Invoice Maker & Billing App is the fastest invoice generator, estimate maker and receipt creator for Android. Create professional invoices, estimates, receipts and bills right from your phone. Built for contractors, freelancers and small-business owners, it combines the best-loved features of top-rated apps like Invoice Simple and Billdu while adding real-time payment tracking and offline mode.

🚀 Create invoices in seconds
• Start with a smart template, add your logo, client and items, then tap Send PDF – done.
• Convert estimates to invoices with one tap.
• Duplicate invoices, clone items, add discounts or tax rates (GST, VAT, sales tax).
• Works offline; syncs when you’re back online.

💰 Get paid faster
• Attach a Pay Now button (Stripe, PayPal & more) so clients can settle instantly.
• Automatic payment reminders and overdue notices mean no more chasing.
• Real-time status: know the moment an invoice is opened or paid.

📊 Stay organised at tax time
• Built-in expense & mileage tracker, GST/VAT calculation, plus one-tap export to CSV/PDF reports.
• All documents stored securely in the cloud and searchable by client, date or tag.

🎨 Look 100 % professional
• Ten designer invoice templates, unlimited colours, custom fields and digital signatures.
• Add photos, item barcodes and notes to impress your clients.

🌍 Made for growing businesses
• Multi-currency & multi-language, recurring invoices, inventory manager and automatic backup.
• Invite your team and keep everything synced across phone, tablet and web.

🔒 Your data is yours
• Bank-grade encryption, biometric login and full GDPR compliance.

–––

Why choose us?
Fans of Invoice Simple love the speed (“create & send professional invoices on the go”) while Billdu users enjoy the polished templates and on-the-spot payments. We combined these strengths, removed document limits and packed everything into one lightweight app—unlimited invoices free for your first month.

👉 Download today, send your first invoice in under one minute and watch how quickly you get paid!