Long-press an empty area of your home screen, tap Edit, then Add Widget, and find Measure Me Dis. There are three: a converter you can tap, your last conversion, and a card of conversions worth knowing.
Tap them directly on the widget. To change the number, long-press the widget and choose Edit Widget — widgets cannot show a keyboard, so the value is set there or nudged with the − and + buttons.
Heights read better in feet and inches. Tap the in chip and you will get plain inches however large the number.
Open the app, tap Remove ads, then Restore purchase. Purchases are tied to your Apple Account, so this works on any device signed in to it.
The trial covers the widgets and the colour themes for seven days. Conversions are free forever and are not affected.
Yes. Tap the palette button, then switch off Show the commentary.
Please tell us the exact numbers and units — we would rather fix it than have you doubt it.