Show HN: Ratio – a notepad that calculates as you type

Category: other

Tags: calculator, notepad, macos, productivity, unit-conversion

Score: 3.8/10 (Innovation: 4, Technical: 4, Documentation: 2, Utility: 5)

Ratio is a notepad calculator app for Mac (with Windows/Linux planned) that computes expressions inline as you type, including unit and currency conversions. It appears to be a closed-source commercial product with only release binaries hosted on GitHub.

Target audience: general users, finance and operations professionals

Repository: https://useratio.app/

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