Flexprice handles usage metering, pricing logic, and invoice generation for AI and SaaS teams.
Alternatives to Zuora Billing
Lago is an open-source billing platform that links product usage and commercial terms to customer invoices.
Credyt is billing infrastructure for AI products, available through web and API.
- 4
Solvimon
Solvimon is billing and revenue management software for businesses that charge by usage or combine several pricing approaches.
Free planWebAPI7.2From $2,500 a month - 5

Meteroid
Meteroid brings subscription management, usage-based pricing, invoicing, and revenue tools together for SaaS, infrastructure, and AI companies.
Open sourceWebAPISelf-hosted7.1From €219 a month - 6

Orb
Orb is a web and API platform for usage-based billing, hybrid pricing, and revenue workflows.
WebAPI6.8 - 7

Aforo
Aforo is an API and agentic monetization platform for metering, pricing, selling, billing, and revenue recognition.
Free planWebAPI6.7Free plan - 8
Tridens Monetization
Tridens Monetization is billing, charging, and revenue management software for businesses with subscription, consumption-based, or hybrid models.
WebAPI6.7From $500 a month - 9

BillingPlatform Accounts Receivable
BillingPlatform Accounts Receivable automates payment collection, credits, refunds, and management of overdue accounts.
WebAPI6.4 - 10

OneBill
OneBill is a cloud-based Quote-to-Revenue-to-Care platform connecting quoting, billing, revenue management, and customer care.
WebAPI6.4 - 11

SAP CPQ
Web6.4From $24 a month - 12

Gotransverse
Gotransverse is a SaaS platform for billing and revenue management, positioned for enterprise finance and revenue operations teams with complex billing needs.
WebAPI6.3 - 13
6.2 - 14
Hyperline
Hyperline is a billing and revenue management platform for finance and operations teams.
WebAPI6.0From $299 a month - 15
Cheddar
Cheddar is a monetization platform for product-led growth and usage-based subscription billing.
WebAPI5.9From $599 a month - 16
Measure
Measure is revenue infrastructure that brings contracts, usage metering, billing, revenue recognition, commissions, and reporting into one product.
WebAPI5.9From $500 a month - 17

OpenMeter
OpenMeter measures usage, enforces access, and supports billing for AI, API, SaaS, and developer-tool products.
WebAPISelf-hosted5.9 - 18
Aria Billing
Aria Billing is an enterprise SaaS platform for automating billing and order-to-cash work for businesses with complex subscriptions and usage.
WebAPI5.8 - 19
Ubersmith
Ubersmith is a platform for businesses that sell digital infrastructure, including cloud, hosting, data center, telco or ISP, and managed services.
WebAPISelf-hosted5.7 - 20

LogiSense Billing
LogiSense Billing is a billing platform for businesses that charge based on usage, subscriptions, or a combination of models.
WebAPISelf-hosted5.4 - 21
m3ter
m3ter processes usage data, calculates charges, and supports quote-to-cash automation for usage-based billing.
WebAPI5.4 - 22
5.3From $99 a month - 23

Continuous Command
WebAPI5.3 - 244.6
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