Apps like OpenKeychain: Easy PGP

Here are some great alternatives to OpenKeychain: Easy PGP by Hardware Security SDK :
K-9 Mail
K-9 Mail
★3.5
Mailfence secure private email
Mailfence secure private email
★3.8
Conversations (Jabber / XMPP)
Conversations (Jabber / XMPP)
★4.2
ADAMANT Messenger
ADAMANT Messenger
★4.2
GSTelecom by G999 Blockchain
GSTelecom by G999 Blockchain
★4.6
One Time Pad
One Time Pad
★4.0
AES 256: Encrypt & Decrypt
AES 256: Encrypt & Decrypt
★4.3
FlowCrypt Encrypted Email
FlowCrypt Encrypted Email
★4.0
Verifyle
Verifyle
★4.3
Encrypt It - MkIII
Encrypt It - MkIII
★5.0
BlueWallet Bitcoin Wallet
BlueWallet Bitcoin Wallet
★3.9
Standard Notes
Standard Notes
★4.6
Vault
Vault
★5.0
Koofr Vault
Koofr Vault
★3.9
EgoSecure Encryption Anywhere
EgoSecure Encryption Anywhere
★3.6
Cryptomator
Cryptomator
★3.8