The Solo plan includes one user and one bank account; higher tiers change these allowances.
Teams should check included user and bank-account limits before comparing the headline subscription price.
Evidence source ↗
FastBill
FastBill is cloud accounting and invoicing software for German freelancers and small businesses, with receipt management, banking reconciliation, tax workflows, and DATEV connectivity.
7 key claims verifiedOur editorial team checked this profile against company information, vendor documentation, pricing information. Supported by 4 documented sources.
Editorial overview
Aggregated Overview
Official materials document invoicing, receipt processing, banking, tax preparation, integrations, and APIs. Public review evidence is very limited, and no hands-on testing was performed.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
FastBill Decision Snapshot
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Best suited to
German freelancers, service providers, and small businesses that want invoicing, receipt management, bank reconciliation, and DATEV handoff in one cloud service.
Look elsewhere if
Organizations needing complex inventory or full ERP workflows may outgrow the product; FastBill says it is not primarily designed for businesses with complex merchandise management or larger-company needs, and should evaluate alternatives such as sevdesk or Lexware Office instead.
Platforms
Android, API, iOS, SaaS, Web
TechZella assessment
7.0/10
FastBill — What Sets It Apart?
These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.
- The plan comparison specifies REST API call-rate limits, which range from 50 calls per hour on Solo to 1,000 calls per hour on Premium.
- The service combines German tax workflows, DATEV access, and structured invoice and receipt handling for collaboration with a tax adviser.
- Premium includes automated receipt processing, bank reconciliation, and a defined allowance of 20 automatic reminder cases.
FastBill Pros & Cons
Pros
- Combines invoicing, receipt management, banking, and German bookkeeping workflows.
- Supports DATEV exports and tax-adviser collaboration.
- Publishes API rate limits and plan-level user and bank-account allowances.
- Provides receipt-scanning apps for Android and iOS.
Cons
- Included users, bank accounts, automation, and API capacity vary by plan.
- Additional users and some receipt and reminder workflows can incur add-on charges.
- FastBill identifies complex inventory and larger-company ERP needs as poor-fit scenarios.
- Public third-party review evidence is sparse and includes only one Capterra review found.
FastBill Gotchas & Operational Limits
These are documented constraints or practical friction points that may matter before you adopt the product.
FastBill's pricing page lists plan-specific REST API rate limits, from 50 calls per hour on Solo to 1,000 calls per hour on Premium.
Integrations with frequent synchronization or high document volumes may need a higher tier or a different integration design.
Evidence source ↗Automatic payment reminders and document processing have included allowances or optional add-ons.
Buyers with high receipt or overdue-invoice volumes should verify expected monthly add-on charges.
Evidence source ↗FastBill Pricing & Plans
Solo
€10 monthly; €9/month with annual billing
month
One included user and one bank account. Includes invoicing, receipt management, DATEV export, tax workflows, and API access with a listed limit of 50 calls per hour.
Check current pricing →Plus
€15 monthly; €14/month with annual billing
month
One included user and five bank accounts, with expanded document management and multiple currencies. Listed API limit: 100 calls per hour.
Check current pricing →Pro
€30 monthly; €27/month with annual billing
month
Three included users, unlimited bank accounts, recurring invoices, team permissions, DATEV invoice data service, tax-adviser access, and Zapier integration. Listed API limit: 500 calls per hour.
Check current pricing →Premium
From €59 monthly; from €53/month with annual billing
month
Five included users, receipt automation, automatic bank matching, premium support, and 20 automatic reminder cases included. Listed API limit: 1,000 calls per hour.
Check current pricing →Pricing may change. Verify current plans on the vendor's website.
Quick Comparison
Compare the product with documented alternatives across the factors that can change a buying decision. Each row is evidence-backed rather than a generic feature checklist.
FastBill vs. sevdesk
Documented comparison| Decision factor | FastBill | sevdesk |
|---|---|---|
| Core scope | Invoicing, receipt management, banking, tax workflows, and DATEV-related collaboration. | Invoicing and accounting plans, with bookkeeping and analysis capabilities varying by plan. Source ↗ |
| API availability | FastBill lists REST API availability with plan-specific rate limits, starting at 50 calls per hour on Solo. | sevdesk lists its REST API in the Buchhaltung Pro tier. Source ↗ |
| Pricing model | Paid plans start at €10 monthly or €9 per month with annual billing; prices are net of VAT. | The public pricing page lists paid invoice, bookkeeping, and bookkeeping Pro plans, with displayed prices depending on term and offers. Source ↗ |
FastBill vs. Lexware Office
Documented comparison| Decision factor | FastBill | Lexware Office |
|---|---|---|
| Core scope | Invoicing and bookkeeping with document, bank, and German tax workflows. | Plans range from receipt capture to invoicing, bookkeeping, and tax features. Source ↗ |
| API availability | FastBill lists plan-specific REST API limits, beginning at 50 calls per hour on Solo. | Lexware Office lists API access in its XL plan. Source ↗ |
| Pricing model | Solo starts at €10 monthly or €9 per month with annual billing; listed prices are net of VAT. | Lexware Office publishes monthly subscriptions by version, with prices shown separately for S, M, L, and XL. Source ↗ |
Only factors supported by the available research are shown. The comparison is descriptive, not a ranking.
FastBill Competitors & Alternatives
Compare similar products directly, then see which alternatives may make more sense when your requirements differ.
At a glance
Accounting Software| Decision factor | FastBill | sevdesk | Lexware Office |
|---|---|---|---|
| Core scope | Invoicing, receipt management, banking, tax workflows, and DATEV-related collaboration. | Invoicing and accounting plans, with bookkeeping and analysis capabilities varying by plan. Source ↗ | Plans range from receipt capture to invoicing, bookkeeping, and tax features. Source ↗ |
| API availability | FastBill lists REST API availability with plan-specific rate limits, starting at 50 calls per hour on Solo. | sevdesk lists its REST API in the Buchhaltung Pro tier. Source ↗ | Lexware Office lists API access in its XL plan. Source ↗ |
| Pricing model | Paid plans start at €10 monthly or €9 per month with annual billing; prices are net of VAT. | The public pricing page lists paid invoice, bookkeeping, and bookkeeping Pro plans, with displayed prices depending on term and offers. Source ↗ | Lexware Office publishes monthly subscriptions by version, with prices shown separately for S, M, L, and XL. Source ↗ |
Only factors supported by the available research are shown. The comparison is descriptive, not a ranking.
Direct competitors
These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with FastBill.
Lexware OfficeDocumented difference - Core scope: Plans range from receipt capture to invoicing, bookkeeping, and tax features.
Overview
FastBill is cloud-based invoicing and accounting software from FastBill GmbH, a company based in Frankfurt am Main. The vendor says the product is intended mainly for freelancers, service providers, and small businesses, particularly in the German-speaking market.
Its workflows cover quotes, invoices, receipts, bank matching, financial summaries, and tax preparation. DATEV exports and adviser access support businesses that prepare bookkeeping records for an external tax professional.
FastBill Features
Invoicing and documents
- Create and send invoices and quotes
- Create recurring invoices on eligible plans
- Create ZUGFeRD and XRechnung e-invoices
- Manage delivery notes and order confirmations on eligible plans
- Customize invoice layouts
Accounting and tax workflows
- Record and organize receipts
- Track open invoices and financial summaries
- Export data in DATEV formats
- Use DATEV Rechnungsdatenservice 1.0 on eligible plans
- Prepare Umsatzsteuervoranmeldung workflows
Banking and automation
- Connect bank accounts within plan limits
- Match transactions with invoices and receipts
- Automate bank matching on Premium
- Use automated receipt processing on Premium
- Configure payment reminders and dunning workflows
Integrations and development
- REST API with plan-specific call-rate limits
- Zapier integration on Pro and Premium
- Partner integrations including DATEV and time-tracking services
- Shopify integration documented by FastBill
Demo & Screenshots
FastBill Specifications
| Deployment | Cloud SaaS accessed through a browser |
|---|---|
| Data hosting | Germany, according to current FastBill product materials |
| Mobile receipt scanning | Android and iOS apps |
| Free trial | 14 days |
| REST API rate limits | 50, 100, 500, or 1,000 calls per hour by plan |
| Included users | One on Solo and Plus; three on Pro; five on Premium |
| Additional users | €5 per month per user, according to the pricing page |
| E-invoice formats | ZUGFeRD and XRechnung |
| Tax and adviser workflows | DATEV export, DATEV Rechnungsdatenservice 1.0, and tax-adviser access on eligible plans |
Deployment & System Footprint
Verified installation, hosting, administration, or environment details that can affect implementation.
| Installation or hosting | Browser-based SaaS; FastBill says users do not need to install the main software locally. Source ↗ |
|---|---|
| Data hosting | FastBill's current product materials state that data is hosted in Germany. Source ↗ |
Migration & Lock-In
Documented portability, standards, export, or switching considerations. No switching-cost score is shown unless the evidence supports one.
Data portability
The product information describes exports for customer data, products and services, incoming and outgoing invoices, receipts, and DATEV formats.
Evidence source ↗Our evidence-based assessment
TechZella Score
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
7.0/10Moderate confidence
Official materials document invoicing, receipt processing, banking, tax preparation, integrations, and APIs. Public review evidence is very limited, and no hands-on testing was performed.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Editorial transparency
Our Review Methodology
Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.
TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 4 documented sources.
What TechZella adds
- The plan comparison specifies REST API call-rate limits, which range from 50 calls per hour on Solo to 1,000 calls per hour on Premium.
- The service combines German tax workflows, DATEV access, and structured invoice and receipt handling for collaboration with a tax adviser.
- Premium includes automated receipt processing, bank reconciliation, and a defined allowance of 20 automatic reminder cases.
Important limitations
- Included users and bank-account counts vary by plan, and additional users are a paid add-on.
- Premium includes 20 automatic reminder cases, while additional receipt processing and other add-ons can add to the subscription cost.
- The only verified third-party rating found was one dated Capterra review, which is insufficient to establish a current review consensus.
Evidence-backed claimsFastBill is cloud accounting and invoicing software primarily aimed at freelancers and small businesses. FastBill supports ZUGFeRD and XRechnung electronic invoices. FastBill offers DATEV exports and a DATEV invoice data service. FastBill exposes invoice and estimate workflows through a public API. FastBill's subscription tiers impose different REST API call-rate limits. FastBill offers mobile receipt scanning for Android and iOS. FastBill's published Solo, Plus, Pro, and Premium plans have different user and banking allowances.
FastBill describes its cloud product, target customers, and core invoicing and accounting functions.
View source ↗Verified 2026-10-18The product page lists creating, sending, and receiving e-invoices in both formats.
View source ↗Verified 2026-10-18The plan and product pages document DATEV export, DATEV Rechnungsdatenservice 1.0, and tax-adviser access.
View source ↗Verified 2026-10-18The API documentation describes reading, creating, and sending estimates and converting estimates into invoices.
View source ↗Verified 2026-10-18The official pricing comparison shows 50, 100, 500, and 1,000 calls per hour across its plans.
View source ↗Verified 2026-10-18FastBill's product page describes its scan app; official app listings confirm Android and Apple platform availability.
View source ↗Verified 2026-10-18The plan description lists one included user for Solo and Plus, three for Pro, five for Premium, and increasing bank-account allowances.
View source ↗Verified 2026-10-18FAQ
Does FastBill offer a free trial? The official product page advertises a 14-day free trial.
Does FastBill have an API? Yes. FastBill publishes API documentation for operations including estimates and invoices. API rate limits depend on the subscription plan.
Which platforms does FastBill support? The main product runs in a web browser. FastBill also lists receipt-scanning apps for Android and iOS.
Does FastBill connect with DATEV? FastBill documents DATEV export, DATEV Rechnungsdatenservice 1.0, and tax-adviser access.
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