Add Fact Family Flashcards to your device for free. It works offline and opens like a normal app — no app store needed.
iPhone / iPad (Safari): tap the Share button, then Add to Home Screen.
Android (Chrome): tap the ⋮ menu, then Install app (or Add to Home screen).
Computer (Chrome / Edge): click the install icon in the address bar, or open the ⋮ menu and choose Install.