Platforms / iOS /
Instant Messaging
Prefer
ChatSecure
XMPP client for iOS.
Signal
Metadata-resistant, user-friendly messenger with audio/video calls (mobile only).
Avoid
Discord
Facebook Messenger
Google Hangouts
LINE
Skype
Snapchat
Telegram
Tencent QQ
Viber Messenger
WeChat
WhatsApp
iOS AuthenticationBookmark SyncCollaborationDNSEmailEnterprise SuiteFile Storage & SyncFinance
Instant Messaging
Media PublishingMesh NetworksNewsProductivitySocial NetworksVideo & VoiceVPNWeb BrowsersWeb SearchWorld Maps