Every dev tool I install seems to weigh more than my IDE. My API client, the thing I use to fire off HTTP requests, sat at a few hundred megabytes on disk and used close to a gigabyte of RAM just sitting open in the background.
When we started Ironcall, keeping it small and fast wasn't a bullet point on a feature list. It was the whole reason we bothered. This post is about one decision that came out of that goal: using Rust and Tauri instead of Electron. What it costs, what it buys, and the numbers behind it.
The benchmark
I'll start with the data, since that's the only fair way to back up a "we're lighter" claim. Same machine, same task (app open, clean profile, nothing loaded), three clients:
Metric
