It's a web app, so there's nothing to download from a store. Add it once and it opens full-screen, works offline, and updates itself. Takes about ten seconds.
You're on a computer. Click the install icon in your browser's address bar, or just bookmark app.greensideyard.com, then follow the phone steps below when you're on mobile.
In SafariYour device
1
Tap the Share button
It's in the toolbar: bottom on iPhone, top on iPad.
2
Choose "Add to Home Screen"
Scroll the share sheet down a little to find it.
3
Tap "Add"
Greenside lands on your home screen like any other app.
In ChromeYour device
1
Tap the menu
The three-dot ⋮ menu, top-right of Chrome.
2
Tap "Install app"
Some phones show "Add to Home screen." Same thing.
3
Confirm "Install"
Greenside lands in your app drawer and on your home screen.
Opened from Instagram or TikTok? Those in-app browsers can't add to your home screen. Tap the ⋯ (or "Open in…") and choose Safari or Chrome first, then follow the steps.