Club IM
Version 2.5.0.24
After install: Settings → General → VPN & Device Management → trust the developer.
Tap install below. It only takes a minute — then trust the certificate in Settings and you're in.
After install: Settings → General → VPN & Device Management → trust the developer.
Hit the Install button above. iOS will ask to download the app — confirm it.
Open Settings → General → VPN & Device Management and tap Trust on the enterprise certificate.
The icon appears on your home screen. Launch it and you're ready to go.