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SPECIFICTION
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FastBill vs FreeAgent

FastBill

fastbill.com

FreeAgent

freeagent.com

Side by side

FigureFastBillFreeAgent
Price from€10/mo£4.17/mo
Free plan—Yes
Free trialYesYes
Open source——
WebYesYes
iOSYesYes
AndroidYesYes
APIYesYes
Plans published423
Spec score · Freelance Invoicing Software8.3 (#15)9.2 (#5)
APIFastBill provides an XML/JSON web service API, and its documentation says requests are encrypted with SSL in transit.The public API is HTTPS REST-style, uses OAuth 2.0, accepts JSON and XML, and supports GET, POST, PUT and DELETE methods.
BankingFastBill connects to more than 4,000 banks and supports credit cards and PayPal, with transaction matching for receipts and invoices.Bank feeds automatically import transactions and FreeAgent can categorise and match them.
HeadquartersFrankfurt am Main, GermanyEdinburgh, Scotland, UK
IntegrationsFastBill states that it offers more than 30 partner integrations and a Zapier app connecting to more than 4,000 business tools.Supported connections include Open Banking feeds, HMRC, Stripe, PayPal, GoCardless, Basecamp and many listed integration partners.
ProductFastBill is a cloud based invoicing and bookkeeping program for freelancers, self-employed people, and companies.FreeAgent is accounting software designed to automate business admin such as invoicing and expenses, streamline tax reporting and provide business insights and reports.
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.FreeAgent says it is Cyber Essentials Plus certified, uses fault-tolerant infrastructure and follows UK DPA 2018 and UK GDPR requirements.
SupportThe terms state that customer support is provided by ticket at [email protected], alongside an FAQ help center; Premium includes premium support.The pricing page says users can contact UK-based support accountants online or by phone.

Plans

FastBill

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

FastBill pricing →

FreeAgent

  • Sole trader£10 a month
  • Partnership or LLP£19 a month
  • Limited company£33 a month
  • FreeFree
  • Bank-account-funded accountFree
  • Eligible bank-account planFree
  • Landlord — billed monthly£5 a month
  • Smart Capture Unlimited add-on£5 a month
  • Sole trader — billed monthly£9.50 a month
  • Landlord monthly£10 a month

FreeAgent pricing →

In their own words

FastBill

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

Visit fastbill.com

FreeAgent

FreeAgent is accounting software for business administration, invoicing, expenses, tax reporting and business reports. It builds real-time accounts from bank statements, invoices and expenses, with Profit and Loss, Balance Sheet and Trial Balance reports. Users can create recurring invoices, automate late-payment reminders, turn estimates into invoices and accept payments through Stripe and PayPal. FreeAgent can generate MTD-compatible VAT returns and file them directly to HMRC; payroll calculates PAYE and National Insurance and can submit Real Time Information payroll to HMRC. Its iOS and Android apps cover expense recording, time tracking, invoice management and bank transaction reconciliation. It supports bank feeds from most UK banks via Open Banking and connections to HMRC for MTD VAT. The software is designed for small businesses, accountants and bookkeepers. A free plan is listed, alongside paid plans such as Sole trader at £10 a month and Limited company at £33 a month. Smart Capture includes up to 10 receipts and bills per month as standard; a paid Unlimited add-on removes that cap.

Visit freeagent.com