Situation

I own a previous edition of Antidote Mobile and I would like to reinstall it on my device.

Solution

1. Open the App Store app.
2. Tap the sign-in button or your photo at the top of the screen.
3. Tap Purchased > My purchases.
4. Look up Antidote in the list.
5. Download Antidote by tapping the blue download cloud on the right.

For more details see this page on the Apple support website.