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SPECIFICTION
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FastBill vs Invoice Ninja

FastBill

fastbill.com

Invoice Ninja

invoiceninja.com

Side by side

FigureFastBillInvoice Ninja
Price from€10/mo$3.33/mo
Free plan—Yes
Free trialYes—
Open source——
WebYesYes
Windows—Yes
macOS—Yes
Linux—Yes
iOSYesYes
AndroidYesYes
APIYesYes
Self-hosted—Yes
Plans published47
Spec score · Freelance Invoicing Software8.3 (#15)8.9 (#7)
APIFastBill provides an XML/JSON web service API, and its documentation says requests are encrypted with SSL in transit.A REST API is available on Pro and Enterprise plans under the /api/v1 namespace.
IntegrationsFastBill states that it offers more than 30 partner integrations and a Zapier app connecting to more than 4,000 business tools.Invoice Ninja connects to Zapier, Make, Pabbly, n8n, Integrately, Gmail, MSN, QuickBooks, Slack, Mailchimp, Yodlee and GoCardless.
SecurityFastBill says it stores data on servers in Germany and provides two-factor authentication; its banking help page says finAPI transaction data is only visible to the account's main user by default.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.
SupportThe terms state that customer support is provided by ticket at [email protected], alongside an FAQ help center; Premium includes premium support.The company says customers can email the co-founders for support and also points users to community forums, Slack, and Discord.

Plans

FastBill

  • Solo€10 a month
  • Plus€15 a month
  • Pro€30 a month
  • Premium€59 a month

FastBill pricing →

Invoice Ninja

  • FreeFree
  • Ninja Pro$14 a month
  • Enterprise$18 a month
  • Self-hosting white-label$40 a year
  • Ninja Pro$140 a year
  • Premium BusinessPriced on request
  • Premium Business$280 a year

Invoice Ninja pricing →

In their own words

FastBill

FastBill has no write-up on Specifiction yet; its figures are above.

Visit fastbill.com

Invoice Ninja

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.

Visit invoiceninja.com