For added security you can enable a passcode (and Touch ID for some devices/versions) to access your stored passwords.

Enable Passcode for Logins

1. Tap the menu button at the bottom of the screen (the menu will be at the top right if you're using an iPad):
   

2. Tap Settings in the menu panel.
3. Scroll down to Privacy and tap Passcode for Logins.
4. Tap Turn Passcode On.
5. Enter a six-digit passcode of your choice.
6. Select Change Passcode to change your selected passcode.
7. Tap Require Passcode to change the frequency of the required passcode, the default is "Immediately" but can vary from "After 1 minute" to "After 1 hour".

Enable Touch ID

For added security, Firefox works with Apple's Touch ID to let you manage your passwords with your fingerprint or passcode.

1. Tap the menu button at the bottom of the screen (the menu will be at the top right if you're using an iPad):
   

2. Tap Settings in the menu panel.
3. Scroll down to Privacy and tap Touch ID & Passcode.
4. To use your fingerprint to access your saved logins instead of having to enter a passcode, tap the switch next to Use Touch ID to turn it on.

   

5. The switch will turn blue when it's activated.