Seikyu: Invoice & Quote MakerSeikyu: Invoice & Quote Maker
Invoices in one minute. No subscription — buy once, it's yours.
Download on the App Store
Screenshots
Features
Create in one minute
Quotes, invoices and receipts with automatic numbering. Fill in a few fields and a professional document is ready to send.
Buy once, no subscription
One small one-time purchase. No monthly fees, no locked features, no expiring trial — it just works, forever.
Completely offline & private
No account, no cloud, no tracking, no data collection. Everything stays on your phone, and it works anywhere — even with no signal.
Japan qualified invoice ready
Japan mode fully supports the qualified invoice system (インボイス制度), including the registration number and a per-rate tax breakdown.
Reusable clients and items
Save clients and line items once, then add them with a tap. Per-line tax rates and totals are calculated automatically — ideal for GST.
PDF sharing & payment tracking
Share crisp PDFs by email or any app, mark documents as draft, sent or paid, and see your outstanding total at a glance.
Make a clean, professional invoice in one minute — no account, no subscription, no cloud.
Invoice Maker is the invoicing app the way it should be: you buy it once, it works forever, and your business data never leaves your phone. Create quotes, invoices and receipts, share them as beautiful PDFs, and get back to work.
WHY PEOPLE SWITCH TO INVOICE MAKER
- One-time purchase — no monthly fees, ever
- Completely offline — works on a plane, on the job site, anywhere
- No signup, no tracking, no data collection. Your clients stay yours
CREATE IN SECONDS
- Quotes, invoices and receipts with automatic numbering
- Reusable clients and items — tap to add
- Quantity, unit price, per-line tax rates and automatic totals
- Discounts, notes and payment details
BUILT FOR SOLE TRADERS AND SMALL BUSINESSES
- Your currency, your number format — automatically from your device
- Freely configurable tax rates — perfect for GST
- Japan mode: fully compatible with the qualified invoice system (インボイス制度) — registration number and per-rate tax breakdown
SHARE AS PDF
- Crisp, professional PDF layouts
- Send by email, message or any app straight from the share sheet
- Mark documents as sent or paid, and track what's outstanding
Note: in countries where structured e-invoicing is mandatory for B2B (e.g. CFDI, NF-e, FatturaPA), use Invoice Maker for quotes, receipts and records.
Your invoices, your data, your phone. That's it.