This file works entirely offline — no internet needed after saving.
1
AirDrop or email the .html file to your iPhone/iPad
2
Tap the file — it opens in Safari (use Safari, not Chrome)
3
Tap the Share button at the bottom
4
Scroll down → tap "Add to Home Screen"
5
Name it and tap Add — launches like an app, works offline
⚠ Must open in Safari — Chrome on iOS cannot add to Home Screen from local files.