A Clean Invoice in Two Minutes — and You Always Know Who Still Owes You
Invoicing should not need an accounting subscription, a login or a spreadsheet you are afraid to break. Involo gives you a tidy invoice or quote in two minutes, a PDF you can send, and one number that matters: how much is still owed to you.
Read this guide in: English · Español · Português · Bahasa Indonesia · Tiếng Việt · Français · Deutsch · Italiano · 日本語 · 中文 · 한국어 · ไทย · Filipino · हिन्दी · العربية
The problem
Freelancers and small sellers lose money in quiet ways. The invoice goes out late because the template is a mess. Nobody remembers which ones were paid. A polite reminder never gets written because it feels awkward. And the “free” invoice sites want your email, your clients' details and a monthly fee before you can download the PDF. What you need is fast, private and honest: fill in, send, see who owes you, nudge them.
How Involo (Invoice Maker) works
- Add your business name and details once — they appear on every document.
- Create an invoice: the number fills itself in, add the client and a few lines, tax and discount if you use them.
- Watch the page update as you type, then download the PDF, print it or send it as an image.
- Mark it sent, then paid when the money arrives; the list shows what is late.
- If someone is late, tap Remind: a polite message with the amount and the due date opens in WhatsApp, Messenger or email.
What you get
- Unlimited invoices, numbered for youAutomatic numbers with your own prefix, draft / sent / paid status, search, and the total still owed to you at the top — all free.
- Documents in your client's languageChoose the language of the invoice separately from the app, so you can work in yours and bill in theirs. Pro prints labels in two languages at once.
- Who owes you, by age (Pro)Unpaid invoices grouped into not due, 1–30, 31–60, 61–90 and more than 90 days late, and the clients who owe the most.
- Payment QR on the invoice (Pro)Add your VietQR, Pix, PromptPay, QRIS, UPI or SEPA details once, and every unpaid invoice in that currency carries a QR code with the total already filled in.
- Quotes, repeats and books (Pro)Quotes become invoices in one tap, monthly invoices draft themselves, and your clients and items fill themselves in as you type.
- Templates and signature (Pro)Modern, Minimal, an 80 mm receipt and a timesheet with dates and hours, plus your drawn signature and no Involo line at the bottom.
Private by design
Involo has no account, no server and no analytics. Your business details, your clients' names and addresses, the amounts you bill and your bank details stay in your browser on your device, and the PDF is made there too. Nobody can see who your clients are or how much you earn — not a platform, not an advertiser, not us. Make a backup file whenever you like; it goes only where you save it.
Free vs Pro
What's new
v2.1.0 · 2026-09-25
- Mark an invoice Sent and a calendar file (.ics) nudges you on the due date and again 3 days later
- “Remind client” opens your phone's share sheet — WhatsApp, Messenger, email — with a polite message in your document language
- A “Due this week” card at the top: who, how much and how many days are left
- Your name or business is asked on the first invoice, so no PDF goes out without a “From”
- Pro: remind every late invoice in one go, and see the oldest late invoice for each client
- Fixes: labelled quantity and price on phones, empty drafts no longer pile up, “1 unpaid invoice”
v2.0.0 · 2026-09-24
- Unlimited saved invoices with automatic numbers, status and the total still owed to you
- Documents in your client's language, plus a polite reminder you can copy
- Pro: quotes that become invoices, monthly repeats, client and item books
- Pro: who owes you by age and by client
- Pro: payment QR on the invoice, Modern, Minimal, receipt and timesheet templates, signature
- Your v1 details and draft move over automatically; 15 languages
FAQ
Is Involo free?
Yes. Unlimited invoices with automatic numbers, status, search, the total owed to you, PDF, print, images, the Classic template, document language and reminders are free. Free documents carry a small “Involo · 1usd.life” line.
Does Involo calculate tax for my country?
No. Involo does not know any country's tax rates or invoice rules. You type the name and the rate of your tax; check what an invoice must show where you work.
Do I need to sign up?
No. There is no account and no email. Open the page and start; everything is kept in your browser.
What happened to my old Involo draft?
It came along. The first time the new version opens in the same browser, your business details, logo and last draft become your first invoice, and a Pro purchase carries over.
Can customers pay by scanning the invoice?
With Pro, yes: add your bank QR details and unpaid invoices in that currency show a payment QR with the total. Involo never receives or moves the money, so scan it once yourself before sending.
How much is Pro?
One dollar, once. Pro adds client and item books, quotes, who-owes-you by age, payment QR, four more templates, monthly repeats, signature, two-language labels and CSV. No subscription.
How do I remind a client who has not paid?
Tap Remind next to the invoice in the “Due this week” card. Your phone's share sheet opens with a polite message that already has the invoice number, the amount and the due date, in your document language — pick WhatsApp, Messenger or email and send. On a computer you can copy it or open WhatsApp or email. Involo never sends anything by itself.
Can Involo put due dates in my calendar?
Yes, for free. When you mark an invoice Sent, Involo makes a small calendar file (.ics) on your device with two reminders: on the due date, and 3 days later in case it is still unpaid. Open the file and your calendar app adds them. No account, no server, nothing synced.