Coverage chart / KeyCastr
How to update KeyCastr on your Mac
KeyCastr is published as the Homebrew cask keycastr, and the app can also update itself. Below is how to run that update yourself, then how Floodtide does it for you, alongside every other app on the Mac. Homebrew describes KeyCastr as "Open-source keystroke visualiser".
Update KeyCastr by hand
- Let KeyCastr update itself. Open KeyCastr. It checks for new versions on its own, and if it has not offered one yet, look in the KeyCastr menu, or under Help or its preferences, for Check for Updates, then let it download and relaunch.
- Upgrade the Homebrew cask. If you installed KeyCastr with Homebrew, open Terminal and run
brew upgrade --cask keycastr. Homebrew downloads the current build, checks it against the checksum it publishes and replaces the app in your Applications folder. - Or download it from github.com. Otherwise get the current build from github.com, which is the same download Homebrew points at. Quit KeyCastr, open the download and put the new KeyCastr in Applications in place of the old one: a disk image is dragged across, an installer package runs its own steps. Your settings and documents live outside the app and are kept.
brew upgrade --cask keycastrThat is one app. The same walk, through a different menu or page each time, is what every other app on the Mac asks of you, which is where Floodtide comes in.
The shorter route: one click in Floodtide
Floodtide reads the same Homebrew record for KeyCastr that the brew command above does, without needing Homebrew installed, to learn which version is current. When yours is behind, the row appears under Updates with the version it will move to and the download size. Pressing Update, or Update All, does the rest:
- The vendor's own build is downloaded, several apps at a time, with real progress.
- The download is verified against the checksum the catalogue publishes.
- KeyCastr is asked to quit politely if it is open, and never forced.
- The bundle is swapped and the old version kept for seven days, so Undo Last Update always works.
- The replacement's code signature is checked; a build signed worse than the one you had is rolled back automatically.
Every download of KeyCastr is checked against the checksum Homebrew publishes before anything is replaced.
If KeyCastr lives in a folder macOS protects, the swap asks for your administrator password once for the whole batch, exactly as the Finder does when you install anything by hand.
What Floodtide knows about KeyCastr
- Floodtide reads
- the Homebrew cask keycastr
- Developer
- github.com
- Version the source named on 18 October 2026
- 0.11.1
- Downloads come from
- github.com
- Installed by Floodtide
- Yes, in one click, with the rest of your apps.
- Updates itself
- Yes, when you open it. Floodtide covers it anyway, so the Mac is checked whether or not you do.
- Each download is checked against
- the checksum Homebrew publishes
Read from the source on 18 October 2026. The app reads it live.
Questions about KeyCastr
Does Floodtide update KeyCastr?
Yes. KeyCastr also ships its own updater, so it can keep itself current when you launch it. Floodtide covers it anyway, because a self-updating app only updates when you happen to open it, and it tells you nothing about the other apps on the Mac. Floodtide shows KeyCastr beside everything else and updates the whole set in one pass.
How does Floodtide install a new version of KeyCastr?
It downloads the vendor's official build, verifies it against the checksum the catalogue publishes, quits KeyCastr if it is running, swaps the bundle, and keeps the previous version for seven days so the update can be undone.
Will updating KeyCastr lose my settings?
No. Floodtide replaces the application only. Preferences, licences and documents live outside it and are untouched.
More apps like this
Other apps people ask about, each with its own page of steps and its own source.
Next to KeyCastr in the list