How can I lock my photos on my iPad?

How can I lock my photos on my iPad?
Part 2: How to Lock Photos on iPhone

Open Notes app on your device.
Create a new note and tap the camera icon on the keyboard menu.
Now choose the photos that you need to lock and tap on “Add”.
Now select the three dots icon from the upper right corner.
Choose “Lock” and set a password to protect the photos.

Part 2: How to Lock Photos on iPhone
  1. Open Notes app on your device.
  2. Create a new note and tap the camera icon on the keyboard menu.
  3. Now choose the photos that you need to lock and tap on “Add”.
  4. Now select the three dots icon from the upper right corner.
  5. Choose “Lock” and set a password to protect the photos.