Quick answer
Invoice Simple is a mobile-first invoicing app with online payments, starting at $6.99 a month for 3 invoices. Invoice Website has a free plan and a $5 Basic plan with 30 documents a month, but it does not take card payments. Pick Invoice Simple for in-app payments, Invoice Website for more invoices per dollar.
Features and pricing
Invoice Simple details come from their public pages, checked on October 21, 2026.
| Feature | Invoice Website | Invoice Simple |
|---|---|---|
| Free plan | Yes, free forever: 2 invoices or estimates a month with PDF download, no card needed | 14-day free trial of Premium, then a paid plan |
| Paid plans | Basic at $5/month for 30 documents a month; Premium at $20/month for unlimited | Essentials at $6.99/month (up to 3 invoices a month); Plus at $14.99 (10 invoices); Premium at $21.99 (unlimited) |
| Invoice templates | 40 templates (2 on the free plan) | Customizable templates; premium templates on the Premium plan |
| Estimates and quotes | Yes, and convert an accepted estimate into an invoice | Yes |
| Purchase orders | Yes, on paid plans (30 a month on Basic, unlimited on Premium) | Not listed on their pricing page |
| Online card payments | No. Clients pay you directly, using the payment details you put on the invoice | Yes, on every plan |
| Recurring invoices | Not yet | Not listed on their pricing page |
| Automatic payment reminders | Not yet | Due date reminders on Plus and Premium |
| Multiple businesses | Up to 3 on Basic, unlimited on Premium | Not listed on their pricing page |
| Mobile app | No app. The web app works in a phone browser | Yes, iOS and Android |
| Accounting and expenses | No. Invoices, estimates, and purchase orders only | Summary reports on Plus and above |
Prices are in US dollars per month unless noted and can change. "Not listed on their pricing page" means Invoice Simple did not mention the feature on the pages we checked, not that it is missing.
Who should pick which
Pick Invoice Simple if
- You want clients to pay by card straight from the invoice.
- You do most of your invoicing from a phone app.
- You need client signatures or deposits on invoices.
Pick Invoice Website if
- You send more than 3 invoices a month and want to pay less: Basic covers 30 documents.
- You want a free plan you can keep using, not a trial.
- You also need purchase orders, or more template designs to choose from.
Switching from Invoice Simple
- Export from Invoice Simple
Copy your client list and saved items from the Invoice Simple app, and download PDFs of any invoices you want to keep for your records.
- Create a free Invoice Website account
Sign up with your email. You do not need a card to start on the free plan.
- Add your business and clients
Enter your business details once and they fill in on every invoice. Add clients as you bill them.
- Send your next invoice
Pick a template, add line items, and download the PDF or email it to your client. Keep old invoices from your previous tool for your records.
Invoice Website vs Invoice Simple FAQ
Is Invoice Website cheaper than Invoice Simple?
For most small senders, yes. Invoice Website Basic is $5 a month for 30 invoices and estimates, while Invoice Simple Essentials is $6.99 a month for up to 3 invoices. Invoice Simple includes online payments, which Invoice Website does not offer.
Can my clients pay online with Invoice Website?
No. Invoice Website does not process payments. Put your bank details, check instructions, or your own payment link on the invoice, and your client pays you directly.
Does Invoice Website have a mobile app?
Not a native app. Invoice Website runs in any phone browser, so you can create and send invoices on a phone without installing anything.
Sources
Last reviewed October 21, 2026. Invoice Simple is a trademark of its owner. Spot something out of date? Let us know.