@trooper here’s a few apps I’ve been using on my iOS devices.
Email:
ProtonMail
VPN:
ProtonVPN or NordVPN
File Encryption:
Cryptomator or Boxcryptor
Password Manager:
1Password (with a local vault)
Blocker:
AdGuard Pro (Github Project)
Browser:
FireFox Focus and Onion Browser (Tor)
Online File Storage:
Tresorit
Messaging:
iMessage and Signal
Search Engine:
DuckDuckGo
Hope that helps!