When comparing GPG / PGP vs Vault, the Slant community recommends Vault for most people. In the question“What are the best tools for managing secrets (tokens, keys, passwords)?” Vault is ranked 8th while GPG / PGP is ranked 13th. The most important reason people chose Vault is:
For users needing more than source control, Vault Professional offers fully integrated work item tracking in a powerful, yet easy to use interface.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can share secrets among the trusted team
It's possible to encrypt with multiple public keys with very little overhead. So anybody who is in possession of one of the keys on the trusted list can decrypt the secrets.
Pro Complete control over secrets
No unencrypted data ever leaves your possession.
Pro Fully integrated work item tracking
For users needing more than source control, Vault Professional offers fully integrated work item tracking in a powerful, yet easy to use interface.