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How to Lock Startel Secure Messaging Plus on iPhone

iOS 18 Face ID lock and Hidden folder · Startel Coporation · checked November 2026

Time needed
4 taps
Needs iOS 18 or later

Works for Startel Secure Messaging Plus whether or not it has its own passcode. No download needed.

Short answer

Touch and hold Startel Secure Messaging Plus' icon, tap Require Face ID, then confirm. On iOS 18 and later that puts Startel Secure Messaging Plus 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 Startel Secure Messaging Plus with Face ID

  1. Find Startel Secure Messaging Plus on your Home Screen or in App Library.
  2. Touch and hold the icon until the quick-actions menu opens.
  3. Tap Require Face ID (or Require Touch ID / Require Passcode, depending on your iPhone).
  4. Tap Require Face ID again to confirm. Startel Secure Messaging Plus now asks for authentication every time it opens.

To test it, close Startel Secure Messaging Plus from the App Switcher and open it again. You should see the Face ID prompt before any content appears.

Hide Startel Secure Messaging Plus in App Library

  1. Touch and hold Startel Secure Messaging Plus' icon and tap Require Face ID.
  2. Choose Hide and Require Face ID instead of Require Face ID.
  3. Confirm. The icon leaves your Home Screen and moves to the Hidden folder at the bottom of App Library.
  4. 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 Startel Secure Messaging Plus?

Startel Secure Messaging Plus is a secure messenger, the kind of app that tends to hold personal information you would not want on screen if someone borrows your unlocked phone. Messengers see who you talk to as well as what you say. Even with end-to-end encrypted content, contact lists and metadata can be collected and linked to you.

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 Startel Secure Messaging Plus sends to its developer; for that, see Startel Secure Messaging Plus' full privacy report.

What the lock does and does not do

It does

  • Ask for Face ID, Touch ID or passcode every time Startel Secure Messaging Plus opens
  • Hide message previews in notifications
  • Keep Startel Secure Messaging Plus' 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 Startel Secure Messaging Plus stores data
  • Sync to your iPad or other devices
  • Remove Startel Secure Messaging Plus 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 Startel Secure Messaging Plus

  1. Contacts

    Settings › Privacy & Security › Contacts. Limited Access shares only the people you select instead of your whole address book.

  2. Microphone & camera

    Settings › Privacy & Security › Microphone and Camera. The orange and green dots in the status bar show when either is in use.

  3. Notifications

    Settings › Notifications › Startel Secure Messaging Plus › Show Previews: When Unlocked keeps message and account details off the Lock Screen.

Startel Secure Messaging Plus' full privacy label

App Privacy label Developer-reported · checked November 1, 2026
Data Not Collected

The developer states that no data is collected from this app.

Is Startel Secure Messaging Plus safe? Every data type explained →

Lock these apps too

After you lock Startel Secure Messaging Plus

Tick what you have done
Tick each step as you do it on your iPhone.

Done. You have applied every control the label points to.

FAQ

Does Startel Secure Messaging Plus have its own passcode?
Some apps offer an in-app PIN or biometric lock in their settings. The App Store privacy label does not say whether Startel Secure Messaging Plus does; the iOS 18 lock works regardless.
What happens to Startel Secure Messaging Plus' notifications when it is locked?
Locked and hidden apps do not show message previews or content in notifications, and their content does not appear in Spotlight search or Siri suggestions.
Can someone who knows my passcode open a locked app?
Yes. If Face ID fails, the lock falls back to your device passcode. Keep the passcode private if the lock matters to you.
Is a locked Startel Secure Messaging Plus encrypted?
The lock controls who can open the app on this iPhone. It does not change how the app stores or syncs data. Encryption depends on the developer and on your device passcode.
Why can't I see the Require Face ID option?
You need iOS 18 or later. Some Apple apps such as Settings, Calculator, Maps and Camera cannot be locked or hidden.
Does hiding Startel Secure Messaging Plus remove it from my purchase history?
No. Hidden apps still appear in App Store purchases and in Settings › Apps, and Screen Time reports still include them.

Is Startel Secure Messaging Plus safe? Full privacy report →Does Startel Secure Messaging Plus track you? →Lock an app: A–Z →All business apps →

Facts on this page come from Apple: lock or hide an app on iPhone, as reported by the developer. Checked November 2026. How we collect data · Report a correction