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Invoice Ninja

invoiceninja.com

From $3.33/mo Free plan WebWindowsmacOSLinuxiOSAndroid
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Spec score 9.0 #1 of 28 in Accounts Receivable Software

What it is

Invoice Ninja provides invoicing, payments, expenses, time tracking, and project tools for freelancers and small businesses. It supports recurring invoices, automatic billing, quotes, and 11 customizable invoice templates. Clients can pay invoices through gateways including Stripe, PayPal, Square, and GoCardless. Users can track billable time, manage projects with Kanban boards, and record expenses and vendors. Integrations include Zapier, Make, Pabbly Connect, and n8n; REST API access is available on Pro and Enterprise plans. Browser, macOS, Windows, Linux, iOS, and Android apps sync data across devices. The source-code-available product can also be deployed on a user's own server, which Invoice Ninja describes as free to self-host. For hosted use, the company says its platform completed a SOC 2 examination and lists TLS 1.2+ encryption in transit, AES-256 encryption at rest, and MFA availability. The free plan costs nothing and includes five clients, unlimited invoicing, and 11 templates. Ninja Pro costs $14 a month, and Enterprise costs $18 a month, with Enterprise pricing scaled by account users.

Spec sheet

What it does
Invoice Ninja combines invoicing, online payments, expenses, time tracking and project management for freelancers and small businesses.Read 14 Oct 2026 · invoiceninja.com
Purpose
Invoice Ninja provides freelancers and small businesses invoicing, payments, expenses, time tracking, and project tools.Read 29 Sep 2026 · invoiceninja.com
Audience
Invoice Ninja says it launched in 2014 to build a suite of apps for freelancers and small businesses.Read 29 Sep 2026 · invoiceninja.com
API
A REST API is available on Pro and Enterprise plans under the /api/v1 namespace.Read 14 Oct 2026 · invoiceninja.github.io
Integrations
Invoice Ninja connects to Zapier, Make, Pabbly, n8n, Integrately, Gmail, MSN, QuickBooks, Slack, Mailchimp, Yodlee and GoCardless.Read 14 Oct 2026 · invoiceninja.com
Security
Invoice Ninja states that its hosted platform has SOC 2 certification, PCI-DSS and GDPR compliance, TLS 1.2+ in transit, AES-256 at rest, MFA, role-based access and audit logging.Read 14 Oct 2026 · invoiceninja.com
Support
The company says customers can email the co-founders for support and also points users to community forums, Slack, and Discord.Read 29 Sep 2026 · invoiceninja.com
Founded
2014Read 23 Sep 2026 · invoiceninja.com
Maker
LinkedIn lists Invoice Ninja as privately held, founded in 2014, headquartered in Fort Myers, Florida, with 2–10 employees.Read 14 Oct 2026 · linkedin.com
Apps
Invoice Ninja offers browser, macOS, Windows, Linux, iOS, and Android apps that sync data across devices.Read 29 Sep 2026 · invoiceninja.com
Architecture
The backend uses Laravel, while the desktop and mobile admin portal uses Flutter; the web admin portal is a separate React application.Read 14 Oct 2026 · invoiceninja.github.io
Client portal
Clients receive a branded portal for invoices, payments, documents, saved payment methods and e-signature or approval workflows.Read 14 Oct 2026 · invoiceninja.com
Company history
Invoice Ninja says it was founded in 2014, is bootstrapped and founder-run, and has more than 200,000 businesses using it.Read 14 Oct 2026 · invoiceninja.com
Documentation
Documentation covers hosted setup, user workflows, API endpoints, developer architecture, installation and troubleshooting, with community forums and Slack support.Read 14 Oct 2026 · invoiceninja.github.io
E-invoicing
Supported e-invoice formats include PEPPOL, ZUGFeRD/XRechnung, Facturae, Verifactu, FatturaPA, FACT1 and EN16931.Read 14 Oct 2026 · invoiceninja.github.io
Expenses and vendors
The product tracks expenses and vendors, supports purchase orders, expense reports, bank synchronization on Enterprise, and re-invoicing expenses to clients.Read 14 Oct 2026 · invoiceninja.com
Invoicing
Users can create branded invoices and quotes with product libraries, customizable templates, custom numbering, deposits, partial payments and bulk emailing.Read 14 Oct 2026 · invoiceninja.com
Legal name
Crunchbase identifies the legal entity as Invoice Ninja LLC and lists Shalom Stark as co-founder and CEO and David Bomba as CTO.Read 14 Oct 2026 · crunchbase.com
Licence
The source code is distributed under Elastic License 2.0, which permits business use and modification but restricts competing hosted resale; it is source-available rather than OSI open source.Read 14 Oct 2026 · invoiceninja.github.io
Limit: Apple users
One Apple reviewer reports repeated freezes and crashes while entering new information.Read 14 Oct 2026 · apps.apple.com
Limit: G2 users
G2 reviewers report that the many options can feel overwhelming and that the product is primarily invoicing/business management rather than full accounting.Read 14 Oct 2026 · g2.com
Limit: GetApp users
GetApp includes complaints about difficult communication with support and dissatisfaction after version migrations.Read 14 Oct 2026 · getapp.com
Limit: reporting and support
Merchant Maverick identifies recurring complaints about no phone support, limited reporting and no reports on the free plan.Read 14 Oct 2026 · merchantmaverick.com
Limit: Trustpilot complaints
Trustpilot reviewers describe migration failures, unresolved bugs and unhelpful or slow customer service, including problems creating expenses and sending invoices.Read 14 Oct 2026 · trustpilot.com
Notable news
Invoice Ninja announced that prices would increase from January 1, 2026, including Pro at $14/month and self-hosted white-labeling at $40/year.Read 14 Oct 2026 · invoiceninja.com
Outages
StatusGator reported Invoice Ninja operational on September 14, 2026, while recording an officially acknowledged outage on June 14, 2026 and more than 263 historical outage events affecting users.Read 14 Oct 2026 · statusgator.com
Payment data
Invoice Ninja says payment card details are handled by the selected payment gateway and that it does not store full card numbers.Read 29 Sep 2026 · invoiceninja.com
Payments
The service supports one-click client payments, recurring billing, ACH or bank transfers and gateways including Stripe, PayPal, Square, GoCardless, Authorize.net and Mollie.Read 14 Oct 2026 · invoiceninja.com
Praise: Apple users
Apple reviewers commonly praise the free tier, ease of use, customization, time tracking and quick invoice creation.Read 14 Oct 2026 · apps.apple.com
Praise: G2 users
G2 reviewers repeatedly praise ease of use, flexibility, automation, self-hosting and the amount of functionality in the free version.Read 14 Oct 2026 · g2.com
Praise: GetApp users
GetApp analysis says support is often fast and responsive, with reviewers also highlighting low maintenance and strong value.Read 14 Oct 2026 · getapp.com
Projects
Projects include Kanban boards, task assignment, budgets, progress tracking and categorization.Read 14 Oct 2026 · invoiceninja.com
Projects and expenses
Users can track billable time, manage projects with Kanban boards, and track expenses and vendors.Read 29 Sep 2026 · invoiceninja.com
Rating on Apple App Store
4.6 out of 5 from 177 ratingsRead 14 Oct 2026 · apps.apple.com
Rating on G2
4.3 out of 5 from 22 reviewsRead 14 Oct 2026 · g2.com
Rating on GetApp
4.7 out of 5 from 167 reviewsRead 14 Oct 2026 · getapp.com
Rating on Google Play
4.7 out of 5 from 612 reviewsRead 14 Oct 2026 · play.google.com
Rating on Merchant Maverick
4.6 out of 5 review-site aggregateRead 14 Oct 2026 · merchantmaverick.com
Rating on Trustpilot
2.8 out of 5 from 6 reviewsRead 14 Oct 2026 · trustpilot.com
SDK
The project repository lists a Go SDK for easier API consumption.Read 14 Oct 2026 · github.com
Self-hosting
Self-hosted deployments are offered through manual server installation, Docker or Podman, Cloudron, Softaculous, Elestio and YunoHost.Read 14 Oct 2026 · invoiceninja.github.io
System requirements
Self-hosting requires PHP 8.2 with listed extensions, MySQL 5.7+ or MariaDB 10.3+, and nginx or Apache with HTTPS.Read 14 Oct 2026 · invoiceninja.github.io
Time tracking
Built-in timers record billable work, and completed tasks can be converted into invoice lines.Read 14 Oct 2026 · invoiceninja.com

Plans and prices

Free Free forever 5 clients · unlimited invoicing · 11 templates · online payments · recurring invoices · projects/time tracking · expense tracking · client portal Read 14 Oct 2026 · invoiceninja.com
Ninja Pro $14 a month billed monthly; $140/year annual billing unlimited clients and invoices · remove Invoice Ninja branding · custom designs · API integration · reports · reminders · 10 companies per login Read 14 Oct 2026 · invoiceninja.com
Enterprise $18 a month billed monthly; annual billing available; scales by users 1–2 users at $18/month · up to 100 users · permissions · attachments · branded portal · bank sync · e-invoicing/PEPPOL Read 14 Oct 2026 · invoiceninja.com
Self-hosting white-label $40 a year annual removes self-hosted Invoice Ninja branding Read 14 Oct 2026 · invoiceninja.com
Ninja Pro $140 a year Annual plans billed as a single yearly payment Unlimited clients and invoices · API integration · Automatic payment reminders Read 29 Sep 2026 · invoiceninja.com
Premium Business Priced on request From $280/year · Let's talk! All Pro and Enterprise features · Direct priority support · Developer concierge Read 29 Sep 2026 · invoiceninja.com
Premium Business $280 a year from $280/year; custom pricing developer concierge · priority support · invoice design service · priority feature requests · migration assistance · custom reports Read 14 Oct 2026 · invoiceninja.com

Every Invoice Ninja plan and price →

Strong points and limits

Strong points

  • Free plan includes unlimited invoicing
  • Supports recurring invoices and automatic billing
  • Clients can pay through several listed gateways
  • Available apps sync data across devices

Limits

  • Free plan is limited to five clients
  • REST API access requires Pro or Enterprise
  • Enterprise pricing scales by account users

Who it suits

Invoice Ninja suits freelancers and small businesses that need billing, payment collection, expense tracking, or project tools. Its self-hosted option may suit users who want to deploy the source-code-available product on their own server.

Invoice Ninja in depth

Read the full write-up

Invoice Ninja combines invoicing and payment collection with time, project and expense management for freelancers and small businesses. It is most compelling for service businesses that will use that wider toolkit or want to self-host; the five-client ceiling on its free hosted plan makes the paid tiers the more practical choice as a client roster grows.

Overview

Recurring invoices, automatic billing and quotes sit alongside invoice tracking, overdue-balance reports, payment reminders and a customer payment portal. That makes Invoice Ninja useful not just for issuing bills but for following up on them. Clients can pay through supported gateways including Stripe, PayPal, Square and GoCardless.

Beyond billing, users can track billable time, manage projects with Kanban boards, and track expenses and vendors. This breadth can consolidate several routine business tasks, but is less of an advantage for someone who needs only a straightforward way to send invoices.

Key features

Invoicing: Recurring invoices, automatic billing and quotes cover repeat work as well as one-off jobs. Eleven customizable templates provide options for invoice presentation.

Payments and follow-up: Gateway support, payment reminders, invoice tracking, overdue-balance reports and a customer portal provide tools for collecting and monitoring payments. Invoice Ninja says payment card details are handled by the selected gateway and that it does not store full card numbers.

Time, projects and expenses: Billable-time tracking, Kanban project boards, and expense and vendor tracking suit businesses that need billing connected to their work.

Connections: Zapier, Make, Pabbly Connect and n8n integrations support automation workflows. REST API access is reserved for Pro and Enterprise, so users who need API integration must move beyond Free.

Security and support: Invoice Ninja says its hosted platform has completed a SOC 2 examination and lists TLS 1.2+ encryption in transit, AES-256 encryption at rest and MFA availability. It says customers can email the co-founders for support, and also points to community forums, Slack and Discord.

Pricing

The free plan is genuinely free forever, but limited to five clients. It includes unlimited invoicing and all 11 invoice templates, making it a useful starting point for a freelancer with a small client list; the client cap is a meaningful constraint for anyone building a larger book of business.

Ninja Pro costs $14 a month, billed monthly, and removes the client limit while retaining unlimited invoices. It adds API integration and automatic payment reminders, making it the clearest step up for growing businesses or those needing programmatic access. Enterprise costs $18 a month, billed monthly, with pricing scaling by account users; it supports up to 100 users and includes 250 PEPPOL credits. That makes it the team-oriented tier, though the per-user scaling matters when estimating the cost of a larger account.

Premium Business priced on request, billed from $280/year, and is positioned around all Pro and Enterprise features, direct priority support and developer concierge. It is aimed at customers who need that higher-touch assistance rather than a basic invoicing subscription. Invoice Ninja also describes self-hosting as free, with source code available for deployment on a user's own server.

Platforms

Invoice Ninja offers browser, macOS, Windows, Linux, iOS and Android apps, with data syncing across devices. Self-hosting is another option for users who want to deploy the source-code-available product on their own server. The platform range is broad; the choice between hosted service and self-managed deployment is likely to matter more than device coverage for most buyers.

Who it's for

Freelancers and small businesses that bill clients for ongoing or project-based work are the natural fit, particularly when time tracking, expenses and project management belong in the same workflow as invoicing. A solo operator can start on Free if five clients are enough. Businesses that need more clients, API access or a larger team have clear paid tiers to consider. It is a weaker fit for users who want only a minimal invoicing tool and would not use the additional work-management features.

Pros and cons

Pro: Invoicing, payment follow-up, billable time, projects and expenses share one product, which suits service businesses managing work and billing together.

Pro: Hosted and free self-hosted options, plus desktop and mobile apps, give buyers flexibility over deployment and access.

Pro: The free plan includes unlimited invoices and 11 templates, making the five-client cap its main constraint rather than an invoice quota.

Con: Free stops at five clients, so businesses that outgrow that roster need a paid plan.

Con: API access starts at Pro, and Enterprise pricing scales with account users; access and team growth therefore affect the subscription decision.

Con: The broad feature set may be unnecessary for someone seeking invoice creation alone.

Alternatives

For a free invoicing option, Zoho Invoice is free forever for Indian businesses and supports up to two users, three projects and 500 invoices per year; consider it when those caps fit better than Invoice Ninja's five-client free tier. InvoiceShelf is another free, open-source self-hosted option, with unlimited invoices and customers and no seats or subscription, so it may suit buyers who prioritize those limits over Invoice Ninja's broader feature mix.

BILL Accounts Payable combines accounts payable and accounts receivable in its Essentials plan at $49 a month, billed monthly, and offers a free trial; choose it when that AP-and-AR scope is the priority. InvoiceSherpa offers a Sole Proprietor plan at $41 a year, billed $41/mo, with up to 100 open invoices, custom scripting and scheduling, and payment and accounting software integration; it is worth considering when those invoice-follow-up capabilities are the focus.

ezyCollect starts with an EZYSTART plan at $275 a year, billed annually, capped at 200 monthly average active debtors, three users and one workflow; consider it when a defined debtor and workflow allowance suits the operation. Invoiced uses custom pricing based on requirements and use, with a demo offered for a quote. Emagia Receivables Management is an enterprise receivables-management option with pricing by inquiry. Versapay offers tailored quotes that vary with invoice volume, customer count, users, integrations and capabilities.

Readers comparing by category can also explore Accounts Receivable Software, Freelance Invoicing Software, Time and Expense Software, Time Billing Software and Invoicing software.

Verdict

Choose Invoice Ninja if you are a freelancer or small business that wants invoicing, payment collection and project-related administration under one roof, especially if self-hosting matters. The free tier is a credible starting point for up to five clients, while Pro is the practical upgrade for an expanding client base or API needs. Look elsewhere if your workflow needs only simple invoicing, or if the client cap and user-scaled Enterprise pricing do not fit.

Verdict

Invoice Ninja covers invoicing, payments, time and expenses, and project management, with hosted and self-hosted options. Check plan details for client limits and API access before choosing.

Where Specifiction places it

Alternatives to Invoice NinjaAll alternatives →