01
Flexprice
Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access
Health97
Shipping100
Score98
Confidence81
Stars3.6k
ModeOpen Source
Subscription Billing
Alternatives to Invoice Ninja
Compare healthier or more active tools in the same use case using ToolVitals public evidence.
Why compare
Signals behind this alternatives page
- Maintenance and shipping signals are strong.
- Health score: 97/100.
- Shipping score: 100/100.
Ranked alternatives
Best-fit subscription billing options
02
Lago
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
Health95
Shipping88
Score92
Confidence94
Stars9.6k
ModeOpen Source
03
Lemon Squeezy
All-in-one platform for selling digital products and SaaS subscriptions.
Health87
Shipping75
Score85
Confidence78
ModeCommercial
04
Meteroid
Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights
Health85
Shipping72
Score79
Confidence77
Stars1.1k
ModeOpen Source
05
Subscribie
Collect recurring payments online - subscription payments collection automation
Health85
Shipping72
Score79
Confidence69
Stars63
ModeOpen Source
06
Kill Bill
Open-Source Subscription Billing & Payments Platform
Health81
Shipping56
Score70
Confidence85
Stars5.4k
ModeOpen Source
07
Autumn
Autumn is an open-source pricing & billing platform
Health80
Shipping0
Score44
Confidence75
Stars2.5k
ModeOpen Source
08
Lotus
Open Source Pricing & Packaging Infrastructure
Health73
Shipping0
Score40
Confidence61
Stars1.8k
ModeOpen Source