paywalltools.com
webusage based

Orb Usage-based billing for AI and SaaS

Purpose-built for usage-based billing. Handles credits, seats, metered usage, and hybrid pricing. Designed specifically for AI products and modern SaaS.

Visit Orb

Pricing

Custom pricing (contact sales)

Best for

  • AI products
  • Usage-based pricing
  • SaaS
  • credits
  • metered
  • web
  • Usage-based billing
  • Teams scaling up

Pros

  • Advanced billing (usage, dunning, entitlements)

Cons

  • Steeper learning curve
  • You handle tax registrations yourself
  • Limited conversion / paywall optimization

Alternatives

Stripe Billing0.5–0.8% on top of standard Stripe fees. You handle taxes.

Subscription billing with full developer control

Compare Orb vs Stripe Billing
LagoSelf-hosted: free. Cloud: from $100/month

Open-source metering and usage-based billing

Compare Orb vs Lago
MetronomeCustom pricing (enterprise)

Usage-based billing for enterprise

Compare Orb vs Metronome
AmberfloFrom $500/month

Real-time metering and usage-based billing

Compare Orb vs Amberflo

Not sure which tool fits your project?

Answer 3 questions and get a personalized monetization stack recommendation.

Start the wizard