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Head-to-head · Usage-Based Billing Software

Aforo vs Lago

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Aforo #1 in Usage-Based Billing Software 9.4/10 Free plan Free plan✓ 4 of 4 features Visit Aforo
Lago #2 in Usage-Based Billing Software 9.3/10 Free plan Free plan✓ 0 of 4 features Visit Lago

Aforo leads on 0 checks, Lago on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAforo · 9.4/10
  • Free planboth
  • Most featuresAforo · 4 of 4

Aforo scores higher on our rubric for usage-based billing software: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

Aforo is the better fit for AI and API businesses needing broad billing. Lago is the better fit for teams wanting open-source usage billing.

  • Aforo fits best

    AI and API businesses needing broad billing

  • Lago fits best

    Teams wanting open-source usage billing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Aforo 9.4/10 Visit ↗ Lago 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in Usage-Based Billing Software #2 in Usage-Based Billing Software
Best for AI and API businesses needing broad billing Teams wanting open-source usage billing
Pricing model Free plan + paid Free
Starting price — Free
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web
Integrations 20+ integrations 7 integrations
Features Aforo 4/4 · Lago 0/4
API metering ✓ (best) Not checked yet
Event ingestion ✓ (best) Not checked yet
Prepaid credits ✓ (best) Not checked yet
Invoice generation ✓ (best) Not checked yet
Specs
Billing model Hybrid Not checked yet
Rating methods per-unit, tiered, volume, graduated, flat, percentage, included quota, hybrid Not checked yet
Our review
Pros
  • Six pricing models plus quota, entitlement, and margin controls
  • Prepaid wallets, invoicing, payment retries, and dunning
  • Integrations across API gateways, ERPs, payments, and AI platforms
  • AGPLv3-licensed self-hosting with usage metering
  • Supports hybrid pricing, invoices, wallets, portals, and analytics
  • REST API, SDKs, webhooks, tax tools, and seven integrations
Cons
  • Starter is limited to 50K events per month
  • Starter includes one storefront and Community support
  • Growth and Enterprise pricing requires contact with sales
  • Does not process payments directly
  • Lago Premium pricing requires contacting Lago
  • Automatic dunning is limited to Lago Premium
Our verdict

Aforo is a usage-based monetization platform for companies selling APIs, AI services, agent workflows, and MCP servers. It ingests usage events through API gateways and SDKs, applies configurable rate plans, enforces quotas and…

Read the review →

Lago is an open-source billing platform for companies using usage-based, subscription, prepaid, or hybrid pricing. It captures product usage, applies pricing rules, generates invoices, connects with payment providers, and provides billing…

Read the review →
  1. AforoUsage-Based Billing Software 9.4Free plan
  2. LagoUsage-Based Billing Software 9.3Free plan

Strengths and trade-offs

  • Aforo — where it wins

    • Six pricing models plus quota, entitlement, and margin controls
    • Prepaid wallets, invoicing, payment retries, and dunning
    • Integrations across API gateways, ERPs, payments, and AI platforms

    Where it doesn't

    • Starter is limited to 50K events per month
    • Starter includes one storefront and Community support
    • Growth and Enterprise pricing requires contact with sales
  • Lago — where it wins

    • AGPLv3-licensed self-hosting with usage metering
    • Supports hybrid pricing, invoices, wallets, portals, and analytics
    • REST API, SDKs, webhooks, tax tools, and seven integrations

    Where it doesn't

    • Does not process payments directly
    • Lago Premium pricing requires contacting Lago
    • Automatic dunning is limited to Lago Premium
  • Aforo9.4/10 · Free plan

    A broad usage-billing platform with a free entry tier and advanced metering.

    Visit AforoFull verdict →
  • Lago9.3/10 · Free plan

    A broad billing platform for teams building programmable usage and subscription workflows.

    Visit LagoFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update