Reads a CSV of user signups and activity logs, then generates a formatted Excel workbook with a retention cohort matrix. For Python developers analyzing product usage without BI tools. Saves hours of manual spreadsheet work.
Features
- Reads user signup dates and activity logs from CSV
- Calculates weekly or monthly retention percentages
- Generates a formatted Excel workbook with a cohort matrix
- Applies conditional formatting to highlight retention trends
- Exports a summary sheet with key metrics (e.g., overall retention rate)
Usage
retention_tool --signups signups.csv --activity activity.csv --output retention_report.xlsx --period monthly
Requirements
Python 3.8+. Install dependencies:
pip install -r requirements.txt
Download
Buy once, download immediately. ZIP includes the full script, README, and usage examples.
License
Personal & Commercial Use. You may use this tool in your own personal and commercial projects. Redistribution or resale of the source code is not permitted.