Below are the lists of some security oriented mobile applications
Brave-Private Web Browser
Brave Browser is a lightning fast, secure and private browser with AdBlock and pop-up blocker. Privately browse the internet without being tracked by ads.
Manage, store, secure, and share unlimited passwords across unlimited devices from anywhere. Bitwarden delivers open source password management solutions to everyone, whether at home, at work, or on the go.
A VPN secures the private network, using encryption and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted. This type of network is designed to provide a secure, encrypted tunnel through which a remote user can transmit data with the company network.
Users can send one-to-one and group messages, which can include files, voice notes, images and videos. It can also be used to make one-to-one and group voice and video calls. Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.
Tor Browser is the only official mobile browser supported by the Tor Project, developers of the world’s strongest tool for privacy and freedom online.
iOS: As of now TOR is unavailable on iOS but it is available on MacOS
Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.
Download No-Root Firewall
Helps you monitor your apps and its daily internet usage(mobile data and Wifi)