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About
Instant Invoice is a free online invoice generator built for freelancers, contractors, and small businesses who need to create and send professional invoices without the hassle of complex accounting software.
Create polished invoices in seconds with no signup required. Fill in your details, add line items, taxes, and discounts, then download as a PDF or send directly to your client. Support for 50+ currencies makes it ideal for international billing.
Choose from professionally designed templates across Business, Freelancer, Tech, Healthcare, and more — available in PDF, Word, and Excel formats.
Need it even faster? Use the AI Invoice Generator — simply describe your invoice in plain English and get a ready-to-download PDF instantly.
Upgrade to Pro at just $7/month for unlimited invoices, payment buttons, client management, and revenue tracking. Or grab a one-time credit pack from $1 — no subscription needed.
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About
The most successful businesses use online solutions for accepting payments. Octobat brings automatic and compliant tax invoice generation for every type of online operation. SaaS, ecommerce stores and marketplaces must issue invoices respecting specific national and international rules. Octobat supports one-off invoicing and fully automates recurring billing workflows. Thanks to our direct integrations and API, plug Octobat to your payment service providers and comply automatically with international and specific country regulations - Octobat helps you keep control of your billing workflow, supporting both recurring payments as well as one-time charges. Octobat support both one time or recurring invoicing. Issue and deliver your invoices each time a renewal occurs - compliance made recurring. Decide when you wish to send or not to send invoices and credit notes automatically to your customers - avoid manual duties and focus on your business.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Freelancers & independent contractors Small business owners Agencies & consultants Service-based professionals (designers, developers, photographers, etc.) Startups needing lightweight invoicing without accounting software
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Audience
Companies seeking a solution to manage compliant tax invoices on autopilot
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$7
Instant Invoice offers a free plan with 2 invoices to get started — no credit card required. Upgrade to Pro at $7/month for unlimited invoices, no watermarks, payment buttons, client management, and revenue tracking. Prefer not to subscribe? Grab a one-time credit pack from just $1 — no expiry, no commitment.
Free Version
Supported
Free Trial
Supported
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Pricing
$1 per month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Supported
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Company InformationInstant Invoice
Founded: 2025
United Kingdom
www.instantinvoice.io
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Company InformationOctobat
Founded: 2014
France
www.octobat.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Billing and Invoicing Features
Billing Portal
Supported
Contact Database
Supported
Contingency Billing
Not Supported
Customer Portal
Not Supported
Customizable Invoices
Supported
Dunning Management
Supported
Hourly Billing
Not Supported
Invoice History
Supported
Mobile Payments
Not Supported
Multi-Currency
Supported
Online Invoicing
Supported
Online Payments
Supported
Payment Processing
Supported
Project Billing
Not Supported
Recurring/Subscription Billing
Supported
Service Ticket Billing
Not Supported
Tax Calculator
Supported
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Integrations
QuickBooks Accountants
Not Supported
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