If the iOS app is not installing onto your iOS devices, Windows Defender may be preventing the iOS app from installing. Please check if you have a version number associated with your station. If not and you see iOS App N/A, you will need to add an exclusion for Phonecheck to your Windows Defender.
Accessing Windows Security on Microsoft Windows 10 and adding PhoneCheck to the Exclusions.
Step 1: Select Start > Settings > Update & Security > Windows Security, Then select Virus & threat protection.
Step 2: Select Manage settings under Virus & threat protection settings.
Step 3: Scroll down to Exclusions and select Add or remove exclusions. Select Add an exclusion, select Folder.
Step 4: Access your Run command box. You may type in Run in the Windows Search field or press and hold the Windows Key + R.
Step 5: Type in %temp% in the Run Window and press enter. This will provide access to the folders we will be working with. Click on the Local Folder to access PhoneCheck.
Step6: Select your PhoneCheck folder and then copy your local PhoneCheck folder path. Example: C:\Users\Current User \AppData\Local\PhoneCheck
Step 7: Return to your Windows Security Exclusions Window and select Add an exclusion. Select Folder and then paste your PhoneCheck folder path in the Folder field, click on Select Folder.
Step 8: Confirm you have successfully added the PhoneCheck Folder to the Exclusions.
Step 9: Launch PhoneCheck and confirm you now have a version number associated with your iOS Apps.
All steps are shown in the video below.