ChurnLens

6.7easy start · #14 of 22
in Subscription Analytics Software

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Windows.

ChurnLens is ranked #14 of 22 in subscription analytics software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on subscription analytics software

Retention & churn metrics: Yes
Expansion analysis: Yes
Unit economics: Yes
Data sources: billing

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The record

Purpose: ChurnLens is a self-hosted SaaS metrics tool for MRR, churn, and LTV using Stripe or CSV data.
Metrics report: Its report includes current MRR, ARR run-rate, active customers, average customer churn, and monthly MRR, churn, and LTV figures.
MRR movement: The mrr command breaks down latest-month MRR movement into new, expansion, reactivation, contraction, and churned MRR.
Output formats: The report and mrr commands support JSON output and a currency label, with USD as the default.
Automation: The README describes recomputing metrics from ledger updates and publishing JSON to a BI or dashboard pipeline.
Self-hosting: The repository describes ChurnLens as self-hostable and says it requires no account.
Platforms: The README lists Linux, macOS, Windows, Docker, and cloud deployment on AWS, Azure, GCP, or Kubernetes.
Integrations: The README lists CSV input, JSON output, SARIF for code scanning, an MCP server for AI agents, and a webhook forwarder for SIEM, Slack, and Jira.
AI and CI usage: The README says ChurnLens can be used through MCP, piped as JSON into agents or LLMs, or in CI with exit codes and SARIF.
License and commercial use: The source-available COCL v1.0 license permits personal, internal evaluation, research, and educational use; commercial use requires a separate license.
Security reporting: The security policy asks users to report vulnerabilities privately by email and says the team aims to acknowledge reports within three business days.
Supported security versions: Until the tool reaches v1.0, the security policy says only the latest released version receives security fixes.
Maker location and founding: Cognis Digital says it was founded in Wyoming in 2024.
Reports: Its full report includes current MRR, ARR run-rate, active customers, average customer churn, and monthly metrics including net-new MRR and LTV.

Where it ranks on The Geeks Club

Best Subscription Analytics Software in 2026#14 of 22

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Sources

github.com/cognis-digital/churnlens· checked 5 Oct 2026
github.com/cognis-digital/churnlens/blob/main/LICE· checked 5 Oct 2026
github.com/cognis-digital/churnlens/blob/main/SECU· checked 5 Oct 2026
cognis.digital· checked 5 Oct 2026