QuickInvoice

CRISTALINE TECH

In-app purchases

About this app

QuickInvoice is the fastest way to create professional invoices on your phone
and send them directly to your clients via WhatsApp, email, or PDF — no laptop
needed, no complicated setup.

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HOW IT WORKS
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Open the app, fill in your client details and the items you're billing for,
add your signature, and send. Your client receives a clean, professional PDF
invoice in seconds. Mark it as paid when the money comes in.

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KEY FEATURES
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📄 PDF Invoices — generate beautiful, print-ready invoices instantly
💬 WhatsApp Share — send invoices directly to clients on WhatsApp
📧 Email Share — send via email with one tap
✍️ Draw Signature — sign invoices with your finger
📊 Live Dashboard — track this month's revenue, outstanding, and collected
💰 Tax & Discount — add VAT/tax and discount percentages with live preview
📅 Due Dates — set payment due dates on every invoice
📂 Client Address Book — save clients and reuse their details instantly
🔁 Duplicate Invoice — copy any invoice in one tap
📤 CSV Export — export all invoices as a spreadsheet
🎨 Custom Colors — choose your invoice brand color
🏢 Business Profile — add your logo, address, and payment info to every invoice
📱 Multi-page PDF — handles long invoices automatically
🔔 Payment Reminder — send a WhatsApp reminder to overdue clients

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WHO IS THIS FOR?
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→ Freelancers and contractors
→ Small business owners
→ Online vendors and sellers
→ Designers, developers, and creatives
→ Anyone who invoices clients from their phone

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INVOICE STATUSES
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Track every invoice through its lifecycle:
DRAFT → SENT → PAID — with a PAID watermark stamped on settled invoices.

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MULTIPLE CURRENCIES
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Supports NGN ₦, USD $, GBP £, EUR €, GHS ₵, ZAR R, INR ₹ and more —
bill clients in their local currency.

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YOUR DATA STAYS ON YOUR DEVICE
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No account needed. No cloud sync. All invoices are stored locally on your
phone — private and always available offline.

Stop sending ugly invoice screenshots. Send professional PDFs and get paid faster.

What’s new

QuickInvoice is the fastest way to create professional invoices on your phone
and send them directly to your clients via WhatsApp, email, or PDF — no laptop
needed, no complicated setup.