Works for Kopo Mail whether or not it has its own passcode. No download needed.
Touch and hold Kopo Mail's icon, tap Require Face ID, then confirm. On iOS 18 and later that puts Kopo Mail behind Face ID, Touch ID or your passcode; choose Hide and Require Face ID instead to move it into App Library's Hidden folder as well.
Lock Kopo Mail with Face ID
- Find Kopo Mail on your Home Screen or in App Library.
- Touch and hold the icon until the quick-actions menu opens.
- Tap Require Face ID (or Require Touch ID / Require Passcode, depending on your iPhone).
- Tap Require Face ID again to confirm. Kopo Mail now asks for authentication every time it opens.
To test it, close Kopo Mail from the App Switcher and open it again. You should see the Face ID prompt before any content appears.
Hide Kopo Mail in App Library
- Touch and hold Kopo Mail's icon and tap Require Face ID.
- Choose Hide and Require Face ID instead of Require Face ID.
- Confirm. The icon leaves your Home Screen and moves to the Hidden folder at the bottom of App Library.
- To open it later, swipe to App Library, tap Hidden and authenticate.
Hiding also locks the app. To undo either, touch and hold the icon again and choose Don't Require Face ID.
Why lock Kopo Mail?
Kopo Mail is a secure email app, the kind of app that tends to hold personal information you would not want on screen if someone borrows your unlocked phone. Email apps see every message and contact. Third-party mail clients may route mail through their own servers to offer features like push or AI summaries.
Business apps often handle other people's data — clients, colleagues and customers — so what they collect can affect more than you.
A lock answers one question — who can open the app on this iPhone. It does not change what Kopo Mail sends to its developer; for that, see Kopo Mail's full privacy report.
What the lock does and does not do
It does
- Ask for Face ID, Touch ID or passcode every time Kopo Mail opens
- Hide message previews in notifications
- Keep Kopo Mail's content out of Spotlight and Siri suggestions
- With Hide, remove the icon from the Home Screen
It does not
- Stop someone who knows your passcode
- Encrypt or change how Kopo Mail stores data
- Sync to your iPad or other devices
- Remove Kopo Mail from purchase history or Screen Time reports
Don't see Require Face ID?
- Update to iOS 18 or later in Settings › General › Software Update.
- Make sure a passcode is set in Settings › Face ID & Passcode; the lock needs one.
- Some Apple apps (Settings, Calculator, Camera, Maps, Find My, Clock) cannot be locked or hidden.
- If your iPhone is managed by work or school, the option may be restricted.
Other settings worth checking for Kopo Mail
Tracking
Settings › Privacy & Security › Tracking. If “Allow Apps to Request to Track” is off, apps cannot ask, and they are told to treat you as having declined. You can also turn it off for this app alone.
Notifications
Settings › Notifications › Kopo Mail › Show Previews: When Unlocked keeps message and account details off the Lock Screen.
Kopo Mail's full privacy label
None declared
None declared
Lock these apps too
After you lock Kopo Mail
Done. You have applied every control the label points to.
FAQ
Does Kopo Mail have its own passcode?
What happens to Kopo Mail's notifications when it is locked?
Can someone who knows my passcode open a locked app?
Is a locked Kopo Mail encrypted?
Why can't I see the Require Face ID option?
Does hiding Kopo Mail remove it from my purchase history?
Is Kopo Mail safe? Full privacy report →Does Kopo Mail track you? →Lock an app: A–Z →All business apps →