with BillMate. You’ll go from your invoice hub to adding a customer, filling in items and bank details, previewing the PDF, and sharing it by email, WhatsApp, Messages, and more.

Step‑by‑Step: Create and Send an Invoice

Follow the screenshots below to go from your invoice hub to a shared PDF invoice on your iPhone

1)
Open Your Invoice Hub

Open BillMate on your iPhone and go to your invoice hub. This is where you can see all of your invoices in one place and check their status.

Invoice hub on iPhone showing your list of invoices
2)
Tap “Add Invoice”

From your invoice hub, tap the Add Invoice button to start a new invoice. This opens a blank invoice ready for your customer and line items.

Add new invoice screen on iPhone
3)
Choose or Add a Customer

Start typing your customer’s name in the customer field. If you’ve invoiced them before, BillMate will suggest existing customer records so you can select them quickly. If they’re new, just type in their details to add them.

Suggested customer details while typing client name
4)
Fill in Customer & Invoice Items

Once the customer is selected, complete any missing contact details if needed. Then add your invoice items: descriptions of the work or products, quantity, and price. BillMate calculates the totals automatically as you go.

Add customer details and invoice items with quantity and price
5)
Set Payment Terms & Bank Details

Scroll down to the payment section. If you’ve already added bank details in your business profile, they’ll appear automatically. If not, enter your bank account details here, along with payment terms and a due date so your customer knows exactly how to pay you.

You can also attach photos of the work or documents for the client on this screen.

Add payment details, bank details and attachments to invoice
6)
Save Your Invoice

When everything looks correct, tap Save. Your new invoice will now appear back in your invoice hub with its current status (for example, Draft or Sent).

Invoice hub showing your newly created invoice in the list
7)
Preview the PDF Invoice

Tap the invoice in your hub to open it, then tap Preview to see the PDF layout. Scroll through the pages to check all details, totals, and bank information are correct before you send it to your customer.

Invoice PDF preview page 1 on iPhone
Invoice PDF preview page 2 on iPhone
8)
Share the Invoice (Email, WhatsApp, Messages, etc.)

From the preview, tap Share. Choose how you want to send the invoice: email, WhatsApp, Messages, or another app. BillMate sends a full PDF invoice that your customer can open and save for their records.

Share invoice screen with email, WhatsApp and other options
9)
Customer Receives the PDF & You Track Payment

After you hit send, your customer receives the PDF invoice. You can see the invoice anytime in your invoice hub, track its status, and later mark it as paid when the money arrives in your account.

Invoice hub used to track invoice status and payments
Pro tip: If you already have an accepted quote in BillMate, you can convert it into an invoice in one tap instead of creating it from scratch.

Invoice Fields Explained

Fill these correctly for faster approvals and cleaner records

Business Details

Name, address, contact, logo, VAT number (if registered).

Client Details

Billing name, address, email; optional site address and contact.

Invoice Number

Unique sequence like INV‑2025‑001. Auto‑increment supported.

Dates

Issue date and due date—clear timelines reduce delays.

Reference/PO

Client PO or job reference speeds finance approvals.

Line Items

Description, quantity, unit price, VAT/tax, discounts; use notes for clarity.

Totals

Subtotal, tax totals, discounts, grand total—calculated for you.

Payment Terms

Net X days, late fees, deposits, and milestone references.

Bank/Payment Details

Account name, sort code, account number, IBAN/SWIFT, alternatives.

Examples & Calculations

VAT, discounts, and deposits—how totals are built

VAT at 20%

Service £100 + Parts £50 = Subtotal £150; VAT 20% = £30; Total £180.

Discount 10% on Subtotal

Subtotal £200 → Discount £20 → New Subtotal £180; VAT 20% = £36; Total £216.

Deposit Flow

Deposit invoice £100 → Final invoice later for remaining balance (e.g., £250 − £100 = £150 due).

Multiple Tax Rates

Line A at 5%, Line B at 20%—BillMate itemises each tax and shows combined totals on the PDF.

Weekly: £3.99
Monthly: £5.99
Annual: £49.99 BEST VALUE

Tips & Troubleshooting

Speed up invoicing and avoid common mistakes

Save Items

Reuse common services/parts to speed up future invoices.

Add References

Include PO/job references so client finance teams can approve quickly.

Clear Terms

Set payment terms and due dates. Add bank details or payment instructions.

Late Payers

Use BillMate’s legal support tools to handle overdue invoices professionally.

Attachments & Notes

Add site/delivery notes or certification references to match work performed.

Preview Carefully

Always preview the PDF—check numbers, dates, and references before sending.

FAQs

In‑depth answers to common invoicing questions

How do I email the invoice PDF?

Tap Preview → Share → choose Mail or Messages. You can also save to Files or copy the PDF. Add a short note and include PO/reference in the subject to speed approvals.

Can I edit an invoice after sending?

Yes, as long as it’s not marked as paid. Update items/terms and resend the PDF. If already paid, issue a credit note or an additional invoice.

How do I mark an invoice as paid?

Open the invoice → Mark as Paid. Add a note (e.g., payment method, reference). Optionally share a paid confirmation.

Does BillMate support quotes and deposits?

Yes. Create quotes, send for approval, then convert to invoices. For deposits, issue a deposit invoice first, then bill the remaining balance.

What should I write in payment terms?

Use Net 7/14/30, due on receipt, or milestone terms. Include late fees, bank/IBAN/SWIFT, and remittance info.

How can I add discounts or tax exemptions?

Add line‑level or overall discounts with a note explaining eligibility. For tax‑exempt sales, set VAT to 0% and include an exemption note if required.

What’s the best invoice numbering format?

INV‑YYYY‑### (e.g., INV‑2025‑042). Year prefixes help reporting. BillMate auto‑increments to avoid duplicates.

How do I avoid common mistakes?
  • Add an invoice number and due date
  • Use clear item descriptions and correct tax rates
  • Include bank details and payment instructions
  • Preview the PDF before sending
Can I include site addresses or delivery notes?

Yes. Add site or delivery notes per invoice or per line item to match client requirements.

How do I handle deposits and balances?

Use deposit and final invoices or track partial payments with notes. Mark as Paid when the balance is settled.

Create Your First iPhone Invoice

Download the iOS app to invoice on the go or sign up to the online CRM to manage from the web.