Comparison

Invoice Ninja vs Quaderno

No clear leader: Invoice Ninja (60.6) and Quaderno (56.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Invoice Ninja full profile →Quaderno full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

Invoice Ninja61

Quaderno56

Attribute comparison across 2 tools
Attribute	Invoice Ninja	Quaderno
vioscaleAI score	61 / 100high · 75%	56 / 100low · 38%
Pricing
Free tierpricing.free_tier	✓	✗
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	mid
Starting pricepricing.starting_price	-	$24
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	1,000	8
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	✓	✓
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	4	-
Soc2security.soc2	✓	-
Trust centersecurity.trust_center	-	https://quaderno.io/blog/electronic-invoicing/e-invoicing-compliance/
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=hillelcoren%2Finvoice-ninja&per_page=100 · Last 12m: 0 · Max severity: MODERATE	-
Reliability
Sla pctreliability.sla_pct	-	99.99
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	10,268	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Cadence daysrelease.cadence_days	1	-
Historyrelease.history	20 items	-
Language
Primarylanguage.primary	PHP	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US, EU, BR, MX, CL, IN, KR, TW
Content
Faqcontent.faq	6 items	7 items

Score

vioscaleAI score

Invoice Ninja61 / 100high · 75%

Quaderno56 / 100low · 38%

Pricing

Free tier

Invoice Ninja✓

Quaderno✗

Model

Invoice Ninjafreemium

Quadernocommercial

Price level

Invoice Ninjalow

Quadernomid

Starting price

Invoice Ninja–

Quaderno$24

Transparent

Invoice Ninja✗

Quaderno✓

Integrations

Count

Invoice Ninja1,000

Quaderno8

Security

Disclosure policy

Invoice Ninja–

Quaderno✓

Gdpr

Invoice Ninja✓

Quaderno✓

Pci

Invoice Ninja✓

Quaderno–

Scorecard

Invoice Ninja4

Quaderno–

Soc2

Invoice Ninja✓

Quaderno–

Trust center

Invoice Ninja–

Quadernohttps://quaderno.io/blog/electronic-invoicing/e-invoicing-compliance/

Vulnerabilities

Invoice NinjaCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=hillelcoren%2Finvoice-ninja&per_page=100 · Last 12m: 0 · Max severity: MODERATE

Quaderno–

Reliability

Sla pct

Invoice Ninja–

Quaderno99.99

Status page

Invoice Ninja✓

Quaderno–

Adoption

Dependent repos

Invoice Ninja0

Quaderno–

Github stars

Invoice Ninja10,268

Quaderno–

Activity

Commits last 30d

Invoice Ninja100

Quaderno–

Release

Cadence days

Invoice Ninja1

Quaderno–

History

Invoice Ninja20 items

Quaderno–

Language

Primary

Invoice NinjaPHP

Quaderno–

Market

Availability

Invoice NinjaAvailable worldwide

QuadernoAvailable worldwide · Popular in US, EU, BR, MX, CL, IN, KR, TW

Content

Faq

Invoice Ninja6 items

Quaderno7 items

Capabilities

Feature-by-feature on the axes that matter for billing & invoicing software. “-” means undocumented, not absent.

Capability comparison for Billing & Invoicing Software
Capability	Invoice Ninja	Quaderno
Core
Subscription billing	✓	✓
Usage metering	Basic	Basic
Pricing models	Subscription, time-based, project-based invoicing	Tiered subscription with transaction-based limits
Invoicing & AR	✓	✓
Catalog management	✓	-
Commerce
Merchant of record	-	-
Finance
Revenue recognition	-	-
Tax handling	Integration	Native
Collections
Dunning	Basic retry	-
Integrations
GL / ERP sync	✓	✓
Ecosystem
API-first / developer-first	✓	✓
Deployment
Self-hostable	✓	✗
Insight
Revenue analytics	✓	✓

Core

Subscription billing

Invoice Ninja✓

Quaderno✓

Usage metering

Invoice NinjaBasic

QuadernoBasic

Pricing models

Invoice NinjaSubscription, time-based, project-based invoicing

QuadernoTiered subscription with transaction-based limits

Invoicing & AR

Invoice Ninja✓

Quaderno✓

Catalog management

Invoice Ninja✓

Quaderno-

Commerce

Merchant of record

Invoice Ninja-

Quaderno-

Finance

Revenue recognition

Invoice Ninja-

Quaderno-

Tax handling

Invoice NinjaIntegration

QuadernoNative

Collections

Dunning

Invoice NinjaBasic retry

Quaderno-

Integrations

GL / ERP sync

Invoice Ninja✓

Quaderno✓

Ecosystem

API-first / developer-first

Invoice Ninja✓

Quaderno✓

Deployment

Self-hostable

Invoice Ninja✓

Quaderno✗

Insight

Revenue analytics

Invoice Ninja✓

Quaderno✓

What each one is

The product in its own terms, so the numbers below have context.

Invoice Ninja

Provides invoicing, payment collection, expense tracking, and time tracking capabilities integrated into a single application. Available as a cloud-hosted service or self-hosted installation with full control over infrastructure.

Independently observed

Quaderno

A platform that automatically handles sales tax, VAT, and GST compliance in 150+ countries, including tax calculations, invoice generation, threshold monitoring, and tax return filing services.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Invoice Ninja

SubscriptionFree tier

Free forever. Pro pricing not shown. Enterprise pricing varies by users (1-100).

FreeFree
- 5 clients
- Unlimited invoicing
- 4 invoice templates
- Payment processing (Stripe, PayPal, Square, GoCardless)
- Recurring invoices and auto-billing
- +12 more
Pro-
- 11 invoice templates
- All Free plan features
EnterpriseContact sales
- 11 invoice templates
- Custom features and configuration

as of 2026-09-10verify ↗

Quaderno

from $24/moSubscription7-day trial

From $24/month. 7-day free trial.

Hobby$24/month
Growth$41/month
- Unlimited users
- Unlimited jurisdictions
- Unlimited integrations
- Team collaboration
Professional$83/month
- Unlimited users
- Unlimited jurisdictions
- Unlimited integrations
- Team collaboration
Business$124/month
- Unlimited users
- Unlimited jurisdictions
- Unlimited integrations
- Team collaboration
EnterpriseContact sales

as of 2026-10-07verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Invoice Ninja	Quaderno
WebPlatforms	✓	✓
AndroidPlatforms	✓	✗
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗
HybridDeployment	✓	✗

Platforms

Web

Invoice Ninja✓

Quaderno✓

Android

Invoice Ninja✓

Quaderno✗

macOS

Invoice Ninja✓

Quaderno✗

Windows

Invoice Ninja✓

Quaderno✗

Linux

Invoice Ninja✓

Quaderno✗

Deployment

Cloud / SaaS

Invoice Ninja✓

Quaderno✓

Self-hosted

Invoice Ninja✓

Quaderno✗

Hybrid

Invoice Ninja✓

Quaderno✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (5)

Stripe
PayPal
Square
GoCardless
Zapier

Invoice Ninja

15 total - 10 not shared

Gmail
QuickBooks
Slack
MailChimp
Make
Pabbly
Checkout.com
Helcim
PayFast
Nordigen

Independently observed

Quaderno

14 total - 9 not shared

Xero
Braintree
Hotmart
PEPPOL
TicketBAI
Facturae
Amazon
WooCommerce
Shopify

Independently observed

Still deciding?

Invoice Ninja or Quaderno: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.