Comparison

Invoice Ninja vs Stigg

On the evidence we track, Invoice Ninja leads this comparison with a composite score of 61/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Invoice Ninja61
Stigg50
Score
vioscaleAI score
Invoice Ninja61 / 100high · 75%
Stigg50 / 100medium · 63%
Pricing
Free tier
Invoice Ninja✓
Stigg✗
Model
Invoice Ninjafreemium
Stiggquote
Price level
Invoice Ninjalow
Stiggunknown
Transparent
Invoice Ninja✗
Stigg✗
Integrations
Count
Invoice Ninja1,000
Stigg2
Security
Certifications
Invoice Ninja–
StiggASC 606
Gdpr
Invoice Ninja✓
Stigg✓
Iso27001
Invoice Ninja–
Stigg✓
Pci
Invoice Ninja✓
Stigg–
Scorecard
Invoice Ninja4
Stigg–
Soc2
Invoice Ninja✓
Stigg✓
Reliability
Status page
Invoice Ninja✓
Stigg✓
Adoption
Dependent repos
Invoice Ninja0
Stigg–
Github stars
Invoice Ninja10,268
Stigg–
Activity
Commits last 30d
Invoice Ninja100
Stigg–
Release
Cadence days
Invoice Ninja1
Stigg–
History
Invoice Ninja20 items
Stigg–
Language
Primary
Invoice NinjaPHP
Stigg–
Market
Availability
Content
Faq
Invoice Ninja6 items
Stigg6 items

Capabilities

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

Core
Subscription billing
Invoice Ninja✓
Stigg✓
Usage metering
Invoice NinjaBasic
StiggReal-time
Pricing models
Invoice NinjaSubscription, time-based, project-based invoicing
StiggPer-call, tiered, credit-based, subscription plus overage, outcome-based
Invoicing & AR
Invoice Ninja✓
Stigg✓
Catalog management
Invoice Ninja✓
Stigg✓
Commerce
Merchant of record
Invoice Ninja-
Stigg-
Finance
Revenue recognition
Invoice Ninja-
StiggNative ASC 606
Tax handling
Invoice NinjaIntegration
Stigg-
Collections
Dunning
Invoice NinjaBasic retry
Stigg-
Integrations
GL / ERP sync
Invoice Ninja✓
Stigg✓
Ecosystem
API-first / developer-first
Invoice Ninja✓
Stigg✓
Deployment
Self-hostable
Invoice Ninja✓
Stigg✓
Insight
Revenue analytics
Invoice Ninja✓
Stigg✓

What each one is

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

Invoice Ninja

Leader

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

Stigg

A billing and entitlement platform that provides real-time usage metering, credit management, and enforcement logic for AI products and APIs, integrating with existing billing systems.

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

Leader
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 verify ↗

Stigg

Quote-based

Custom pricing; integrates with Stripe, ZUORA, and other billing providers

as of verify ↗

Platform & deployment

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

Platforms
Web
Invoice Ninja✓
Stigg✓
Android
Invoice Ninja✓
Stigg✗
macOS
Invoice Ninja✓
Stigg✗
Windows
Invoice Ninja✓
Stigg✗
Linux
Invoice Ninja✓
Stigg✗
Deployment
Cloud / SaaS
Invoice Ninja✓
Stigg✓
Self-hosted
Invoice Ninja✓
Stigg✓
Hybrid
Invoice Ninja✓
Stigg✗

Integrations

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

In common (1)
  • Stripe

Invoice Ninja

Leader
15 total - 14 not shared
  • PayPal
  • Square
  • GoCardless
  • Gmail
  • QuickBooks
  • Slack
  • MailChimp
  • Zapier
  • Make
  • Pabbly
  • Checkout.com
  • Helcim
  • PayFast
  • Nordigen
Independently observed

Stigg

5 total - 4 not shared
  • AWS Marketplace
  • Stripe App Marketplace
  • ZUORA
  • AWS API Gateway
Independently observed
Still deciding?

Invoice Ninja or Stigg: 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.