Invoice Smarter.
Grow Faster.
The all-in-one invoicing and client management platform for freelancers and growing businesses. Start with a 14-day trial, then continue with Pro or Business when you are ready.
Everything you need
Built for real businesses,
not spreadsheets
From invoicing to AI-powered insights — Astrynox covers every workflow so you can focus on growing your business, not managing paperwork.
Smart Invoicing
Generate professional invoices in seconds. Auto-numbering, line items, taxes, and payment terms — all configurable.
Quotation Management
Send polished quotations and convert them to invoices with a single click. Track acceptance and expiry automatically.
Client Hub
Centralise all client info, transaction history, outstanding balances, and contact details in one place.
Product Catalog
Maintain your full catalogue of services and products with pricing snapshots so historical invoices stay accurate.
PDF Templates
Choose Classic, Modern, or Minimal. Every PDF is branded with your logo, address, and contact details.
Email Delivery
Send invoices and quotations directly to clients as PDF attachments right from the platform — no extra tools.
Role-Based Access
Assign Super Admin, Accountant, Sales, or Viewer roles to team members with granular permission control.
Audit Trail
Every action on every document is logged with timestamp and user. Full accountability for your organisation.
Trial and Paid Access
Every organization starts with a 14-day trial. Pro and Business access can be activated by the admin when you are ready to continue.
Private AI Assistant
Chat with your financial data in plain language. Ask about revenue, outstanding amounts, top clients, and more.
Predictive Analytics
AI-powered revenue forecasting and cash flow predictions. Identify at-risk clients before they go overdue.
Automated Follow-ups
Intelligent agents that automatically chase overdue invoices with personalised, timely reminders — no manual effort.
AI Features for Business
Business PlanBusiness includes AI-enabled workflows. Pro keeps the standard invoicing, quotation, client, product, team, reporting, and audit features without AI.
Simple by design
Up and running in three steps
Start on trial, complete onboarding, and keep using the platform after paid activation by the admin.
Start Your Trial
Create an organization from the public registration flow or accept an admin invite. Every organization starts with 14 days of free use.
- 14-day trial
- No payment required to begin
- Admin invite supported
Complete Onboarding
Invited users change their temporary password, verify the registered email by OTP, and complete organization details.
- One-time password
- Email OTP verification
- Organization profile setup
Continue With Paid Access
Use the platform during the trial. After 14 days, contact the admin to activate Pro or Business and keep working.
- Pro without AI features
- Business with AI features
- Manual paid activation
Getting started
From trial signup to paid access in one guided flow
Start with a 14-day trial, complete onboarding, and continue with Pro or Business once the admin activates your paid plan.
Create or Accept Invite
Register publicly to start a 14-day trial, or use the admin invitation sent to your registered organization email.
Secure First Login
Invited users sign in with a generated username and one-time password, then set a new password.
Verify Registered Email
Confirm the organization email with an OTP before completing the rest of the workspace setup.
Complete Organization Details
Add the same organization details used by the standard registration flow, including branding and contact details.
Use the 14-Day Trial
Add clients, products, quotations, invoices, team members, and settings while the trial is active.
Activate Paid Access
After the trial, contact the admin to continue on Pro without AI features or Business with AI features.
Transparent pricing
Start with a 14-day trial, continue with Pro or Business
Every organization starts on trial. When the trial ends, contact the admin to activate Pro or Business.
Full access to start using the platform before choosing a paid plan.
For businesses that need the core invoicing platform without AI features.
For teams that want the complete platform with AI-enabled workflows.
Trial ended or need paid access?
Loved by teams
Trusted by freelancers and SMBs worldwide
See what our customers say about switching to BillFlow.
BillFlow completely changed how I handle client billing. I used to spend hours creating invoices in Figma. Now I just add the hours and hit send. The PDF templates look super professional.
The quotation-to-invoice flow is seamless. We send proposals faster and our close rate improved because clients receive a polished, branded document within minutes of a call.
Finally a tool that doesn't overcomplicate things. Clean, fast, and my accountant loves the audit trail. I recommended BillFlow to three other consultants in my network last month.
We switched from a spreadsheet nightmare to BillFlow and never looked back. The multi-user access means my sales team can create quotes while my accountant tracks payments — all in one place.
As a solo freelancer, I needed something lightweight but professional. BillFlow nails it — great default templates, easy client management, and the email-PDF-directly feature saves me so much time.
Got questions?
Frequently asked questions
Everything you need to know about the 14-day trial, onboarding, and paid access.