strongboxsafe.com
Strongbox is a password manager for iPhone, iPad and Mac built on KeePass-compatible formats. Data can be stored locally, synced through cloud storage providers, or kept on a personal server via WebDAV or SFTP. Features include Face ID and Touch ID unlock, YubiKey support, password auditing, automated backups, TOTP codes, and Markdown notes. A free tier exists, with yearly, monthly and lifetime purchase options.